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Number of items: 156.

Sirkeli, Vadim P. and Yilmazoglu, Oktay and Hajo, Ahid S. and Nedeoglo, Natalia D. and Nedeoglo, Dmitrii D. and Preu, Sascha and Küppers, Franko and Hartnagel, Hans L. (2018):
Enhanced Responsivity of ZnSe‐Based Metal–Semiconductor–Metal Near‐Ultraviolet Photodetector via Impact Ionization.
In: physica status solidi (RRL) – Rapid Research Letters, p. 1700418, 12, (2), DOI: 10.1002/pssr.201700418,
[Online-Edition: https://onlinelibrary.wiley.com/doi/abs/10.1002/pssr.2017004...],
[Article]

Sirkeli, Vadim P. and Yilmazoglu, Oktay and Preu, Sascha and Küppers, Franko and Hartnagel, Hans L. (2018):
Proposal for a Monolithic Broadband Terahertz Quantum Cascade Laser Array Tailored to Detection of Explosive Materials.
In: Sensor Letters, 16, (1), DOI: 10.1166/sl.2018.3919,
[Article]

Sirkeli, V. P. and Yilmazoglu, Oktay and Ong, D. S. and Preu, Sascha and Küppers, F. and Hartnagel, Hans L. (2017):
Resonant Tunneling and Quantum Cascading for Optimum Room-Temperature Generation of THz Signals.
In: IEEE Transactions on Electron Devices, IEEE, pp. 3482-3488, 64, (8), ISSN 1557-9646,
DOI: 10.1109/TED.2017.2718541,
[Online-Edition: http://ieeexplore.ieee.org/abstract/document/7968341/],
[Article]

Sirkeli, Vadim P. and Yilmazoglu, Oktay and Al-Daffaie, Shihab and Preu, Sascha and Küppers, Franko and Hartnagel, Hans L. (2017):
1.33 THz room-temperature quantum cascade lasers based on ZnMgSe/ZnSe.
In: Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2017 42nd International Conference on, [Conference or Workshop Item]

Sirkeli, Vadim P. and Yilmazoglu, Oktay and Al-Daffaie, Shihab and Oprea, Ion and Ong, Duu Sheng and Küppers, Franko and Hartnagel, Hans L. (2017):
Resonant tunneling transport in Zn x Be 1-x Se/ZnSe/Zn y Be 1-y Se asymmetric quantum structures.
In: Nanotechnology VIII, 10248, [Conference or Workshop Item]

Sirkeli, Vadim P. and Yilmazoglu, Oktay and Al-Daffaie, Shihab and Oprea, Ion and Ong, Duu Sheng and Küppers, Franko and Hartnagel, Hans L. (2016):
Efficiency enhancement of InGaN/GaN light-emitting diodes with pin-doped GaN quantum barrier.
In: Journal of Physics D: Applied Physics, IOP Publishing, pp. 035108, 50, (3), [Article]

Sirkeli, Vadim P. and Yilmazoglu, Oktay and Küppers, Franko and Hartnagel, Hans L. (2015):
Effect of p-NiO and n-ZnSe interlayers on the efficiency of p-GaN/n-ZnO light-emitting diode structures.
In: Semiconductor Science and Technology, pp. 1-19, 30, (065005), ISSN 0268-1242,
[Online-Edition: http://dx.doi.org/10.1088/0268-1242/30/6/065005],
[Article]

Sirkeli, Vadim P. and Yilmazoglu, Oktay and Küppers, Franko and Hartnagel, Hans L. (2015):
Effect of p-NiO Interlayer on Internal Quantum Efficiency of p-GaN/n-ZnO Light-Emitting Devices.
In: Journal of Nanoelectronics and Optoelectronics, pp. 811-818, 9, (6), [Online-Edition: http://dx.doi.org/10.1166/jno.2014.1687],
[Article]

Hartnagel, Hans L. and Al-Daffaie, Shihab (2015):
Graphene Plasmonics for the Enhancement of THz-Signal Transfer.
In: The 39th European Workshop on Compound Semiconductor Devices and Integrated Circuits, [Conference or Workshop Item]

Yilmazoglu, Oktay and Evtukh, Anatoli and Al-Daffaie, Shihab and Biethan, Jens-Peter and Pavlidis, Dimitris and Litovchenko, Vladimir and Hartnagel, Hans L. (2014):
Electron field emission from nanostructured semiconductors under photo illumination.
In: Turkish Journal of Physics, The Scientific and Technological Research Council of Turkey, pp. 543-562, 38, (3), [Article]

Hartnagel, Hans L. and Preu, Sascha (2014):
Graphene THz Circuitry by Nano-Constriction Designs.
In: WOCSDICE 2014, [Conference or Workshop Item]

Yilmazoglu, Oktay and Al-Daffaie, Shihab and Hartnagel, Hans L. and Joshi, R. and Yadav, S. and Schneider, J. J. and Nick, C. and Thielemann, C. (2012):
CNT photocathodes based on GaAs high-frequency photoswitches.
In: Vacuum Nanoelectronics Conference (IVNC), 2012 25th International, [Conference or Workshop Item]

Koops, Hans W. P. and Al-Daffaie, Shihab and Hartnagel, Hans L. and Rudzinski, A. (2012):
Development of a miniaturized Dynatron THz-Oscillator with a FEBIP system.
In: Vacuum Nanoelectronics Conference (IVNC), 2012 25th International, [Conference or Workshop Item]

Koops, Hans W. P. and Rudzinski, Axel and Nouvertné, Frank and Al-Daffaie, Shihab and Hartnagel, Hans L. (2012):
Portable 0.1 To 10 THz Radiation Source With Free Electron Beams.
In: 3rd ITG Int. Vacuum Electronics Workshop Physikzentrum Bad Honnef , Germany, [Conference or Workshop Item]

Koops, Hans W. P. and Al-Daffaie, Shihab and Hartnagel, Hans L. (2012):
Portable source with free electron beams for 0.1 to 10 THZ.
In: Proceedings of WOCSDICE-EXMATEC, [Article]

Al-Daffaie, Shihab and Acedo, Paplo and Hartnagel, Hans L. (2012):
Simulation of a CW THz camera scheme.
In: Proceedings of WOCSDICE-EXMATEC, [Article]

Dragoman, M. and Müller, A. and Neculoiu, D. and Konstantinidis, G. and Grenier, K. and Dubuc, D. and Bary, L. and Plana, R. and Fourn, E. and Flahaut, E. and Hartnagel, Hans L. (2007):
Carbon nanotubes-based microwave and millimeter wave sensors.
In: European Microwave Week 2007, Munich, 8-12 Oct : proceedings, [Conference or Workshop Item]

Schoenherr, Daniel and Sydlo, Cezary and Goebel, Thorsten and Feiginov, Michael N. and Hartnagel, Hans L. and Meissner, Peter and Bach, H.-G. and Kunkel, R. and Mekonnen, G. G. and Zhang, R. (2007):
Characterization of THz emitter based on a high-speed p-i-n photodiode.
Piscataway, NJ, IEEE Operations Center, In: [Elektronische Ressource] IRMMW-THz 2007 : conference digest of the Joint 32nd International Conference on Infrared and Millimeter Waves, and 15th International Conference on Terahertz Electronics : City Hall, Cardiff, UK, 3rd - 7rd September, 2007.- Pisc, [Conference or Workshop Item]

Cojocari, Oleg and Oprea, I. and Sydlo, Cezary and Zimmermann, R. and Walber, A. and Henneberger, R. and Hartnagel, Hans L. (2007):
Design and characterization of Schottky structures for THz-applications.
In: Frequenz, pp. 172-177, 61, [Article]

Litovchenko, V. and Evtukh, A. and Semenenko, M. and Grigoriev, A. and Yilmazoglu, Oktay and Hartnagel, Hans L. and Sirbu, L. and Tiginyanu, I. M. and Ursaki, V. V. (2007):
Electron field emission from narrow band gap semiconductors (InAs).
In: Semiconductor science and technology, pp. 1092-1096, 22, [Article]

Vicente, C. and Wolk, D. and Hartnagel, Hans L. and Gimeno, B. and Boria, V. E. and Raboso, D. (2007):
Experimental analysis of passive intermodulation at waveguide flange bolted connections.
In: IEEE transactions on microwave theory and techniques, pp. 1018-1028, Vol. 5, [Article]

Nicolae, B. and Chowdhury, D. Roy and Hartnagel, Hans L. (2007):
Experimental and modelled configuration of double-barrier HBV based on Al0.7Ga0.3As/GaAs.
In: 14th International Workshop on the Physics of Semiconductor Devices, Date: DEC 17-20, 2007 Indian Inst Technol Mumbai INDIA.- S. 351-354, [Conference or Workshop Item]

Ong, D. S. and Hartnagel, Hans L. (2007):
Generation of THz signals based on quasi-ballistic electron reflections in double-heterojunction structures.
In: Semiconductor science and technology, pp. 981-987, 22, [Article]

Halbritter, Hubert and Sydlo, Cezary and Koegel, Benjamin and Riemenschneider, Frank and Hartnagel, Hans L. and Meissner, Peter (2007):
Impact of micromechanics on the linewidth and chirp performance of MEMS-VCSELs.
In: IEEE/LEOS journal of selected topics on quantum electronics, pp. 367-373, 13, [Article]

Sigmund, Jochen and Zogal, Karolina and Lampin, J. F. and Ivannikov, V. and Sydlo, Cezary and Feiginov, Michael N. and Pavlidis, Dimitris and Meissner, Peter and Hartnagel, Hans L. (2007):
Low-temperature grown GaAsSb with sub-picosecond photocarrier lifetime for continuous-wave terahertz applications.
In: Proceedings of Topical Workshop on Heterostructure Microelectronic (TWHM), Kisarazu, Chiba, Japan, Aug. 2007, [Conference or Workshop Item]

Neculoiu, D. and Konstantinidis, G. and Müller, A. and Kostopoulos, A. and Vasilache, D. and Mutamba, Kabula and Sydlo, Cezary and Hartnagel, Hans L. and Bary, L. and Plana, R. (2007):
Microwave FBAR structures fabricated using micromachined GaN membranes.
In: Proceedings of the 2007 IEEE MTT-S International Microwave Symposium, Honolulu, Hawai, June 3-8, 2007, [Conference or Workshop Item]

Kunkel, R. and Beling, A. and Bach, H.-G. and Mekonnen, G. G. and Schmidt, D. and Sydlo, Cezary and Schoenherr, Daniel and Feiginov, Michael N. and Hartnagel, Hans L. and Meissner, Peter (2007):
Monolithic integration of a waveguide-integrated p-i-n-photodiode and a planar antenna for THz applications.
In: Optical Terahertz Science and Topical Meeting (OTST 2007), Orlando, Florida, USA, March 2007, [Conference or Workshop Item]

Dragoman, M. and Takacs, A. and Muller, A. A. and Hartnagel, Hans L. and Plana, R. and Grenier, K. and Dubic, D. (2007):
Nanoelectromechanical switches based on carbon nanotubes for microwave and millimetre waves.
In: Applied physics letters, pp. 113102-1 - 113102-3, 90, [Article]

Ong, D. S. and Hartnagel, Hans L. (2007):
Novel concept for THz signals generations in heterostructures.
In: Physica status solidi / Rapid research letters, pp. 150-152, 1, [Article]

Vicente, C. and Hartnagel, Hans L. (2007):
Passive intermodulation at junctions.
In: Proceedings of the 2007 IEEE MTT-S International Microwave Symposium, Honolulu, Hawai, June 3-8, 2007, [Conference or Workshop Item]

Yilmazoglu, Oktay and Hartnagel, Hans L. and Pavlidis, Dimitris and Evtukh, A. and Litovchenko, V. and Semenenko, M. and Gorbanyuk, T. and Grigoriev, A. (2007):
Pecularities of electron field emission from nanostructured GaN and AlGaN.
In: Proceedings of the 3rd Ukrainian Conference on Semiconductor Physics, Odessa, Ukraina, 17-22 June 2007.- S. 120, [Conference or Workshop Item]

Nicolae, B. and Chowdhury, D. Roy and Pop, G. and Hartnagel, Hans L. and Pasquet, D. (2007):
The Planar Approach to a Al0.12Ga0.88N/GaN Based Double Barrier HBV.
In: Frequenz, pp. 247-249, 61, [Article]

Dragoman, M. and Cismaru, A. and Müller, A. A. and Dragoman, D. and Hartnagel, Hans L. and Plana, R. (2007):
RF NEMS-carbon-nanotube based nanoelectromechanical systems for microwave and millimeter wave applications.
29. June 2007 ; [proceedings of the 8th International Symposium on RF MEMS and RF Microsystems] / ed. by, Lluís Pradell ...- 1. ed.- Barcelona : CIMNE, In: MEMSWAVE 2007 : Barcelona, 26.- 29. June 2007 ; [proceedings of the 8th International Symposium on RF MEMS and RF Microsystems] / ed. by: Lluís Pradell ...- 1. ed.- Barcelona : CIMNE, 2007.-246 S.- ISBN: 978-84-96736-22-1, [Conference or Workshop Item]

Goebel, Thorsten and Schoenherr, Daniel and Sydlo, Cezary and Feiginov, Michael N. and Meissner, Peter and Hartnagel, Hans L. (2007):
Resonant metal gratings for THz material characterization.
Piscataway, NJ, IEEE Operations Center, In: [Elektronische Ressource] IRMMW-THz 2007 : conference digest of the Joint 32nd International Conference on Infrared and Millimeter Waves, and 15th International Conference on Terahertz Electronics : City Hall, Cardiff, UK, 3rd - 7rd September, 2007.- Pisc, [Conference or Workshop Item]

Nicolae, B. and Chowdhury, D. Roy and Hartnagel, Hans L. (2007):
S Parameter Measurements of Superlattice Heterostructure Barrier Junctions towards THz Varactors.
In: Frequenz, pp. 245-246, 61, [Article]

Cojocari, Oleg and Oprea, I. and Sydlo, Cezary and Zimmermann, R. and Walber, A. and Henneberger, R. and Hartnagel, Hans L. (2007):
THz Schottky diodes on epitaxial AIGaAs-membrane.
Piscataway, NJ, IEEE Operations Center, In: [Elektronische Ressource] IRMMW-THz 2007 : conference digest of the Joint 32nd International Conference on Infrared and Millimeter Waves, and 15th International Conference on Terahertz Electronics : City Hall, Cardiff, UK, 3rd - 7rd September, 2007.- Pisc, [Conference or Workshop Item]

Goebel, Thorsten and Schoenherr, Daniel and Feiginov, Michael N. and Meissner, Peter and Hartnagel, Hans L. (2007):
THz grating sensors for investigation of thin dielectric layers.
Piscataway, NJ, IEEE Service Center, In: 2007 European Conference on Lasers & Electro-Optics and the International Quantum Electronics Conference : [CLEO/Europe-IQEC 2007] ; Munich, Germany, 17 - 22 June 2007 / IEEE, [the Institute of Electrical and Electronics Engineers].- Piscataway, NJ : IEEE, [Conference or Workshop Item]

Ong, D. S. and Hartnagel, Hans L. (2007):
A new concept for THz frequency multipliers.
In: Proceedings of the 2007 Asia Pacific Microwave Conference, Bangkok, Thailand, Dec. 11-14, 2007.- S. 1703-1706, [Conference or Workshop Item]

Cojocari, Oleg and Hartnagel, Hans L. (2006):
Generalized model of the metal/n-GaN Schottky interface and improved performance by electrochemical Pt deposition.
In: Journal of Vacuum Science and Technology B, pp. 2544-2552, 24, [Article]

Halbritter, Hubert and Sydlo, Cezary and Kögel, Benjamin and Riemenschneider, F. and Jatta, Sandro and Hartnagel, Hans L. and Meissner, Peter (2006):
Micromechanic effects and their impact on the characteristics of MEMS-tunable lasers.
Piscataway, NJ, IEEE Service Center, In: IEEE/LEOS International Conference on Optical MEMS and Their Applications, 2006 : 21 - 24 Aug. 2006, [Big Sky, MT]. - Piscataway, NJ : IEEE Service Center, 2006 ISBN: 0-7803-9561-1, [Conference or Workshop Item]

Mutamba, K. and Yilmazoglu, Oktay and Cojocari, Oleg and Sydlo, Cezary and Pavlidis, Dimitris and Hartnagel, Hans L. (2006):
Technology of Wide-Bandgap Diode Struvtures for High Frequency Operation.
Piscataway, NJ, IEEE Operations Center, In: International Semiconductor Conference, 2006 : 29th edition ; September 27 - 29, 2006, Sinaia, Romania ; CAS 2006 / organized by National Institute for Research and Development in Microtechnologies (IMT-Bucharest). - Piscataway, NJ : IEEE Operations Cente, [Conference or Workshop Item]

Mutamba, K. and Sydlo, C. and Yilmazoglu, O. and Neculoiu, D. and Konstantinidis, G. and Georgakilas, A. and Chatzopoulos, Z. and Müller, A. and Hartnagel, Hans L. (2006):
A new compound semiconductor technology for advanced RF MEMS applications.
In: MMS 2006 : Mediterranean Microwave Symposium ; September 18 - 21, 2006, Genova, Italy; [proceedings] / IEEE .... - 2006, [Conference or Workshop Item]

Sydlo, Cezary and Kögel, Benjamin and Cojocari, Oleg and Feiginov, Michael N. and Hartnagel, Hans L. and Meissner, Peter (2005):
Broadband power detector using a circularly-toothed planar logarithmic-periodic antenna.
In: Conference proceedings ANTEM 2005, 11th International Symposium on Antenna Technology and Applied Electromagnetics : Palais du Grand Large, Saint-Malo, France, June 15th - 17th, 2005 / Department of Electrical and Computer Engineering, [University of Mani, [Conference or Workshop Item]

Cojocari, Oleg and Biber, S. and Mottet, Bastian and Rodriguez-Girones Arboli, Manuel and Hartnagel, Hans L. and Schmidt, L.-P. (2005):
DC and IF-noise performance optimisation of GaAs Schottky diodes for THz applications.
In: Semiconductor science and technology, pp. 23-32, 20, [Article]

Cojocari, Oleg and Sydlo, Cezary and Hartnagel, Hans L. and Tiginyanu, I. M. (2005):
Quasi-vertical Schottky-structures for THZ-Applications.
In: Proceedings of the 4th International Conference on Microelectronics and Computer Science (ICMCSı05), September 15-17, 2005, Chisinau, Moldova, pp. 219-225, [Conference or Workshop Item]

Mottet, B. and Sydlo, Cezary and Mutamba, and Cojocari, Oleg and Hartnagel, Hans L. (2005):
RF and thermal design of compound semiconductor devices using MEMS approach.
In: Frequenz, pp. 131-136, 59, [Article]

Sigmund, Jochen and Sydlo, Cezary and Hartnagel, Hans L. and Benker, Nathalie and Fuess, Hartmut and Rutz, F. and Kleine-Ostmann, T. and Koch, M. (2005):
Structure investigation of low-temperature-grown GaAsSb : a material for photoconductive terahertz antennas.
In: Applied physics letters, pp. 25103-252105, 87, [Article]

Vincze, A. and Kovac, J. and Srnanek, R. and Sigmund, Jochen and Hartnagel, Hans L. and Irmer, G. (2004):
Annealing behaviour of low temperature grown GaAs investigated by raman spectroscopy.
In: Fundamental problems of opto- and microelectronics : fourth Asia-Pacific conference ; APCOM 2004 ; Khabarovsk, Russia, September 13 - 16, 2004 ; proceedings.- Khabarovsk, 2004.- 508 S., [Conference or Workshop Item]

Vincze, A. and Michalka, M. and Podskocova, J. and Sigmund, Jochen and Kovac, J. and Hartnagel, Hans L. (2004):
Annealing investigation of LT GaAs with AFM.
In: Fundamental problems of opto- and microelectronics : fourth Asia-Pacific conference ; APCOM 2004 ; Khabarovsk, Russia, September 13 -16, 2004 ; proceedings.- Khabarovsk, 2004.- 508 S., [Conference or Workshop Item]

Sydlo, Cezary and Kögel, Benjamin and Cojocari, Oleg and Hartnagel, Hans L. and Meissner, Peter (2004):
Characterisation of a circularly-toothed planar logarithmic-periodic antenna for broadband power detection.
In: Frequenz, pp. 207-210, 9/10, [Article]

Mendis, Rajind and Sydlo, Cezary and Sigmund, Jochen and Feiginov, Michael N. and Meissner, Peter and Hartnagel, Hans L. (2004):
Coherent generation and detection of continuous THz waves using two photomixers driven by laser diodes.
Piscataway, NJ, IEEE Operations Center, In: Conference digest of the 2004 Joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics : September 27 - October 1, 2004, University of Karlsruhe (TH), Karlsruhe, Germany / [sponsored b, [Conference or Workshop Item]

Mendis, R. and Sydlo, Cezary and Sigmund, Jochen and Feiginov, Michael N. and Meissner, Peter and Hartnagel, Hans L. (2004):
Continuous-wave terahertz system for spectroscopy and imaging.
In: Workshop on Compound Semiconductor Devices and Integrated Circuits <2004>: Proceedings ..., [Conference or Workshop Item]

Evtukh, A. A. and Hartnagel, Hans L. and Litovchenko, V. G. and Semenenko, M. O. and Yilmazoglu, Oktay (2004):
Enhancement of electron field emission stability by nitrogen-doped diamond-like carbon film coating.
In: Semiconductor science & technology, pp. 923-929, 19, [Article]

Cojocari, Oleg and Biber, S. and Mottet, Bastian and Hartnagel, Hans L. and Schmidt, L.-P. (2004):
GaAs Schottky diode fabrication for THz-frequency mixer applications.
In: Workshop on Compound Semiconductor Device and Integrated Circuits <28, 2004, Smolenice>: Proceedings WOCSDICE '04 ...- S. 121-122, [Conference or Workshop Item]

Handel, P. H. and Hartnagel, Hans L. and Sia, K. E. and Mishra, U. K. and York, R. (2004):
GaN HEMT geometry and piezoelectric quantum 1/f noise.
In: Workshop on Compound Semiconductor Device and Integrated Circuits <28, 2004, Smolenice>: Proceedings WOCSDICE '04 ...- S. 85-87, [Conference or Workshop Item]

Cojocari, Oleg and Popa, V. and Ursaki, V. V. and Tiginyanu, I. M. and Hartnagel, Hans L. and Daumiller, I. (2004):
GaN Schottky multiplier diodes prepared by electroplating : a study of passivation technology.
In: Semiconductor science and technology, pp. 1273-1279, 19, [Article]

Saglam, Mustafa and Irvine, A. C. and Hartnagel, Hans L. (2004):
Heterostructure barrier varactors on gold substrate.
In: European Workshop on Heterostructure Technology <13, 2004, Koutoulfari>: Proceedings HETECH '04, Oct. 3-6, 2004 ..., [Conference or Workshop Item]

Cojocari, Oleg and Biber, S. and Mottet, Bastian and Sydlo, Cezary and Hartnagel, Hans L. and Schmidt, L.-P. (2004):
IF-noise improvement of the GaAs Schottky diodes for THz-frequency mixer applications.
In: Conference proceedings / 12th European Gallium Arsenide and other Compound Semiconductors Application Symposium : Monday 11th & Tuesday 12th October 2004 ; [at European Microwave Week, Amsterdam, 11 - 15 October 2004] / [endorsed by IEEE; Electron Devices, [Conference or Workshop Item]

Zverev, V. N. and Muhammad, M. and Rahman, S. and Debray, P. and Saglam, Mustafa and Sigmund, Jochen and Hartnagel, Hans L. (2004):
Magnetotransport properties of two-dimensional electron gas in AlSb/InAs quantum well structures designed for device applications.
In: Journal of applied physics, pp. 6353-6356, 96, [Article]

Schür, J. and Biber, S. and Gumbmann, F. and Mottet, Bastian and Cojocari, Oleg and Schmidt, L.-P. and Hartnagel, Hans L. (2004):
Micromachined split-block Schottky-diode mixer for 600GHz.
M. Thumm ..., ed.- Piscataway, NJ, IEEE Operations Center, In: Conference digest of the 2004 joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics : September 27 - October 1, 2004, University of Karlsruhe (TH), Karlsruhe, Germany / [sponsored b, [Conference or Workshop Item]

Cojocari, Oleg and Popa, V. and Ursaki, V. V. and Tiginyanu, I. M. and Mutamba, Kabula and Saglam, Mustafa and Hartnagel, Hans L. (2004):
Micrometer-size GaN Schottky-diodes for MM-wave frequency multipliers.
M. Thumm ..., ed.- Piscataway, NJ, IEEE Operations Center, In: Conference digest of the 2004 joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics : September 27 - October 1, 2004, University of Karlsruhe (TH), Karlsruhe, Germany / [sponsored b, [Conference or Workshop Item]

Dehe, Alfons and Beilenhoff, Klaus and Fricke, Klaus and Klingbeil, Harald and Krozer, Viktor and Hartnagel, Hans L. (2004):
Microwave measurement.
In: Electrical measurements, signal processing and displays / ed. by John G. Webster. -, Atlanta, Ga., CRC Pr., pp. Chapt. 19, Sect. 1, [Book Section]

Vicente, C. and Mattes, M. and Cervello, A. and Wolk, D. and Mottet, Bastian and Hartnagel, Hans L. and Mosig, J. and Raboso, D. (2004):
Multipactor and corona discharge, prediction in rectangular waveguide based microwave components.
In: Filter Workshop : [International Workshop on Microwave Filters ; 13 - 15 September 2004, CNES, Toulouse, France / CNES, Centre National d'Etudes Spatiales. [Organized by CNES in collaboration with ESA].- Toulouse, 2004.-1 CD-ROM., [Conference or Workshop Item]

Vicente, C. and Mattes, M. and Cervello, A. and Wolk, D. and Mottet, Bastian and Hartnagel, Hans L. and Mosig, J. R. and Raboso, D. (2004):
Prediction of corona discharge : towards a simulation tool for arbitrary geometries.
In: JINA Symposium <2004, Nice>: Proceedings ... 8.-11.11.2004, [Conference or Workshop Item]

Litovchenko, V. G. and Evtukh, A. A. and Kryuchenko, Yu. and Goncharuk, N. M. and Yilmazoglu, Oktay and Mutamba, Kabula and Hartnagel, Hans L. and Pavlidis, Dimitris (2004):
Quantum size resonance tunneling in the field emission phenomenon.
In: Journal of applied physics, pp. 867-877, 96, [Article]

Altes, and Mutamba, Kabula and Heiderhoff, R. and Hartnagel, Hans L. and Balk, L. J. (2004):
Scanning near field thermal microscopy on a micromachined thin membrane.
In: Superlattices and microstructures, pp. 465-476, 35, [Article]

Mendis, R. and Sydlo, Cezary and Sigmund, Jochen and Feiginov, Michael N. and Meissner, Peter and Hartnagel, Hans L. (2004):
Tunable CW-THz system with LTG-GaAs based log-periodic emitter.
In: Terahertz Workshop <2004, Freiburg>: Proceedings, [Conference or Workshop Item]

Mendis, R. and Sydlo, Cezary and Sigmund, Jochen and Feiginov, Michael N. and Meissner, Peter and Hartnagel, Hans L. (2004):
Tunable CW-THz system with a log-periodic photoconductive emitter.
Piscataway, NJ, IEEE Operations Center, In: Conference digest of the 2004 Joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics : September 27 - October 1, 2004, University of Karlsruhe (TH), Karlsruhe, Germany / [sponsored b, [Conference or Workshop Item]

Mendis, R. and Sydlo, Cezary and Sigmund, Jochen and Feiginov, Michael N. and Meissner, Peter and Hartnagel, Hans L. (2004):
Tunable CW-THz system with a log-periodic photoconductive emitter.
In: Solid-state electronics, pp. 2041-2045, 48, [Article]

Mottet, Bastian and Sydlo, Cezary and Kögel, Benjamin and Robillard, Q. de and Cojocari, Oleg and Hartnagel, Hans L. (2004):
The impact of process optimisation on planar THz-Schottky device reliability.
Piscataway, NJ, IEEE Service Center, In: 2004 IEEE International Reliability Physics Symposium proceedings : 42nd annual ; Phoenix, Arizona, April 25 - 29, 2004 / sponsored by the IEEE Electron Devices Society and the IEEE Reliability Society.- Piscataway, NJ : IEEE Service Center, 2004.- XII, 7, [Conference or Workshop Item]

Cojocari, Oleg and Biber, S. and Rodriguez-Girones Arboli, Manuel and Mottet, Bastian and Marchand, L. and Schmidt, L.-P. and Hartnagel, Hans L. (2004):
A new structural approach for uniform sub-micrometer anode metallization of planar THz Schottky components.
In: Semiconductor science & technology, pp. 537-542, 19, [Article]

Biber, S. and Cojocari, Oleg and Rehm, G. and Mottet, Bastian and Schmidt, L.-P. and Hartnagel, Hans L. (2004):
A novel system for systematic microwave noise and DC characterization of THz Schottky diodes.
In: IEEE transactions on instrumentation and measurement, pp. 581-587, Vol. 5, [Article]

Hartnagel, Hans L. and Rodriguez-Gironés Arboli, Manuel (2003):
Current status and future prospects of semiconductor terahertz electronics.
In: IEICE transactions on electronics, pp. 1911-1915, Vol. E, [Article]

Saglam, Mustafa and Sigmund, Jochen and Hartnagel, Hans L. (2003):
Einflüsse der Deckschichten auf die Ladungsträgerkonzentration und Elektronenbeweglichkeit in MBE-gewachsenen AlSb/InAs-Quantentöpfe.
In: 18. DGKK-Arbeitstreffen, Bremen, 11.-12.12.2003, Tagungsband.- S. 43, [Conference or Workshop Item]

Hartnagel, Hans L. (2003):
Electron emission modulation effects in microsize structures.
In: Semiconductor physics, quantum electronics and optoelectronics, pp. 62-67, Vol. 6, [Article]

Evtukh, A. A. and Litovchenko, V. G. and Litvin, Yu. M. and Hartnagel, Hans L. and Yilmazoglu, Oktay (2003):
Field emission from SiOx films deposited on Si and GaAs tip arrays.
In: IVMC, International Vacuum Microelectronics Conference <16, 2003, Toyonaka>: Technical digest ...- Osaka, 2003.- 314 S.- ISBN 4-8181-9515-4, [Conference or Workshop Item]

Yilmazoglu, Oktay and Pavlidis, Dimitris and Litvin, Yu. M. and Hubbard, S. M. and Tiginyanu, I. M. and Mutamba, Kabula and Hartnagel, Hans L. and Litovchenko, V. G. and Evtukh, A. A. (2003):
Field emission from quantum size GaN structures.
In: Applied surface science, pp. 46-50, Vol. 2, [Article]

Saglam, Mustafa and Schumann, B. and Dure, K. and Domoto, C. and Megej, Alexander and Rodriguez-Gironés Arboli, Manuel and Müller, J. and Judaschke, R. and Hartnagel, Hans L. (2003):
High performance 450 GHz GaAs-based heterostructure barrier varactor tripler.
In: IEEE electron device letters, pp. 138-140, 24, [Article]

Miao, Jianmin and Hartnagel, Hans L. (2003):
High-energy ion implantation : an alternative technology for micromachining 3-dimensional GaAs structures.
Ohne Verlag / Selbstverlag, [Book]

Saglam, Mustafa and Mutamba, Kabula and Megej, Alexander and Sydlo, Cezary and Hartnagel, Hans L. and Daumiller, I. (2003):
Influence of polarization chages in Al 0.4 Ga 0.6 N/GaN barrier varactors.
In: Applied physics letters, pp. 227-229, Vol. 8, [Article]

Sigmund, Jochen and Karova, K. and Miehe, Gerhard and Saglam, Mustafa and Hartnagel, Hans L. and Fuess, Hartmut (2003):
Investigation of a growth interruption under an As flux at AlSb/InAs interfaces with InSb bonds.
In: Journal of crystal growth, pp. 526-531, [Article]

Valakh, M. Ya. and Litovchenko, V. G. and Strelchuk, V. V. and Hartnagel, Hans L. and Sigmund, Jochen (2003):
Manifestation of the intersubband plasmon-phonon excitations and the pecularities of interfaces in the Raman spectra of InAs/AlSb quantum well structures.
Moskva, Nauka [u.a.], In: International Workshop Nanophotonics <2003, Niznij Novgorod>: Proceedings ... / red. V. B. Smagin.- Moskva: Nauka [u.a.], 2003.- 136 S., [Conference or Workshop Item]

Litovchenko, V. G. and Evtukh, A. A. and Litvin, Yu. M. and Goncharuk, N. M. and Hartnagel, Hans L. and Yilmazoglu, Oktay and Pavlidis, Dimitris (2003):
Pecularities of the electron field emission from quantum-size structures.
In: Applied surface science, pp. 160-168, Vol. 2, [Article]

Ensling, David and Hunger, Ralf and Kraft, Daniel and Mayer, Thomas and Jaegermann, Wolfram and Rodriguez-Girones Arboli, Manuel and Ichizli, Victoria M. and Hartnagel, Hans L. (2003):
Pulse Plating of Pt on n-GaAs(100) Wafer Surfaces: Synchrotron Induced Photoelectron Spectroscopy and XPS of Wet Fabrication Processes.
In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, pp. 432-438, 200, ISSN 0168583X,
[Article]

Biber, S. and Schmidt, L.-P. and Cojocari, Oleg and Mottet, Bastian and Rodriguez-Girones Arboli, Manuel and Hartnagel, Hans L. (2003):
Systematic quality assessment of Schottky diodes for THz-applications.
Noordwijk, ESA Publ. Div., In: Workshop on Millimetre Wave Technology and Applications <3, 2003, Espoo>: Proceedings ...21-23 May 2003, Millilab, Espoo, Finland / ed. Juha Mallat.- Noordwijk: ESA Publ. Div., 2003.- 682 S.- (ESA WPP ; 212).- S. 237-242, [Conference or Workshop Item]

Mendis, R. and Sydlo, Cezary and Sigmund, Jochen and Feiginov, Michael N. and Meissner, Peter and Hartnagel, Hans L. (2003):
Tunable CW-THz system with a log-periodic photoconductive emitter.
Piscataway, NJ, IEEE Service Center, In: International Semiconductor Device Research Symposium <2003, Washington, DC>: Symposium proceedings ...- Piscataway, NJ: IEEE Service Center, 2003.- 537 S.- ISBN 0-7803-8139-4.- S. 318-319, [Conference or Workshop Item]

Cojocari, Oleg and Mottet, Bastian and Rodriguez-Girones Arboli, Manuel and Biber, S. and Schmidt, L.-P. and Hartnagel, Hans L. (2003):
Whisker-device-based optimisation of fabrication process for planar THz Schottky diode.
Noordwijk, ESA Publ. Div., In: Workshop on Millimetre Wave Technology and Applications <3, 2003, Espoo>: Proceedings ...21-23 May 2003, Millilab, Espoo, Finland / ed. Juha Mallat.- Noordwijk: ESA Publ. Div., 2003.- 682 S.- (ESA WPP ; 212).- S. 255-260, [Conference or Workshop Item]

Biber, S. and Cojocari, Oleg and Rehm, G. and Mottet, Bastian and Schmidt, L.-P. and Hartnagel, Hans L. (2003):
A novel system for systematic IF noise and DC characterization of THz Schottky diodes.
In: IEEE transactions on instrumentation and measurement, [Other]

Saglam, Mustafa and Schumann, B. and Müllerwiebus, V. and Megej, Alexander and Auer, U. and Rodriguez-Girones Arboli, Manuel and Judaschke, R. and Tegude, F. J. and Hartnagel, Hans L. (2002):
450 GHZ mm-wave signal from frequency tripler with heterostructure barrier varactors on gold substrate.
In: Electronics letters, pp. 657-658, Vol. 3, [Article]

Litovchenko, V. G. and Evtukh, A. A. and Goncharuk, N. M. and Litvin, Yu. M. and Hartnagel, Hans L. and Yilmazoglu, Oktay (2002):
Anomalous field emission from quantum size structure.
In: International Vacuum Microelectronics Conference <15, 2002, Lyon>: Proceedings ... IVMC 2002.- Lyon, 2002.- PM.49, [Conference or Workshop Item]

Sydlo, Cezary and Sigmund, Jochen and Hartnagel, Hans L. and Loata, G. and Siebert, K. J. and Roskos, H. G. (2002):
Efficient THz-emitters for low-temperature-grown GaAs photomixers.
Piscataway, NJ, IEEE Operations Center, In: International Conference on Terahertz Electronics <10, 2002, Cambridge>: Proceedings ... / ed. by J. M. Chamberlain.- Piscataway, NJ: IEEE Operations Center, 2002.- ISBN 0-7803-7630-7.- S. 60-62, [Conference or Workshop Item]

Saglam, Mustafa and Leo, E. and Bozzi, M. and Perregrini, L. and Rodriguez-Girones Arboli, Manuel and Arcioni, P. and Hartnagel, Hans L. (2002):
Fabrication, testing and lumped element modeling of planar heterostructure barrier varactors.
London, CMP Europe, In: GAAS <10, 2002, Milano>: Conference Proceedings / GAAS 2002, the 10th European Gallium Arsenide and other Semiconductors Application Symposium ...- London: CMP Europe, 2002, [Conference or Workshop Item]

Yilmazoglu, Oktay and Pavlidis, Dimitris and Litvin, Yu. M. and Hubbard, S. M. and Tiginyanu, I. and Mutamba, Kabula and Hartnagel, Hans L. and Litovchenko, V. G. and Evtukh, A. A. (2002):
Field emission from quantum size GaN whiskers.
In: International Vacuum Microelectronics Conference <15, 2002, Lyon>: Proceedings ... IVMC 2002.- Lyon, 2002.- QB3.07, [Conference or Workshop Item]

Hartnagel, Hans L. and Mutamba, Kabula and Pfeiffer, J. (2002):
III-V compound MEMS and optical communication tunable filters.
In: Micromachined microwave devices and circuits.- [Bucuresti]: Ed. Acad. Romane, 2002.- ISBN 973-27-0908-1.- S. 10-23, Ed. Acad. Romane, [Article]

Sigmund, Jochen and Saglam, Mustafa and Hartnagel, Hans L. and Miehe, Gerhard and Fuess, Hartmut (2002):
Influence of growth interruptions at AlSb/InAs interfaces on the atomic morphology and electron transport properties.
In: International Conference on Molecular Beam Epitaxy <12, 2002, San Francisco, Calif.>: Digest ...- 2002, [Conference or Workshop Item]

Megej, Alexander and Beilenhoff, Klaus and Schüßler, Martin and Ziroff, A. and Mottet, Bastian and Yilmazoglu, Oktay and Mutamba, Kabula and Hamann, C. D. and Baican, R. and Hartnagel, Hans L. (2002):
Integrated microwave sensor for cavity-length measurement in machine engineering.
In: IEEE transactions on microwave theory and techniques, Institute of Electrical and Electronics Engineers (IEEE), pp. 3070-3076, 5, (12), ISSN 1557-9670,
[Article]

Megej, Alexander and Beilenhoff, Klaus and Schüßler, Martin and Ziroff, A. and Mottet, Bastian and Yilmazoglu, Oktay and Mutamba, Kabula and Hamann, C. D. and Baican, R. and Hartnagel, Hans L. (2002):
Integrated microwave sensor for cavity-length measurement with sub-millimeter accuracy.
Piscataway, NJ, IEEE Service Center, In: IEEE MTT S International Microwave Symposium digest 2002 ; vol. 2 / ed. Rob Hamilton.- Piscataway, NJ: IEEE Service Center, 2002.- ISBN 0-7803-7239-5.- S. 643-646, [Conference or Workshop Item]

Isermann, Rolf and Breuer, Bert and Hartnagel, Hans L. (eds.) (2002):
Mechatronische Systeme für den Maschinenbau : Ergebnisse aus dem Sonderforschungsbereich 241 ...
Weinheim [u.a.], Wiley-VCH-Verl., ISBN 3-527-27730-7,
[Book]

Hartnagel, Hans L. and Mutamba, Kabula (2002):
Power sensors for microwave and millimeter-wave frequencies.
In: Joint Symposium on Opto- and Microelectronic Devices and Circuits <2, 2002, Stuttgart>: Proceedings ...SODC 2002, [Conference or Workshop Item]

Ichizli, Victoria M. and Rodriguez-Girones Arboli, Manuel and Marchand, L. and Garden, C. and Cojocari, Oleg and Mottet, Bastian and Hartnagel, Hans L. (2002):
Process control and failure analysis implementation for THz Schottky-based components.
Oxford, Pergamon Pr., In: European Symposium on Reliability of Electron Devices, Failure Physics and Analysis <13, 2002, Bellaria>: Reliability of electron devices, failure physics and analysis / guest ed.: Fausto Fantini ...- Oxford: Pergamon Pr., 2002, [Conference or Workshop Item]

Ichizli, Victoria M. and Rodriguez-Girones Arboli, Manuel and Marchand, L. and Garden, C. and Cojocari, Oleg and Mottet, Bastian and Hartnagel, Hans L. (2002):
Process control methods for THz Schottky-based components.
Noordwijk, ESA Publ. Div., In: European Space Components Conference <2002, Toulouse>: Proceedings ... ESCCON 2002 .../ comp. by Robert A. Harris.- Noordwijk: ESA Publ. Div., 2002.- ISBN 92-9092-817-4, [Conference or Workshop Item]

Sydlo, Cezary and Saglam, Mustafa and Mottet, Bastian and Rodriguez-Girones Arboli, Manuel and Hartnagel, Hans L. (2002):
Reliability investigations on HBV using pulsed electrical stress.
In: Microelectronics reliability, pp. 1563-1568, 42, [Article]

Sigmund, Jochen and Saglam, Mustafa and Hartnagel, Hans L. and Zverev, V. N. and Raichev, O. E. and Debray, P. and Miehe, Gerhard and Fuess, Hartmut (2002):
Structural and transport characterization of AISb/InAs QW structures grown by MBE with two growth interruptions.
In: Journal of vacuum science & technology / B, p. 1174, 20, [Article]

Hartnagel, Hans L. and Ichizli, V. and Rodriguez-Girones Arboli, Manuel (2002):
Surface, interface issues in THz electronics.
In: Applied surface science, pp. 428-436, 190, [Article]

Mutamba, Kabula and Megej, Alexander and Beilenhoff, Klaus and Weinzierl, J. and Hartnagel, Hans L. (2002):
Technology of compound semiconductor MEMS for millimeter-wave power measurement.
In: WOCSDICE <2002, Chernogolovka>: Proceedings ...- 2002.- S. 143-144, [Conference or Workshop Item]

Hartnagel, Hans L. and Mutamba, Kabula and Brandt, Michael and Yilmazoglu, Oktay (2002):
Verbindungshalbleitersensorik für mechatronische Systeme.
In: Mechatronische Systeme für den Maschinenbau : Ergebnisse aus dem Sonderforschungsbereich ... / Hrsg.: Rolf Isermann.- Weinheim: Wiley-VCH-Verl., 2002.- ISBN 3-527-27730-7.- S. 287-316, Weinheim, Wiley-VCH-Verl., [Book Section]

Litvin, Yu. M. and Evtukh, A. A. and Yilmazoglu, Oktay and Hartnagel, Hans L. (2002):
The influence of the self-organization nano-size structures on the electron field emission.
In: Abstracts, ... general conference of the European Physical Society, Vol. 2, [Conference or Workshop Item]

Debray, P. and Zverev, V. N. and Raichev, O. E. and Hartnagel, Hans L. and Sigmund, Jochen and Saglam, Mustafa and Kohn, E. and Densienko, A. and Ahmed, H. and Irvine, A. C. and Lee, S.-B. (2002):
A nanoscale electron waveguide for very high-speed analog-to-digital converters.
In: WOCSDICE <2002, Chernogolovka>: Proceedings ...- 2002.- S. 141, [Conference or Workshop Item]

Mimura, H. and Yilmazoglu, Oktay and Shimawaki, H. and Yokoo, K. and Mutamba, K. and Hartnagel, Hans L. (2001):
Emission characteristics of a gallium arsenide wedge emitter monolithically fabricated with an air-bridge and a cantilever anode.
Piscataway, NJ, IEEE, In: IVMC 2001: International Vacuum Microelectronics Conference <14, 2001, Davis, CA>: Technical digest. - Piscataway, NJ: IEEE, 2001, [Conference or Workshop Item]

Yokoo, K. and Okamura, K. and Hasegawa, H. and Mimura, H. and Yilmazoglu, Oktay and Mutamba, Kabula and Hartnagel, Hans L. and Ishizuka, H. and Kawamura, Y. (2001):
Experiments of microwave and optical wave radiation using field emission micro cathode.
In: ISMOT 2001: International Symposium on Microwave and Optical Technology <9, 2001, Montreal>; Technical digest, [Conference or Workshop Item]

Hartnagel, Hans L. and Megej, A. and Mutamba, K. (2001):
Microwave and millimeter-wave monolithic signal sources with MEMS-based power monitoring for sensing applications.
In: Office of Naval Research / US Department of the Navy: ONR Workshop on Physical Effects and Device/Circuit Interactions in Solid-State Devices <2001, Bar Harbor, ME>; Proceedings. S. 33, [Conference or Workshop Item]

Hartnagel, Hans L. and Ichizli, Victoria M. and Rodriguez-Girones Arboli, Manuel (2001):
Semiconductor technology for THz integration.
Uetikon, Zürich, Trans Tech Publ., In: UFPS - 11: International Symposium on Ultrafast Phenomena in Semiconductors <11, 2001, Vilnius>; Proceedings. - Uetikon, Zürich: Trans Tech Publ., 2002, [Conference or Workshop Item]

Hartnagel, Hans L. and Ichizli, Victoria M. and Rodriguez-Girones Arboli, Manuel (2001):
Surface/interface issues in THz electronics.
In: ICSFI-8: International Conference on the Formation of Semiconductor Interfaces <8, 2001, Sapporo>: Proceedings; Abstract, [Conference or Workshop Item]

Hartnagel, Hans L. and Yilmazoglu, Oktay and Mutamba, Kabula (2000):
Concepts of microwave power electronics based on electron field emission from structures fabricated in semiconducting materials.
In: Next Generation mm-Wave Solid State Power: Materials, Devices and Systems: Office of Naval Research Workshop <2000, S. Padre Island, Texas>; Technical digest, [Conference or Workshop Item]

Hartnagel, Hans L. and Pfeiffer, J. and Peerlings, J. and Samal, N. and Meissner, P. (2000):
Fabry-Pérot filter for WDM.
In: Joint Symposium on Opto- and Microelectronic Devices and Circuits <2000, Nanjing, China>: Proceedings. S. 49-52, [Conference or Workshop Item]

Yokoo, K. and Okamura, K. and Mimura, H. and Yilmazoglu, Oktay and Arslan, D. and Hartnagel, Hans L. and Ishizuka, H. (2000):
Field emission studies for microwave and optical wave generation.
Berlin (u.a.), VDE-Verl., In: THz Conference 2000: 8th International Conference on Terahertz Electronics, 2000 Darmstadt Techn. Univ., Inst. für Hochfrequenztechnik; Technical digest. - Berlin (u.a.): VDE-Verl., 2000, [Conference or Workshop Item]

Lin, Chih-I. and Ichizli, Victoria M. and Rodriguez-Girones Arboli, Manuel and Saglam, Mustafa and Szeliga, P. and Hartnagel, Hans L. (2000):
From honey-comb to SMMIC: Schottky diodes at TU Darmstadt.
Berlin (u.a.), VDE-Verl., In: THz Conference 2000: 8th International Conference on Terahertz Electronics, 2000 Darmstadt, Techn. Univ., Inst. für Hochfrequenztechnik; Proceedings. S. 251-254. - Berlin (u.a.): VDE-Verl., 2000, [Conference or Workshop Item]

Mimura, H. and Okamura, K. and Shimawaki, H. and Yokoo, K. and Yilmazoglu, Oktay and Hartnagel, Hans L. (2000):
GaAs lateral field emitters for generation of modulation beam using gunn effect.
In: IVMC 2000: International Vacuum Microelectronics Conference <13, 2000, Guanghou, China>; Technical digest, [Conference or Workshop Item]

Saglam, Mustafa and Megej, A. and Sigmund, Jochen and Rodriguez-Girones Arboli, Manuel and Mutamba, Kabula and Ichizli, Victoria M. and Lin, C.-I. and Hartnagel, Hans L. (2000):
III-V Material systems for heterostructure barrier varactors.
In: THz Conference 2000: 8th International Conference on Terahertz Electronics, 2000 Darmstadt, Techn. Univ., Inst. für Hochfrequenztechnik; Proceedings. S. 259-260 - Berlin (u.a.): VDE-Verl., 2000, [Conference or Workshop Item]

Hartnagel, Hans L. and Mutamba, K. and Pfeiffer, J. (2000):
III-V compound materials for MEMS including filters.
In: International Electronics Devices and Materials Symposium <2000, Taiwan>: Proceedings, [Conference or Workshop Item]

Hartnagel, Hans L. and Mutamba, Kabula and Yilmazoglu, Oktay (2000):
New aspects of quantum electronics based MEMS.
In: Cross-Straight Symposium on Microsystems Technologies <1, 2000, Tainan, Taiwan>: Proceedings, [Conference or Workshop Item]

Mottet, Bastian and Sydlo, Cezary and Hartnagel, Hans L. (2000):
Pulsed electrical stress techniques for the detection of non-thermal lifetime-problems with semiconductor devices and their IC's.
In: GAAS 2000: Gallium Arsenide and other Semiconductor Application Symposium <2000, Paris>; Symposium Proceedings. S. 39-43, [Conference or Workshop Item]

Hartnagel, Hans L. and Lin, C. I. and Rodriguez-Girones, M. and Ichizli, V. and Saglam, M. and Szeliga, P. (2000):
Recent development in device technology for integrated THz circuits.
In: GAAS 2000: Gallium Arsenide and other Semiconductors Application Symposium <2000, La Defense, Paris>: Proceedings, [Conference or Workshop Item]

Lin, Chih-I. and Saglam, Mustafa and Rodriguez-Girones Arboli, Manuel and Ichizli, Victoria M. and Szeliga, P. and Hartnagel, Hans L. (2000):
Recent development of Pt/n-GaAs Schottky diodes for THz applications.
In: International Conference on Infrared and Millimeter Waves <25, 2000, Beijing, China>: Proceedings, [Conference or Workshop Item]

Lin, Chih-I. and Rodriguez-Girones Arboli, Manuel and Ichizli, Victoria M. and Saglam, Mustafa and Szeliga, P. and Hartnagel, Hans L. (2000):
Technological developments for THz electronics.
Berlin (u.a.), VDE-Verl., In: THz Conference 2000: 8th International Conference on Terahertz Electronics, 2000 Darmstadt, Techn. Univ., Inst. für Hochfrequenztechnik; Proceedings. S. 129-132. - Berlin (u.a.): VDE-Verl., 2000, [Conference or Workshop Item]

Hartnagel, Hans L. and Mutamba, Kabula and Brandt, M. and Yilmazoglu, Oktay (2000):
Verbindungshalbleitersensoren für mechatronische Systeme.
In: Thema Forschung, pp. S. 72-81, 6, [Article]

Hartnagel, Hans L. and Mutamba, K. and Pfeiffer, J. and Riemenschneider, R. and Peerlings, J. (1999):
Compound semiconductor MEMS for sensing and optical communication systems.
In: Compound semiconductor, pp. 68-72, 5, [Article]

Hartnagel, Hans L. and Brandt, M. and Mayer, K. and Mutamba, Kabula and Yilmazoglu, Oktay and Megej, Alexander and Lin, C. I. and Rodriguez, M. (1999):
Contact free sensor signal transfer by microwave and RF links.
In: COMITE'99: International Conference on Microwave Techniques <1999, Paradubice>; Proceedings, [Conference or Workshop Item]

Hartnagel, Hans L. and Pfeiffer, J. and Mutamba, K. and Peerlings, J. and Riemenschneider, R. and Meißner, P. (1999):
III-V Membrane structures for tunable Fabry-Pérot filters and sensor applications.
In: COMMAD'98: Conference on Optoelectronic and Microelectronic Materials and Devices <1999, Perth, Australia>; Proceedings. S. 49-56, [Conference or Workshop Item]

Hartnagel, Hans L. and Mutamba, K. and Brandt, M. and Pfeiffer, J. and Riemenschneider, R. and Meißner, P. and Breuer, B. and Hennecke, Dietmar K. and Stoffel, Bernd (1999):
III-V-Micromechanics for sensing applications in mechanical engineering and for optical communications.
In: WOCSEMMAD'99 <1999, New Orleans>: Proceedings, [Conference or Workshop Item]

Pfeiffer, Joachim and Peerlings, J. and Riemenschneider, Rolf and Genovese, R. and Aziz, M. and Böhm, G. and Amann, Markus-Christian and Meissner, Peter and Hartnagel, Hans L. (1999):
InP-based bulk-micromachined tunable filter applications for WDM systems.
In: SPIE Photonics East <1999, Boston>: Proceedings, [Conference or Workshop Item]

Hartnagel, Hans L. and Lin, C. I. (1999):
Passivation of compound-semiconductor surfaces for low-noise terahertz devices.
In: SSP'99: International Seminar on Semiconductor Surface Passivation <1,1999, Ustron>; Proceedings, [Conference or Workshop Item]

Hartnagel, Hans L. (1999):
Proposal of a new type of non-linear component for harmonic extraction.
In: Frequenz, pp. 5-6, 53, [Article]

Hartnagel, Hans L. (1999):
THz-device technology for monolithic integration using III-V semiconductors.
In: International Conference Terahertz Electronics <7, 1999, Nara, Japan>: IEEE Proceedings, [Conference or Workshop Item]

Hartnagel, Hans L. and Arslan, D. and Brandt, M. and Dehé, A. and Mutamba, K. and Vogt, (1998):
Compound semiconductor microsensors for applications in mechanical engineering.
In: GAAS´98: European Gallium Arsenide and Related III -V Compounds Application Symposium ; within the European Microwave Week <1998, Amsterdam>: Proceedings. S.485, [Conference or Workshop Item]

Hartnagel, Hans L. and Brandt, and Dehé, and Simon, (1998):
Mikro-Sensorik für den Einsatz in Maschinen bis hin zum Satelliten.
In: Thema Forschung. 1998, H. 1, S. 14-21, [Article]

Hartnagel, Hans L. and Mutamba, and Sigurdardottir, A. (1998):
A basic quantum dot element: proposal of a HBT-dot cell for high-packing density memory circuits.
In: International Workshop on Physics and Modelling of Devices based on Low-Dimensional Structures <2, 1998, Aizu-Wakamatsu, Japan>: Proceedings. S. 18-22, [Conference or Workshop Item]

Grajal, J. and Krozer, V. and Schüßler, M. and Brandt, M. and Hartnagel, Hans L. (1997):
Application of semiconductor interface modelling to reliability characterisation.
In: WOCSDICE'97 <1997, Scheveningen, NL>: Proceedings, [Conference or Workshop Item]

Hartnagel, Hans L. (1997):
III-V-compounds for high temperature operation.
In: Materials science and engineering. B 46 (1997), S. 47-51, [Article]

Hartnagel, Hans L. (1997):
New devices for millimeter-wave applications.
In: Annales des télécommunications. 52 (1997), No. 3-4, [Article]

Tiginyanu, I. and Pavlidis, D. and Cao, J. and Eisenbach, A. and Ichizli, Victoria M. and Hartnagel, Hans L. and Anedda, A. and Corpino, R. (1997):
Time-resolved photoluminescence characterisation of GaN layers grown by metalorganic chemical vapor deposition.
In: Conference on Defect Recognition and Imaging Processing <7, 1997>: Proceedings, [Conference or Workshop Item]

Hartnagel, Hans L. (1997):
Ultra-small quantum devices for memory and logic.
In: International Solid State Circuits Conference <44, 1997, San Francisco>: Session 7; Digest, S. 126-127, [Conference or Workshop Item]

Schüßler, Martin and Statzner, and Granero, and Hartnagel, Hans L. (1997):
A new self aligned technique for HBTs using electrolytical deposition of base metal.
In: European Gallium Arsenide and Related III-V Compounds Applications Symposium <5, 1997, Bologna, Italy>: Proceedings, [Conference or Workshop Item]

Hartnagel, Hans L. (1996):
Are new device and material concepts needed in the future?
In: Workshop on Post-Binary Ultra Large Scale Integration <1996, Santiago de Compostela, Spain>: Proceedings, [Conference or Workshop Item]

Schüßler, Martin and Statzner, and Lin, and Krozer, and Horn, and Hartnagel, Hans L. (1996):
Electrochemical deposition of Pd, Ti, and Ge for applications in GaAs technology.
In: Journal of the Electrochemical Society. 143 (1996), No. 4, S. 73-75, [Article]

Hartnagel, Hans L. (1996):
III-V compounds for high-temperature operations.
Amsterdam, Elsevier, In: Proceedings of Symposim G on Nonlinear Optical and Optoelectronic Organic Materials of the 1996 E-MRS Spring Conference: Strasbourg, June 1996, 83,3, [Conference or Workshop Item]

Hartnagel, Hans L. (1996):
Microwave opportunities for city communications and for motor-car traffic handling.
In: Nato Advanced Research Workshop on Scientific and Technological Achievements Related to Development of European Cities <1996, Kishinev, Moldawien>: Proceedings, [Conference or Workshop Item]

Hartnagel, Hans L. (1996):
Nanometric structures in future quantum electronics.
In: Review of radio science 1993-1996. Hrsg.: W.R. Stone. S. 295-303, Union Radio Scientifique Internationale, [Article]

Schüßler, Martin and Krozer, and Bock, and Brandt, and Vecchi, and Losi, and Hartnagel, Hans L. (1996):
Pulsed stress reliability investigations of Schottky diodes and HBTs.
In: Microelectronics and reliability. 36 (1996), S. 1907-1910, [Article]

Tiginyanu, I. and Miao, and Hartnagel, Hans L. and Rück, and Tinschert, and Ursaki, and Ichizli, Victoria M. (1996):
Raman and electrical characterisation of n-InP implanted by 630-keV nitrogen.
In: International Conference on Indium Phosphide and Related Materials <8, 1996, Schwäbisch Gmünd>: Proceedings, [Conference or Workshop Item]

Hartnagel, Hans L. (1996):
(Rez.) Ploog, K.H.: III-V quantum system research.
In: Electronics & communication: engineering journal. 8 (1996), S. 277, [Article]

Tiginyanu, I. and Ichizli, Victoria M. and Hartnagel, Hans L. (1996):
Surface vibrational modes in nanoporous III-V compounds.
In: International Conference on Vibrations at Surfaces <8, 1996, Birmingham>: Proceedings, [Conference or Workshop Item]

Schüßler, Martin and Krozer, and Pfeiffer, and Statzner, and Lee, and Hartnagel, Hans L. (1995):
AlGaAs/GaAs and GaInP/GaAs HBT for high temperature microwave operation.
In: International Symposium on Signals, Systems and Electronics: ISSE '95 <1995, San Francisco, USA>: Proceedings, [Conference or Workshop Item]

Hartnagel, Hans L. (1995):
Engineering at German universities.
In: Engineering science and education journal. 4 (1995), Nr. 1, S. 43-47, [Article]

Hartnagel, Hans L. (1995):
Heterostructure transistors for MMIC applications: HEMTs and HBTs.
In: Microwaves and optoelectronics: MIOP '95 <1995, Sindelfingen>: Digest, [Conference or Workshop Item]

Hartnagel, Hans L. (1995):
Temperature independent HBT oscillator design.
In: Symposium of the Microwave Theory and Techniques Society <1995, Orlando, USA>: Conference proceedings, [Conference or Workshop Item]

This list was generated on Sat Oct 19 01:36:21 2019 CEST.