Sirkeli, V. P. ; Tiginyanu, I. M. ; Hartnagel, H. L.
Hrsg.: Tiginyanu, Ion ; Sontea, Victor ; Railean, Serghei (2020)
Recent Progress in GaN-Based Devices for Terahertz Technology.
4th International Conference on Nanotechnologies and Biomedical Engineering. Chisinau, Republic of Moldova (September 18-21, 2019)
Konferenzveröffentlichung, Bibliographie

Hartnagel, H. L. ; Sirkeli, V. P.
Hrsg.: Tiginyanu, Ion ; Sontea, Victor ; Railean, Serghei (2020)
The Use of Metal Oxide Semiconductors for THz Spectroscopy of Biological Applications.
4th International Conference on Nanotechnologies and Biomedical Engineering. Chisinau, Republic of Moldova (September 18-21, 2019)
Konferenzveröffentlichung, Bibliographie

Sirkeli, V. P. ; Hartnagel, H. L. ; Yilmazoglu, O. ; Preu, S.
Hrsg.: Tiginyanu, Ion ; Sontea, Victor ; Railean, Serghei (2020)
ZnO-Based Quantum Structures for Terahertz Sources.
4th International Conference on Nanotechnologies and Biomedical Engineering. Chisinau, Republic of Moldova (September 18-21, 2019)
Konferenzveröffentlichung, Bibliographie

Sirkeli, V. P. ; Hartnagel, H. L. (2019)
ZnO-based terahertz quantum cascade lasers.
In: Opto-Electronics Review, 27 (2)
doi: 10.1016/j.opelre.2019.04.002
Artikel, Bibliographie

Sirkeli, V. P. ; Yilmazoglu, O. ; Küppers, F. ; Hartnagel, H. L. (2018)
2.08 THz and 4.96 THz Room-Temperature Quantum Cascade Lasers Based on Non-Polar M-Plane ZnMgO/ZnO.
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
doi: 10.1109/IRMMW-THz.2018.8510344
Konferenzveröffentlichung, Bibliographie

Küppers, F. ; Sirkeli, V. P. ; Yilmazoglu, O. ; Hajo, A. S. ; Nedeoglo, N. D. ; Nedeoglo, D. D. ; Preu, S. ; Hartnagel, H. L. (2018)
High-performance near-ultraviolet ZnSe-based photodetectors with Cr/Au and Ni/Au contacts.
9th MSCMP Conference Moldova. Chisinau, Republic of Moldova (25–28 September 2018)
Konferenzveröffentlichung, Bibliographie

Hartnagel, H. L. ; Sirkeli, V. P. ; Yilmazoglu, O. ; Hajo, A. S. ; Nedeoglo, N. D. ; Nedeoglo, D. D. ; Preu, S. ; Küppers, F. (2018)
Near-ultraviolet avalanche photodetectors based on bulk ZnSe.
40th WOCSDICE Conference. Bucharest, Romania
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, O. ; Al-Daffaie, S. ; Küppers, F. ; Hartnagel, H. L. (2016)
New photocathodes for THz vacuum microelectronic devices.
Energy, Materials, Nanotechnology (EMN) Meeting on Vacuum Electronics. Las Vegas, NV, USA (November 2016)
Konferenzveröffentlichung, Bibliographie

Sirkeli, V. P. ; Yilmazoglu, O. ; Al-Daffaie, S. ; Oprea, I. ; Ong, D. S. ; Kueppers, F. ; Hartnagel, H. L. (2016)
Effect of Si-Doping of the GaN Barrier on the Internal Quantum Efficiency of InGaN/GaN Light-Emitting Diodes.
8th International Conference on Materials Science and Condensed Matter Physics / MSCMP-2016. Chisinau, Moldova (September 2016)
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, O. ; Al-Daffaie, S. ; Küppers, F. ; Hartnagel, H. L. (2015)
New photocathodes for THz vacuum microelectronic devices.
Energy, Materials, Nanotechnology (EMN) Meeting on Vacuum Electronics. Las Vegas, NV USA
Konferenzveröffentlichung, Bibliographie

Sirkeli, V. P. ; Yilmazoglu, O. ; Küppers, F. ; Hartnagel, H. L. (2015)
Enhanced efficiency of p-GaN/n-ZnO light-emitting diodes by using NiO and ZnSe interlayers.
3rd International Conference on Nanotechnologies and Biomedical Engineering ICNBME. Chisinau, Republic of Moldova
Konferenzveröffentlichung, Bibliographie

Hartnagel, H. L.
Hrsg.: Sontea, Victor ; Tiginyanu, Ion (2015)
Plasmonic Effects for Enhanced Optical Mixing in View of THz Signal Generation.
3rd International Conference on Nanotechnologies and Biomedical Engineering: ICNBME-2015. Chisinau, Republic of Moldova
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, O. ; Al-Daffaie, S. ; Küppers, F. ; Hartnagel, H. L. ; Neo, Y. ; Mimura, H. (2015)
Ultrafast photocathodes based on n-doped graphene emitters on compound semiconductor photoswitches.
28th International Vacuum Nanoelectronics Conference (IVNC).
Konferenzveröffentlichung, Bibliographie

Hartnagel, H. L. ; Al-Daffaie, S. ; Yilmazoglu, O. (2015)
Plasmonics and Graphene for THz Generation by Optical Mixing.
The 4th Russia-Japan-USA Symposium on Fundamental & Applied Problems of Terahertz Devices & Technologies, At IMT, ISSP. Chernogolovka, Russia
Konferenzveröffentlichung, Bibliographie

Al-Daffaie, S. ; Yilmazoglu, O. ; Küppers, F. ; Hartnagel, H. L. (2015)
1-D and 2-D Nanocontacts for Reliable and Efficient Terahertz Photomixers.
In: IEEE Transactions on Terahertz Science and Technology, 5 (3)
Artikel, Bibliographie

Hartnagel, H. L. ; Al-Daffaie, S. ; Yilmazoglu, O. (2015)
Plasmonics in semiconductors and in Ag submicron wires and graphene.
In: Lithuanian Journal of Physics, 55 (4)
Artikel, Bibliographie

Yilmazoglu, O. ; Al-Daffaie, S. ; Küppers, F. ; Hartnagel, H. L. ; Neo, Y. ; Mimura, H. (2014)
Photocathodes based on graphene nanoplatelet emitters on semi-insulating GaAs photoswitch.
Vacuum Nanoelectronics Conference (IVNC), 2014 27th International.
Konferenzveröffentlichung, Bibliographie

Halbritter, H. ; Sydlo, C. ; Koegel, B. ; Riemenschneider, F. ; Hartnagel, H. L. ; Meissner, Peter (2006)
Linewidth and chirp of MEMS-VCSELs.
In: IEEE Photonics Technology Letters, 18
Artikel, Bibliographie

Sydlo, Cezary ; Mendis, R. ; Sigmund, J. ; Feiginov, Michael N. ; Hartnagel, H. L. ; Meissner, P. (2005)
Binary optical mixing for broadband THz communication.
Konferenzveröffentlichung, Bibliographie

Vicente, C. ; Mattes, M. ; Wolk, D. ; Hartnagel, H. L. ; Mosig, J. R. ; Raboso, D. (2005)
FEST3D : a simulation tool for corona prediction.
Konferenzveröffentlichung, Bibliographie

Vicente, C. ; Mattes, M. ; Wolk, D. ; Hartnagel, H. L. (2005)
FEST3D : a simulation tool for multipactor prediction.
Konferenzveröffentlichung, Bibliographie

Vicente, C. ; Wolk, D. ; Hartnagel, H. L. ; Raboso, D. (2005)
An Investigation on Passive Intermodulation Generation at Waveguide Junctions.
Konferenzveröffentlichung, Bibliographie

Dragoman, M. ; Hartnagel, H. L. ; Tuovinen, J. ; Plana, R. (2005)
Microwave applications of carbon nanotubes.
In: Frequenz, 59
Artikel, Bibliographie

Sigmund, J. ; Sydlo, C. ; Hartnagel, H. L. ; Teissmann, R. ; Benker, N. ; Fuess, Hartmut ; Rutz, F. ; Koch, M. (2005)
Non-stoichiometric growth and precipitation formation in LTG-GaAsSb for THzapplications.
Konferenzveröffentlichung, Bibliographie

Hartnagel, H. L. (2005)
Proposal for fine-tuning of current across MEMS device by quantum- electronic structure.
In: Frequenz, 59
Artikel, Bibliographie

Mendis, R. ; Sydlo, C. ; Sigmund, J. ; Feiginov, Michael N. ; Meissner, P. ; Hartnagel, H. L. (2005)
Spectral characterization of broadband THz antennas by photoconductive mixing : towards optimal antenna design.
In: IEEE Antennas and Wireless Propagation Letters, 4
Artikel, Bibliographie

Hartnagel, H. L. (2005)
The introduction of quantum electronic structures for MEMS devices.
In: Lithunian Journal of Physics, 45
Artikel, Bibliographie

Wolk, D. ; Vicente, C. ; Hartnagel, H. L. ; Mattes, M. ; Mosig, J. R. ; Raboso, D. (2005)
An investigation on the effect of fringing fields on multipactor breakdown.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Brandt, M. ; Sigmund, J. ; Genc, E. ; Hartnagel, H. L. (2001)
Integrated InAs/GaSb 3D magnetic field sensors for "the intelligent tire".
In: Sensors and Actuators A : Physical, 94 (1-2)
doi: 10.1016/S0924-4247(01)00700-2
Artikel, Bibliographie

Sigmund, Jochen ; Saglam, M. ; Vogt, Alexander ; Hartnagel, H. L. ; Buschmann, V. ; Wieder, Thomas ; Fuess, H. (2001)
Microstructure analysis of ohmic contacts on MBE grown n-GaSb and investigation of submicron contacts.
In: Journal of Crystal Growth, 227-228
doi: 10.1016/S0022-0248(01)00785-0
Artikel, Bibliographie

Saglam, Mustafa ; Bozzi, M. ; Megej, A. ; Rodriguez-Girones, M. ; Perregrini, L. ; Hartnagel, H. L. (2001)
Characterization of heterostructure-barrier-varactors for frequency multiplication.
In: International journal of infrared and millimeter waves, 22
Artikel, Bibliographie

Ichizli, Victoria M. ; Droba, M. ; Mutamba, K. ; Sigurdardottir, A. ; Hartnagel, H. L. (2001)
Comparative investigation of interface effect on transmission function of electrons and holes in InAs/AlSb-based heterostructures.
Konferenzveröffentlichung, Bibliographie

Megej, Alexander ; Beilenhoff, K. ; Hartnagel, H. L. (2001)
Conditions for broadband MMIC voltage-controlled oscillators based on theory and experiments.
In: IEEE-MTT-S International Microwave Sympsoium Digest, 3
Artikel, Bibliographie

Stevens-Kalceff, M. A. ; Tiginyanu, I. M. ; Langa, S. ; Föll, H. ; Hartnagel, H. L. (2001)
Correlation between morphology and cathodoluminescence in porous GaP.
In: Journal of applied physics, 89
Artikel, Bibliographie

Sydlo, Cezary ; Mottet, B. ; Ganis, H. ; Hartnagel, H. L. ; Krozer, V. ; Delage, S. L. ; Cassette, S. ; Chartier, E. ; Floriot, D. (2001)
Defect detection and modelling using pulsed electrical stress for reliability investigations of InGaP HBT.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Mimura, H. ; Mutamba, K. ; Hartnagel, H. L. ; Shimawaki, H. ; Yokoo, K. (2001)
Emission behaviour of micromachined vertical field emitter with cantilever structure.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Mimura, H. ; Mutamba, K. ; Hartnagel, H. L. ; Okamura, K. ; Shimawaki, H. ; Yokoo, K. (2001)
Generation of a bunched beam by field-emitter structures.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Mimura, H. ; Mutamba, K. ; Cojocari, O. ; Hartnagel, H. L. ; Okamura, K. ; Shimawaki, H. ; Yokoo, K. (2001)
Generation of modulation beam with GaAs field-emitter structures.
Konferenzveröffentlichung, Bibliographie

Mutamba, Kabula ; Beilenhoff, K. ; Megej, A. ; Woelk, C. ; Hartnagel, H. L. (2001)
Micromachined GaAs sensors for microwave and millimeter-wave power measurement.
In: mstnews
Artikel, Bibliographie

Megej, Alexander ; Hartnagel, H. L. (2001)
Microwave source studies based on reflection-type oscillators and different HEMT-circuit configurations.
Konferenzveröffentlichung, Bibliographie

Gottwald, P. ; Kräutle, H. ; Szentpali, B. ; Hartnagel, H. L. (2001)
Results on passivation of InP by photo-CVD SiO2 and SiNx obtained by using the low-frequency noise measurement technique.
In: Fluctuation and noise letters, 1
Artikel, Bibliographie

Ichizli, Victoria M. ; Rodriguez-Girones, M. ; Lin, Ch.-I. ; Szeliga, P. ; Hartnagel, H. L. (2001)
The effect of glas plasma on the deposition quality of Schottky metals and interconnect metallisation for planar diodes structure for THz applications.
Konferenzveröffentlichung, Bibliographie

Schuessler, M. ; Mottet, B. ; Sydlo, C. ; Krozer, V. ; Hartnagel, H. L. ; Jakoby, Rolf (2000)
Model for the Decrease in HBT Collector Current under DC Stress based on Recombination Enhanced Defect Reactions.
11th ESREF-Symposium.
Konferenzveröffentlichung, Bibliographie

Tiginyanu, I. M. ; Kravetsky, I. V. ; Marowsky, G. ; Monecke, J. ; Hartnagel, H. L. (2000)
Design of new nonlinear optical materials based on porous III-V compounds.
In: physica status solidi (b), 221 (1)
doi: 10.1002/1521-3951(200009)221:1<557::AID-PSSB557>3.0.CO;2-6
Artikel, Bibliographie

Ichizli, Victoria M. ; Riemenschneider, R. ; Hartnagel, H. L. (2000)
Scanning tunneling spectroscopy characterisation of As+ implanted InP (100) single crystals.
In: Journal of Vacuum Science and Technology B, 18 (5)
doi: 10.1116/1.1288202
Artikel, Bibliographie

Ichizli, Victoria M. ; Mutamba, K. ; Droba, M. ; Sigurdardottir, A. ; Hartnagel, H. L. (2000)
Interface tuning of the InAs/AlSb heterostructure-based quantum wells.
In: Journal of Vacuum Science and Technology B, 18 (4)
doi: 10.1116/1.1303810
Artikel, Bibliographie

Droba, Martin ; Beilenhoff, K. ; Hartnagel, H. L. ; Ratzinger, U. (2000)
180 degree bending systems for higher current heavy ion linacs.
Konferenzveröffentlichung, Bibliographie

Saglam, Mustafa ; Bozzi, M. ; Domoto, C. ; Rodriguez-Girones, M. ; Perregrini, L. ; Hartnagel, H. L. (2000)
Al07Ga03As/GaAs HBV for 255 GHz tripling operation.
Konferenzveröffentlichung, Bibliographie

Sim, St. K. H. ; Li, E. H. ; Mutamba, K. ; Hartnagel, H. L.
Hrsg.: Osinski, Marek (2000)
Antimonide-based interdiffused quantum wells.
Asia Pacific Symposium on Optoelectronics '98. Taipei, Taiwan (July 09-11, 1998)
doi: 10.1117/12.311021
Konferenzveröffentlichung, Bibliographie

Saglam, Mustafa ; Bozzi, M. ; Rodriguez-Girones, M. ; Lin, C.-I. ; Megej, A. ; Perregrini, L. ; Hartnagel, H. L. (2000)
Characterization of heterostructure barrier varactors for 255 GHz tripling operation.
Konferenzveröffentlichung, Bibliographie

Lal, K. ; Hartnagel, H. L. ; Goswami, N. ; Thoma, P. (2000)
Experimental evaluation of on-chip measurement of charge transfer by X-rays.
In: Electronics letters, 36
Artikel, Bibliographie

Manca, J. ; Croes, K. ; De Ceuninck, W. ; De Schepper, L. ; Dieval, B. ; Hartnagel, H. L.
Hrsg.: Papanicolaou, Nick ; Naval Research Laboratory (2000)
High temperature time dependent dielectric breakdown of power MOSFETs.
In: Reliabiblity, lifetime and testing : session V
Buchkapitel, Bibliographie

Mutamba, Kabula ; Pfeiffer, J. ; Beilenhoff, K. ; Peerlings, J. ; Megej, A. ; Meissner, P. ; Hartnagel, H. L. (2000)
III-V compound MEMS solutions for sensors and optical communications.
Konferenzveröffentlichung, Bibliographie

Miranda-Pantoja, J. M. ; Lin, C.-I. ; Brandt, M. ; Rodriguez-Girones, M. ; Hartnagel, H. L. ; Sebastian, J. L. (2000)
Influence of reactive ion etching on the microwave trap noise generated in Pt/n-GaAs Schottky diode interfaces.
In: IEEE Electron device letters, 21
Artikel, Bibliographie

Sigmund, Jochen ; Saglam, M. ; Vogt, Alexander ; Hartnagel, H. L. ; Buschmann, V. ; Wieder, Thomas ; Fuess, H. (2000)
Microstructure analysis of Ohmic contacts on MBE grown n-GaSb layers and investigation of submicron contacts.
Konferenzveröffentlichung, Bibliographie

Schuessler, M. ; Mottet, B. ; Sydlo, C. ; Krozer, V. ; Hartnagel, H. L. ; Jakoby, Rolf (2000)
Model for the decrease in HBT collector current under DC stress based on recombination enhanced defect reactions.
Konferenzveröffentlichung, Bibliographie

Miranda-Pantoja, J. M. ; Lin, C.-I. ; Shalaan, M. ; Sebastian, J. L. ; Munoz, S. ; Hartnagel, H. L. (2000)
Monte Carlo simulation of microwave noise temperature in cooled GaAs and InP.
In: IEEE Transactions on microwave theory and techniques, 48
Artikel, Bibliographie

Schwab, C. ; Tiginyanu, I. M. ; Sarua, A. ; Irmer, G. ; Monecke, J. ; Sigmund, J. ; Hartnagel, H. L. (2000)
Nanoporous membranes and heterostructures based on III-V compounds.
Konferenzveröffentlichung, Bibliographie

Tiginyanu, I. ; Langa, S. ; Hjort, K. ; Monecke, J. ; Hartnagel, H. L. (2000)
Nanotexturization of III-V compounds for THz-wave generation.
Konferenzveröffentlichung, Bibliographie

Tiginyanu, I. ; Kravetsky, I. ; Pavlidis, D. ; Eisenbach, A. ; Hildebrandt, R. ; Marowsky, G. ; Hartnagel, H. L. (2000)
Nonlinear optical characterization of GaN layers grown by MOCVD on sapphire.
In: MRS Internet journal nitride semiconductor research. 5S1, W11.52 (2000)
Artikel, Bibliographie

Kravetsky, V. ; Tiginyanu, I. M. ; Hildebrandt, R. ; Marowsky, G. ; Pavlidis, D. ; Eisenbach, A. ; Hartnagel, H. L. (2000)
Nonlinear optical response of GaN layers on sapphire: the impact of fundamental beam interference.
In: Applied physics letters, 76
Artikel, Bibliographie

Tiginyanu, I. ; Schwab, C. ; Sarua, A. ; Irmer, G. ; Monecke, J. ; Sigmund, J. ; Hartnagel, H. L. (2000)
Optical characteristics of nanostructured III-V compounds.
Konferenzveröffentlichung, Bibliographie

Sarua, A. ; Gärtner, G. ; Irmer, G. ; Monecke, J. ; Tiginyanu, I. M. ; Hartnagel, H. L. (2000)
Raman and IR-reflectance spectra of porous III-V semiconductor structures.
In: Physica Status Solidi A, 182
Artikel, Bibliographie

Sarua, A. ; Irmer, G. ; Monecke, J. ; Tiginyanu, I. M. ; Schwab, C. ; Grob, J.-J. ; Hartnagel, H. L. (2000)
Raman spectroscopy of porous and bulk GaP subjected to MeV-ion implantation and annealing.
In: Journal of applied physics, 88
Artikel, Bibliographie

Tiginyanu, I. ; Kravetsky, I. V. ; Marowsky, G. ; Monecke, J. ; Cordts, W. ; Hartnagel, H. L. (2000)
Semiconductor sieves as novel materials for nonlinear optical applications.
Konferenzveröffentlichung, Bibliographie

Akar, I. ; Mutamba, K. ; Euterneck, C. ; Aarab, H. ; Coulibaly, S. ; Brecht, S. ; Hartnagel, H. L. (2000)
Technology of integrated application specific GaAs flow sensors.
Konferenzveröffentlichung, Bibliographie

Sydlo, Cezary ; Mottet, B. ; Schuessler, M. ; Brandt, M. ; Hartnagel, H. L. (2000)
A method for HBT process control and defect detection using pulsed electrical stress.
Konferenzveröffentlichung, Bibliographie

Bozzi, M. ; Saglam, M. ; Rodriguez-Girones, M. ; Perregrini, L. ; Hartnagel, H. L. (2000)
A new evolutionary approach for the analysis and optimization of THz nonlinear circuits.
Konferenzveröffentlichung, Bibliographie

Miranda-Pantoja, J. M. ; Lin, C. I. ; Shalaan, M. ; Hartnagel, H. L. ; Sebastian, J. L. (1999)
Influence of the minimization of self-scattering events on the Monte Carlo simulation of carrier transport in III-V semiconductors.
In: Semiconductor science and technology, 14 (9)
doi: 10.1088/0268-1242/14/9/310
Artikel, Bibliographie

Ichizli, Victoria M. ; Vogt, Alexander ; Sigurdardottir, A. ; Tiginyanu, I. M. ; Hartnagel, H. L. (1999)
Tunneling spectroscopy of AlAs and InSb interfaces in InAs/AlSb heterostructures.
In: Semiconductor science and technology, 14 (2)
doi: 10.1088/0268-1242/14/2/007
Artikel, Bibliographie

Hillenbrand, Joachim ; Angert, N. ; Hartnagel, H. L. ; Neumann, R. (1999)
Depolarization RADII of latent heavy-ion tracks in poly(vinylidene fluoride).
Report, Bibliographie

Mier, A. ; Pascual, J. P. ; Beilenhoff, K. ; Rheinfelder, C. ; Luy, J. F. ; Hartnagel, H. L. (1999)
Design of a 38 GHz small signal amplifier for a coplanar Si/SiGe MMIC technology process.
Konferenzveröffentlichung, Bibliographie

Berberich, Stephan ; Godignon, P. ; Millan, J. ; Planson, D. ; Hartnagel, H. L. ; Senses, A. (1999)
Electrical characterisation of MNOS devices on p-type 6H-SiC.
In: Diamond and related materials, 8
Artikel, Bibliographie

Berberich, Stephan ; Godignon, P. ; Morvan, E. ; Fonseca, L. ; Millan, J. ; Hartnagel, H. L. (1999)
Electrical characterisation of Si3N4/SiO2 double layers on p-type 6H-SiC.
Konferenzveröffentlichung, Bibliographie

Facsko, S. ; Dekorsy, T. ; Trappe, C. ; Kurz, H. ; Vogt, Alexander ; Hartnagel, H. L. (1999)
Formation of ordered nanoscale semiconductor dots by ion sputtering.
In: American Association for Advance of Science, 285
Artikel, Bibliographie

Micheel, Lutz ; Sigurdardottir, A. ; Hartnagel, H. L. ; Mutamba, K. (1999)
GaAs- and InP-based technologies of resonant tunneling devices.
Konferenzveröffentlichung, Bibliographie

Lal, K. ; Goswami, N. ; Miao, J. ; Hartnagel, H. L. (1999)
High-resolution X-ray diffraction study of free-standing gallium arsenide coiled membrane force sensors produced by micromachining.
Konferenzveröffentlichung, Bibliographie

Matulionis, A. ; Aninkevicius, V. ; Liberis, J. ; Matulioniene, I. ; Berntgen, J. ; Heime, K. ; Hartnagel, H. L. (1999)
Hot-electron energy relaxation , noise, and lattice strain in InGaAs quantum well channels.
In: Applied physics letters, 74
Artikel, Bibliographie

Beilenhoff, Klaus ; Mutamba, K. ; Simon, A. ; Hartnagel, H. L. (1999)
III-V Semiconductor structuring for mm and sub-mm waves.
Konferenzveröffentlichung, Bibliographie

Wischmeyer, Frank ; Niemann, E. ; Hartnagel, H. L. (1999)
Improvements of the SiC homoepitaxy process in a horizont cold-wall CVD reactor.
In: Journal of electronic materials, 28
Artikel, Bibliographie

Pfeiffer, Joachim ; Riemenschneider, R. ; Mutamba, K. ; Peerlings, J. ; Afshar, B. E. ; Baaser, Herbert ; Grunert, D. ; Meissner, P. ; Hartnagel, H. L. (1999)
Indium phosphide based bulked micromachining technology for micromechanically tunable WDM filter applications.
Konferenzveröffentlichung, Bibliographie

Mutamba, Kabula ; Sigurdardottir, A. ; Vogt, Alexander ; Pfeiffer, J. ; Behner, U. ; Di Carlo, A. ; Hartnagel, H. L. (1999)
Micromachined pressure sensors with AlGaAs/GaAs- and InAs/AlSb/GaSb-resonant tunneling diodes.
Konferenzveröffentlichung, Bibliographie

Hillenbrand, Joachim ; Angert, N. ; Hartnagel, H. L. ; Neumann, R. (1999)
NIM B beam interactions with materials and atoms.
In: Nuclear instruments and methods in physics research B, 151
Artikel, Bibliographie

Sigurdardottir, Anna ; Megej, A. ; Beilenhoff, K. ; Hartnagel, H. L. (1999)
Oscillator circuit-simulations using a novel, mathematically robust large-signal equivalent model for DBRTD.
Konferenzveröffentlichung, Bibliographie

Micheel, Lutz ; Sigurdardottir, A. ; Hartnagel, H. L. ; Mutamba, K. (1999)
Programmable HBT-Quantum dot structures for arithmetic MVL.
Konferenzveröffentlichung, Bibliographie

Tiginyanu, I. ; Ursaki, V. V. ; Raptis, Y. S. ; Stergiou, V. ; Anatassakis, E. ; Hartnagel, H. L. ; Vogt, Alexander ; Prevot, B. ; Schwab, C. (1999)
Raman modes in porous GaP under hydrostatic pressure.
In: Physica status solidi, 211
Artikel, Bibliographie

Lal, K. ; Goswami, N. ; Miao, J. ; Hartnagel, H. L. (1999)
Structural characterization of free-standing gallium arsenide coiled membranes produced by micromachining.
In: Journal of applied crystallography, 32
Artikel, Bibliographie

Shaalan, Mohamed ; Beilenhoff, K. ; Bozzi, M. ; Arcioni, P. ; Conciauro, G. ; Hartnagel, H. L. (1999)
Technology and results of quasi-optical multipliers.
Konferenzveröffentlichung, Bibliographie

Arcioni, P. ; Bozzi, M. ; Conciauro, G. ; Perregrini, L. ; Hartnagel, H. L. ; Shalaan, M. (1999)
An efficient algorithm for the analysis and optimization of quasi-optical frequency multipliers.
In: Atti della Fondazione Giorgio Ronchi, 54 (3-4)
Artikel, Bibliographie

Dehe, A. ; Beilenhoff, K. ; Fricke, A. ; Klingbeil, Harald ; Krozer, V. ; Hartnagel, H. L. (1999)
Microwave measurement.
In: J. G. Webster, editor, The Measurement, Instrumentation and Sensors Handbook, chapter 55.1-55.5. CRC Press, Boca Raton
Artikel, Bibliographie

Dehé, Alfons ; Peerlings, J. ; Pfeiffer, J. ; Riemenschneider, R. ; Vogt, A. ; Streubel, K. ; Künzel, H. ; Meißner, P. ; Hartnagel, H. L. (1998)
III-V Compound semiconductor micromachined actuators for long resonator tunable Fabry-Pérot detectors.
In: Sensors and Actuators A : Physical, 68 (1-3)
doi: 10.1016/S0924-4247(98)00071-5
Artikel, Bibliographie

Brandt, Michael ; Bachmann, V. ; Vogt, A. ; Fach, M. ; Mayer, K. ; Breuer, B. ; Hartnagel, H. L. (1998)
Highly sensitive AlGaAs/GaAs position sensors for measurement of tyre tread deformation.
In: Electronics Letters, 34 (8)
doi: 10.1049/el:19980520
Artikel, Bibliographie

Lin, Chih-I. ; Simon, A. ; Zhang, Jian ; Piironen, P. V. ; Möttönen, V. S. ; Hartnagel, H. L. ; Räisänen, A. V. (1998)
Anti-parallel planar Schottky diodes for subharmonically pumped mixer.
Konferenzveröffentlichung, Bibliographie

Arcioni, P. ; Bozzi, M. ; Conciauro, G. ; Hartnagel, H. L. ; Perregrini, L. ; Shaalan, M. ; Weinzierl, (1998)
Design and optimisation of quasi-optical frequency multipliers.
Konferenzveröffentlichung, Bibliographie

Peerlings, Joachim ; Riemenschneider, R. ; Strassner, M. ; Scheuer, V. ; Naveen Kumar, V. ; Mutamba, K. ; Pfeiffer, J. ; Herbst, S. ; Hartnagel, H. L. (1998)
In GaAs/InP Fabry-Pérot pin receiver for dense wavelength division multiplex systems.
Konferenzveröffentlichung, Bibliographie

Pfeiffer, Joachim ; Riemenschneider, R. ; Peerlings, J. ; Dehé, A. ; Mutamba, K. ; Meissner, P. ; Hartnagel, H. L. (1998)
InP bulk micromachined tunable Bragg mirrors for optical filter applications in WDM systems.
Konferenzveröffentlichung, Bibliographie

Sim, St. K. H. ; Li, E. H. ; Sigurdardottir, A. ; Mutamba, K. ; Hartnagel, H. L.
Hrsg.: Sharma, Anurag (1998)
Intersubband absorption in a typ-I interdiffused quantum-well infrared photodetector.
PHOTONICS´98: International Conference on Fiber Optics and Photonics. New Delhi, India (1998)
Konferenzveröffentlichung, Bibliographie

Miranda-Pantoja, J. M. ; Vogt, Alexander ; Schuessler, M. ; Shaalan, M. ; Matulionis, A. ; Sebastian, J. L. ; Hartnagel, H. L. (1998)
Microwave noise measurements on Al 0.3Ga 0.7As/GaAs channels grown by molecular beam epitaxy using As2 and As4.
In: Journal of semiconductor science and technology. 1998, H. 13, S. 833-836
Artikel, Bibliographie

Vogt, Alexander ; Simon, A. ; Weber, ; Hartnagel, H. L. ; Schikora, J. ; Buschmann, V. ; Fuess, H. (1998)
Non-annealed Ohmic contacts to p-GaSb grown by molecular beam epitaxy.
Konferenzveröffentlichung, Bibliographie

Arcioni, P. ; Conciauro, G. ; Perregrini, L. ; Bozzi, M. ; Shaalan, M. ; Hartnagel, H. L. (1998)
Numerical modeling of quasi-optical frequency multipliers.
Konferenzveröffentlichung, Bibliographie

Vogt, Alexander ; Simon, A. ; Hartnagel, H. L. ; Schikora, J. ; Buschmann, V. ; Rodewald, M. ; Fuess, H. ; Fascko, S. ; Koerdt, C. ; Kurz, H. (1998)
Ohmic contact formation mechanics of the PdGeAu system on n-type GaSb grown by molecular beam epitaxy.
In: Journal of Applied Physics, 83 (12)
Artikel, Bibliographie

Simon, Ansgar ; Lin, C. ; Rodriguez-Girones Arboli, Manuel ; Hartnagel, H. L. (1998)
Recent developments on Schottky diodes for THz applications.
Konferenzveröffentlichung, Bibliographie

Mutamba, Kabula ; Sigurdardottir, A. ; Vogt, Alexander ; Hartnagel, H. L. ; Li, E. H. (1998)
A comparative study of uniaxial pressure effects in intraband AlGaAs/GaAs and interband in As/AlSb/GaSb resonant tunneling diodes.
In: Applied physics letters. 72 (1998), H.13, S.1629-1631
Artikel, Bibliographie

Arslan, Deniz ; Dehé, A. ; Hartnagel, H. L. (1998)
A new concept of lateral GaAs field emitter for sensor applications.
Konferenzveröffentlichung, Bibliographie

Arcioni, P. ; Bozzi, M. ; Conciauro, G. ; Hartnagel, H. L. ; Perregrini, L. ; Shaalan, M. (1998)
A novel CAD-tool for the optimization of quasi-optical frequency multipliers.
Konferenzveröffentlichung, Bibliographie

DasGupta, A. ; Arslan, D. ; Sigurdardottir, A. ; Hartnagel, H. L. (1998)
A novel self-consistent simulator for current-density-voltage-characteristics of semiconductor field emitters.
In: Applied physicics letters. 72 (1998), H. 10, S. 1220-1222
Artikel, Bibliographie

Arslan, Deniz ; DasGupta, A. ; Flath, M. ; Hartnagel, H. L. (1998)
Fabrication and characterization of a GaAs field emission triode for low voltage operation at atmospheric pressure.
Eleventh International Vacuum Microelectronics Conference. IVMC'98. Asheville, NC, USA (19.-24.07.1998)
doi: 10.1109/IVMC.1998.728760
Konferenzveröffentlichung, Bibliographie

Dehe, A. ; Klingbeil, Harald ; Weil, C. ; Hartnagel, H. L. (1998)
Membrane-Supported Coplanar Waveguides for MMIC and Sensor Application.
In: IEEE Microwave and Guided Wave Letters, 8 (5)
Artikel, Bibliographie

Lin, Chih-I. ; Simon, A. ; Rodriguez-Girones, M. ; Hartnagel, H. L. ; Zimmermann, P. ; Zimmermann, R. (1997)
Substrateless Schottky diodes for THz applications.
Konferenzveröffentlichung, Bibliographie

Vogt, A. ; Brandt, M. ; Sigurdardottir, A. ; Schüssler, M. ; Pena, D. ; Simon, A. ; Hartnagel, H. L. ; Rodewald, M. ; Roesner, M. ; Fuess, H. ; Goswami, S. N. N. ; Lal, K. (1997)
Characterisation of degradation mechanisms in resonant tunnelling diodes.
In: Microelectronics Reliability, 37 (10-11)
doi: 10.1016/S0026-2714(97)00141-8
Artikel, Bibliographie

Brandt, Michael ; Schüßler, M. ; Parmeggiani, E. ; Lin, C. ; Simon, A. ; Hartnagel, H. L. (1997)
Thermal simulation and characterisation of the reliability of terahertz Schottky diodes.
In: Microelectronics Reliability, 37 (10-11)
doi: 10.1016/S0026-2714(97)00134-0
Artikel, Bibliographie

Grajal, J. ; Krozer, V. ; Gonzalez, P. ; Gismero, J. ; Maldonado, F. ; Lin, C. I. ; Simon, A. ; Hartnagel, H. L. (1997)
Characterization of Schottky diode performance by numerical simulation coupled with harmonic balance.
Konferenzveröffentlichung, Bibliographie

Behner, Ulrich ; Haug, R. ; Schütz, R. ; Hartnagel, H. L. (1997)
Characterization of anisotropically conductive adhesive interconnections by 1/f noise measurements.
In: IEEE transactions on components, packaging and manufacturing technology, part A, 21 (2)
doi: 10.1109/95.705470
Artikel, Bibliographie

Mutamba, Kabula ; Sigurdardottir, A. ; Hartnagel, H. L. (1997)
Concept of nanometric high density charge coupled devices.
Konferenzveröffentlichung, Bibliographie

Gottwald, P. ; Kräutle, ; Szentpali, B. ; Kincses, Z. ; Hartnagel, H. L. (1997)
Damage characterization of InP after reactive ion etching using the low-frequency noise measurement technique.
In: Solid state electronics, 41 (4)
Artikel, Bibliographie

Shaalan, Mohamed ; Bozzi, M. ; Arcioni, P. ; Perregrini, L. ; Weinzierl, J. ; Conciauro, G. ; Hartnagel, H. L. (1997)
Design of planar antenna array for quasi-optical frequency tripler.
Konferenzveröffentlichung, Bibliographie

Simon, Ansgar ; Lin, C. I. ; Hartnagel, H. L. ; Zimmermann, P. ; Zimmermann, R.
Hrsg.: Blundell, Raymond (1997)
Fabrication and optimization of planar Schottky diodes.
8. International Symposium on Space Terahertz Technology. Harvard Univ., Cambridge, Mass. (March 25 - 27, 1997)
Konferenzveröffentlichung, Bibliographie

Shaalan, Mohamed ; Bozzi, M. ; Weinzierl, J. ; Miranda, J. ; Vogt, Alexander ; Weber, J. ; Hartnagel, H. L. ; Conciauro, G. (1997)
First design of a 430 GHz quasioptical HBV tripler.
Konferenzveröffentlichung, Bibliographie

Peerlings, Joachim ; Dehé, A. ; Tilsch, M. ; Hebeler, C. ; Langenhan, F. ; Meißner, P. ; Hartnagel, H. L. (1997)
GaAs/AlAs micromachined tunable Fabry-Pérot filters for dense wavelength division multiplex systems.
Konferenzveröffentlichung, Bibliographie

Peerlings, Joachim ; Dehé, A. ; Vogt, Alexander ; Tilsch, M. ; Hebeler, C. ; Langenhan, F. ; Meißner, P. ; Hartnagel, H. L. (1997)
GaAs/AlAs micromachined tunable Fabry-Pérot filters with long resonant cavity.
Konferenzveröffentlichung, Bibliographie

Sigurdardottir, Anna ; Mutamba, K. ; Vogt, Alexander ; Hartnagel, H. L. (1997)
Investigation on the tunneling effect in stressed InAs/AlSb/GaSb-resonant-tunneling diodes.
Konferenzveröffentlichung, Bibliographie

Peerlings, Joachim ; Dehé, A. ; Vogt, Alexander ; Tilsch, M. ; Hebeler, C. ; Langenhan, F. ; Meißner, P. ; Hartnagel, H. L. (1997)
Long resonator micromachined tunable GaAs/AlAs Fabry-Pérot filter.
In: IEEE Photonics technology letters. 9 (1997), 9, S. 1235-1237
Artikel, Bibliographie

Tiginyanu, I. ; Irmer, G. ; Monecke, J. ; Hartnagel, H. L. (1997)
MicroRaman scattering study of surface-related phonon modes in porous GaP.
In: Physical review. B 55 (1997), S. 6739-6742
Artikel, Bibliographie

Liberis, J. ; Matulionis, A. ; Sakalas, P. ; Saltis, R. ; Dozsa, L. ; Szentpali, B. ; Tuyen, V. van ; Hartnagel, H. L. ; Mutamba, K. ; Sigurdardottir, A. ; Vogt, A. (1997)
Microwave noise in unipolar diodes with nanometric barriers.
International Conference on Noise in Physical Systems and 1/f Fluctuations. Leuven (14.-18. July 1997)
Konferenzveröffentlichung, Bibliographie

Mees, J. ; Ekstrom, H. ; Kollberg, E. L. ; Eleftheriades, G. V. ; Mosig, J. R. ; Räisänen, A. V. ; Piironen, P. ; Hartnagel, H. L. ; Simon, A. (1997)
Open structure integrated Schottky receiver for space applications.
Noordwijk
Konferenzveröffentlichung, Bibliographie

Tiginyanu, I. ; Irmer, G. ; Monecke, J. ; Vogt, Alexander ; Hartnagel, H. L. (1997)
Porosity-induced modification of the phonon spectrum of n-GaAs.
In: Semiconductor science technology. 12 (1997), S. 491-493
Artikel, Bibliographie

Lin, Chih-I. ; Krozer, V. ; Grajal, J. ; Simon, A. ; Hartnagel, H. L. (1997)
Schottky varactor diode optimation for frequency multipliers.
Konferenzveröffentlichung, Bibliographie

Mutamba, Kabula ; Sigurdardottir, A. ; Vogt, Alexander ; Hartnagel, H. L. (1997)
Stress effects in AlGaAs/GaAs and InAs/AlSb/GaSb RTDs for sensing applications.
Konferenzveröffentlichung, Bibliographie

Brandt, Michael ; Schüßler, M. ; Krozer, V. ; Grajal, J. ; Hartnagel, H. L. (1997)
Transmission line pulse based reliability investigations of HBTs.
Konferenzveröffentlichung, Bibliographie

Shaalan, Mohamed ; Bozzi, M. ; Beilenhoff, K. ; Conciauro, G. ; Hartnagel, H. L. ; Weinzierl, J. ; Rehm, G. ; Steup, D. ; Brand, H. (1997)
An antenna array for quasi-optical frequency multiplier applications.
Konferenzveröffentlichung, Bibliographie

Simon, Ansgar ; Lin, C. ; Rodriguez-Girones Arboli, Manuel ; Hartnagel, H. L. ; Zimmermann, P. ; Zimmermann, R. (1997)
Improvement of varactor diodes for submillimeterwave sources.
5th International Workshop on Terahertz Electronics. Grenoble, France (18.9.-19.9.1997)
Konferenzveröffentlichung, Bibliographie

Steinhagen, F. ; Hillmer, H. ; Lösch, R. ; Schlapp, W. ; Göbel, R. ; Kuphal, E. ; Hartnagel, H. L. ; Burkhard, H. (1996)
High-speed complex-coupled strain-compensated AlGaInAs/InP 1.5µm DFB laser diodes.
8th International Conference on Indium Phosphide and Related Materials. Schwäbisch Gmünd, Germany (21.-25.04.1996)
Konferenzveröffentlichung, Bibliographie

Berg, M. ; Hackbarth, T. ; Maile, B. E. ; Koßlowski, S. ; Dickmann, J. ; Kother, D. ; Hopf, B. ; Hartnagel, H. L. (1996)
Active circulator MMIC in GPW technology using quarter micron InAlAs/InGaAs/InP HFETs.
8. International Conference on Indium Phosphide and Related Materials. Schwäbisch Gmünd, Germany (21.-25.4.1996)
doi: 10.1109/ICIPRM.1996.491936
Konferenzveröffentlichung, Bibliographie

Lin, Chih-I. ; Simon, A. ; Hartnagel, H. L. (1996)
Fabrication of substrateless Whiskercontacted Schottky diodes for THz applications.
Konferenzveröffentlichung, Bibliographie

Dehé, Alfons ; Klingbeil, H. ; Krozer, V. ; Fricke, K. ; Beilenhoff, K. ; Hartnagel, H. L.
Hrsg.: Ranson, Richard G. (1996)
GaAs monolithic integrated microwave power sensor in coplanar waveguide technology.
IEEE MTT-S International Microwave Symposium. San Francisco, Calif. (June 17 - 21, 1996)
Konferenzveröffentlichung, Bibliographie

Aller, Ingo ; Lang, C. ; Schweeger, G. ; Hartnagel, H. L. ; Dolt, R. ; Hohenberg, Günter (1996)
Gallium arsenide piezotransistor for dynamic pressure measurements at high temperatures.
In: Applied Physics Letters, 69 (3)
doi: 10.1063/1.118075
Artikel, Bibliographie

Micheel, Lutz ; Hartnagel, H. L. (1996)
Interband RTDs with nanoelectronic HBT-LED structures for multiple-valued computation.
Konferenzveröffentlichung, Bibliographie

Beilenhoff, Klaus ; Klingbeil, K. ; Hartnagel, H. L. (1996)
Parasitic effects of CPW discontinuities for MMIC applications.
Konferenzveröffentlichung, Bibliographie

Mutamba, Kabula ; Flath, ; Sigurdardottir, A. ; Vogt, Alexander ; Hartnagel, H. L. (1996)
Pressure effects in AlGaAs/GaAs resonant tunnelling diodes for applications in semiconductor sensors.
In: Lithunian journal of physics. 36 (1996), No. 6, S. 563-565
Artikel, Bibliographie

Mutamba, Kabula ; Flath, ; Vogt, Alexander ; Sigurdardottir, A. ; Dehé, A. ; Hartnagel, H. L. (1996)
Pressure sensors based on stress dependence of AlGaAs/GaAs RTD characteristics.
Konferenzveröffentlichung, Bibliographie

Aller, Ingo ; Hartnagel, H. L. (1996)
Selective area growth of InP by plasma assisted solid-source epitaxy.
In: Journal of electronic materials. 25 (1996), S. 421-424
Artikel, Bibliographie

Böttner, Th. ; Kräutle, H. ; Kuphal, E. ; Miethe, K. ; Hartnagel, H. L. (1996)
Surface- and sidewall-damage of InP-based optoelectronic devices during reactive ion etching using CH4/H2.
Konferenzveröffentlichung, Bibliographie

Mutamba, Kabula ; Sigurdardottir, A. ; Miao, J. ; Dehé, A. ; Aller, I. ; Hartnagel, H. L.
Hrsg.: Morante, J. R. (1996)
Uniaxial stress dependence of AlGaAs/GaAs RTD characteristics for sensor applications.
Micromechanics Europe Conference. Barcelona, Spain (1996)
Konferenzveröffentlichung, Bibliographie

Berg, M. ; Hackbarth, T. ; Maile, B. E. ; Dickmann, J. ; Guhl, R. ; Adelseck, B. ; Hartnagel, H. L. (1996)
W-band MMIC amplifiers based on quarter micron gate-length InP HEMTs and coplanar waveguides.
Schwäbisch Gmünd (21-25 April 1996)
doi: 10.1109/ICIPRM.1996.491937
Konferenzveröffentlichung, Bibliographie

Bellone, S. ; Rinaldi, N. ; Vitale, G. F. ; Cocorullo, G. ; Schweeger, G. ; Hartnagel, H. L. (1996)
A two-dimensional analytical model of homojunction GaAs BMFET structures.
In: Solid-state electronics, 39 (8)
doi: 10.1016/0038-1101(96)00031-7
Artikel, Bibliographie

Dehé, A. ; Krozer, V. ; Fricke, K. ; Klingbeil, H. ; Beilenhoff, K. ; Hartnagel, H. L. (1995)
Integrated microwave power sensor.
In: Electronic letters, 31 (25)
doi: 10.1049/el:19951506
Artikel, Bibliographie

Steinhagen, F. ; Hillmer, H. ; Lösch, R. ; Schlapp, W. ; Walter, H. ; Göbel, R. ; Kuphal, E. ; Hartnagel, H. L. ; Burkhard, H. (1995)
AlGaInAs/InP 1.5 My-m MQW DFB laser diodes exceeding 20GHz bandwidth.
In: Electronics Letters, 31 (4)
doi: 10.1049/el:19950212
Artikel, Bibliographie

Steinhagen, F. ; Hillmer, H. ; Hansmann, S. ; Mahrdiek, S. ; Lösch, R. ; Schlapp, W. ; Walter, H. ; Göbel, G. ; Dinges, H. W. ; Kuphal, E. ; Hartnagel, H. L. ; Burkhard, H. (1995)
AlGaInAs/InP 1.5 My-m DFB laser diodes for high capacity transmission modules.
10th International Conference on Integrated Optics and Optical Fibre Communication. Hong Kong (26.-30.06.1995)
Konferenzveröffentlichung, Bibliographie

Beilenhoff, Klaus ; Heinrich, ; Hartnagel, H. L. (1995)
Analysis of MIM series capacitances for coplanar MMICs.
Konferenzveröffentlichung, Bibliographie

Hinrikus, H. ; Krasavin, J. ; Beilenhoff, K. ; Hartnagel, H. L. (1995)
Calculation of microwave radiometric signal in multilayered biological tissue.
International Conference of the Engineering in Medicine and Biological Society. Montreal, QC, Canada (20-23 September 1995)
doi: 10.1109/IEMBS.1995.579840
Konferenzveröffentlichung, Bibliographie

Gottwald, P. ; Riemenschneider, R. ; Szentpali, B. ; Hartnagel, H. L. ; Kincses, Z. ; Ruszinko, M. (1995)
Comparison of photo- and plasma-assisted passivating process effects on GaAs devices by means of low-frequency noise measurements.
In: Solid state electronics, 38 (2)
doi: 10.1016/0038-1101(94)00100-T
Artikel, Bibliographie

Grüb, Andreas ; Lin, C, I, ; Hartnagel, H. L. (1995)
Electrolytic deposition techniques for the fabrication of submicron anodes.
6. International Symposium on Space Terahertz Technology. Pasadena, USA
Konferenzveröffentlichung, Bibliographie

Pirling, Thilo ; Fricke, ; Schüßler, ; Lee, ; Fuess, H. ; Hartnagel, H. L. (1995)
Investigations on Pd/In-based high temperature stable ohmic contacts on GaAs by x-ray reflectometry and diffractometry.
In: Materials science and engineering. B 29 (1995), S. 70-73
Artikel, Bibliographie

Hinrikus, H. ; Krasavin, J. ; Beilenhoff, K. ; Hartnagel, H. L. (1995)
Microwave radiometric input transfer function in multilayered biological tissue.
MEDICON 95. Jerusalem (1995)
Konferenzveröffentlichung, Bibliographie

Sigurdardottir, Anna ; Krozer, V. ; Hartnagel, H. L. (1995)
Modeling and design of InAs/AlSb-resonant tunneling diodes.
In: Applied physics letters. 67 (1995), No. 22, S. 3313-3315
Artikel, Bibliographie

Simon, Ansgar ; Shaalan, M. ; Grüb, Andreas ; Lin, C. I. ; Hartnagel, H. L. ; Steup, D. ; Brand, H. (1995)
Quasi-optical varactor arrays for frequency multiplication.
Konferenzveröffentlichung, Bibliographie

Aller, Ingo ; Hartnagel, H. L. (1995)
Selective growth of InP by plasma assisted solid-source epitaxy.
Konferenzveröffentlichung, Bibliographie

Grajal, J. ; Krozer, V. ; Hartnagel, H. L. ; Gismero, J. (1995)
Simulation of the influence of interface states on HBTs.
Konferenzveröffentlichung, Bibliographie

Grüb, Andreas ; Simon, A. ; Krozer, V. ; Lin, C.-I. ; Shaalan, M. ; Beilenhoff, K. ; Sigurdardottir, A. ; Hartnagel, H. L. (1995)
Terahertz research at TH Darmstadt.
Third International Workshop on Terahertz Electronics. Zermatt, Schweiz (Aug. 30-31, 1995)
Konferenzveröffentlichung, Bibliographie

Pirling, Thilo ; Fuess, H. ; Hartnagel, H. L. ; Rück, (1994)
Investigations on Pd/In metallisations on GaAs.
In: Gesellschaft für Schwerionenforschung: Scientific report 1994
Buchkapitel, Bibliographie

Beilenhoff, K. ; Klingbeil, Harald ; Heinrich, W. ; Hartnagel, H. L. (1993)
Open and Short Circuits in Coplanar MMIC�s.
In: IEEE Transactions on Microwave Theory and Techniques, 41 (9)
Artikel, Bibliographie

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