2023

Sanjari, Mohammad Shahab (2023)
Novel Diode Structures Based on Polar and Non-polar III-Nitride Semiconductors.
Technische Universität Darmstadt
doi: 10.26083/tuprints-00023080
Masterarbeit, Erstveröffentlichung, Verlagsversion

2020

Maune, Holger (2020)
Reconfigurable microwave systems based on functional materials.
Technische Universität Darmstadt
Habilitation, Bibliographie

2019

Jumaah, A. ; Al-Daffaie, S. ; Yilmazoglu, O. ; Küppers, F. ; Kusserow, T. (2019)
Interdigital Multilayer-Graphene Nanoelectrodes for Continuous Wave Terahertz photomixers.
2019 European Microwave Conference in Central Europe (EuMCE). Prague, Czech RepublicPrague, Czech Republic (13.05.2019-15.05.2019)
Konferenzveröffentlichung, Bibliographie

Jumaah, Alaa ; Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Küppers, Franko ; Kusserow, Thomas (2019)
Interdigital Multilayer-Graphene Nanoelectrodes for Continuous Wave Terahertz photomixers.
The European Microwave Conference in Central Europe EuMCE. Prague, Czech Republic (13.05.2019-15.05.2019)
Konferenzveröffentlichung, Bibliographie

2018

Sirkeli, Vadim P. ; Yilmazoglu, Oktay ; Hajo, Ahid S. ; Nedeoglo, Natalia D. ; Nedeoglo, Dmitrii D. ; Preu, Sascha ; Küppers, Franko ; 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, 12 (2)
doi: 10.1002/pssr.201700418
Artikel, Bibliographie

Steblova, O. ; Evtukh, A. ; Yilmazoglu, O. ; Yukhymchuk, V. ; Hartnagel, H. ; Mimura, H. (2018)
Photofield emission from SiGe nanoislands under green light illumination.
In: Opto-Electronics Review, 26 (1)
doi: 10.1016/j.opelre.2017.11.003
Artikel, Bibliographie

2017

Yilmazoglu, O. ; Hajo, A. S. ; Küppers, F. (2017)
Cabon nanotube yarns as miniature black-body radiator for broadband terahertz emission.
2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
doi: 10.1109/IRMMW-THz.2017.8066966
Konferenzveröffentlichung, Bibliographie

Hajo, A. S. ; Yilmazoglu, O. ; Küppers, F. (2017)
Vertical nanowire contacted THz Schottky detectors based on gallium arsenide for zero-bias operation.
2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
doi: 10.1109/IRMMW-THz.2017.8067022
Konferenzveröffentlichung, Bibliographie

Jumaah, Alaa ; Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Küppers, Franko (2017)
Graphene—Nanowire hybrid photomixer for continuous-wave terahertz generation.
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2017 42nd International Conference on.
Konferenzveröffentlichung, Bibliographie

Sirkeli, Vadim P. ; Yilmazoglu, Oktay ; Al-Daffaie, Shihab ; Oprea, Ion ; Ong, Duu Sheng ; Küppers, Franko ; Hartnagel, Hans L. (2017)
Resonant tunneling transport in Zn x Be 1-x Se/ZnSe/Zn y Be 1-y Se asymmetric quantum structures.
Nanotechnology VIII.
Konferenzveröffentlichung, Bibliographie

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

2016

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 (12.09.2016-16.09.2016)
Konferenzveröffentlichung, Bibliographie

Hajo, A. S. ; Al-Daffaie, S. ; Yilmazoglu, O. ; Haidar, M. T. ; Küppers, F. (2016)
Zero-bias Schottky diode based THz detectors at room temperature using metallic nanowire.
2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz).
Konferenzveröffentlichung, Bibliographie

Haidar, M. T. ; Al-Daffaie, S. ; Yilmazoglu, O. ; Hajo, A. S. ; Küppers, F. (2016)
CW THz photomixers at 850 nm and 1550 nm using dielectrophoretic alignment of Ag-nanowire.
2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz).
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, O. ; Yadav, S. ; Cicek, D. ; Schneider, J. J. (2016)
A nano-microstructured artificial-hair-cell-type sensor based on topologically graded 3D carbon nanotube bundles.
In: Nanotechnology, 27 (36)
Artikel, Bibliographie

Sirkeli, Vadim P. ; Yilmazoglu, Oktay ; Al-Daffaie, Shihab ; Oprea, Ion ; Ong, Duu Sheng ; Küppers, Franko ; 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, 50 (3)
Artikel, Bibliographie

2015

Yadav, S. ; Cicek, D. ; Schneider, J. ; Yilmazoglu, O. (2015)
Federsensorelement.
Norm, Patent, Standard, 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 (21.11.2015-24.11.2015)
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

Jin, Chong (2015)
GaN Schottky diodes for signal generation and control.
Technische Universität Darmstadt
Dissertation, Erstveröffentlichung

Al-Daffaie, S. ; Yilmazoglu, O. ; Küppers, F. ; Hartnagel, H. (2015)
Fully integrated vertical nanocontact photomixer for continuous-wave terahertz generation.
40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz).
Konferenzveröffentlichung, Bibliographie

Evtukh, Anatoliy ; Hartnagel, Hans ; Yilmazoglu, Oktay ; Mimura, Hidenori ; Pavlidis, Dimitris (2015)
Quantum Electron Sources for High Frequency Applications.
Buch, 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

Sirkeli, Vadim P. ; Yilmazoglu, Oktay ; Küppers, Franko ; 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, 30 (065005)
Artikel, 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

Sirkeli, Vadim P. ; Yilmazoglu, Oktay ; Küppers, Franko ; 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, 9 (6)
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

2014

Yilmazoglu, Oktay ; Evtukh, Anatoli ; Al-Daffaie, Shihab ; Biethan, Jens-Peter ; Pavlidis, Dimitris ; Litovchenko, Vladimir ; Hartnagel, Hans L. (2014)
Electron field emission from nanostructured semiconductors under photo illumination.
In: Turkish Journal of Physics, 38 (3)
Artikel, Bibliographie

Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Küppers, Franko ; Hartnagel, Hans (2014)
Single nanowire photomixer for reliable and high frequency continuous wave terahertz generation.
Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2014 39th International Conference on.
Konferenzveröffentlichung, 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

2013

Yilmazoglu, Oktay (2013)
GaN-based Gunn diodes and functional field emitters for high frequency signal generation and carbon nanotube sensors.
Technische Universität Darmstadt
Habilitation, Bibliographie

Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Küppers, Franko ; Hartnagel, Hans (2013)
Graphene LTG-GaAs photomixer for reliable continuous wave terahertz generation.
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on.
Konferenzveröffentlichung, Bibliographie

2012

Schönherr, Daniel (2012)
Untersuchung breitbandiger THz-Komponenten: Schottkydetektoren und photokonduktive Elemente.
Technische Universität Darmstadt
Dissertation, Erstveröffentlichung

Schneider, Jörg J. ; Schlaak, Helmut F. ; Pavlidis, Dimitris ; Küppers, Franko ; Ensinger, Wolfgang (2012)
Elektromechanische Sensoren mit eindimensionalen Nanoobjekten.
Konferenzveröffentlichung, Bibliographie

Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Küppers, Franko ; Hartnagel, Hans (2012)
INVITED Nanogrid-based vertically integrated photomixer for continuous wave terahertz generation.
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Al-Daffaie, Shihab ; Hartnagel, Hans L. ; Joshi, R. ; Yadav, S. ; Schneider, J. J. ; Nick, C. ; Thielemann, C. (2012)
CNT photocathodes based on GaAs high-frequency photoswitches.
Vacuum Nanoelectronics Conference (IVNC), 2012 25th International.
Konferenzveröffentlichung, Bibliographie

2003

Hsu, S. S. H. ; Pavlidis, Dimitris (2003)
A comparison of low frequency noise characteristics and noise sources in NPN and PNP InP-based heterojunction bipolar transistors.
In: IEEE Transactions on Electron Devices, 50 (9)
doi: 10.1109/TED.2003.815367
Artikel, Bibliographie

2001

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

1997

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

1996

Krozer, Viktor ; Ruppert, Markus ; Schüßler, Martin ; Fricke, Klaus ; Lee, Woo-Yong ; Hartnagel, Hans L. (1996)
Calculation of the power capabilities of HBT amplifiers based on a new physical HBT model.
In: International Journal of Microwave and Millimeter-Wave Computer-Aided Engineering, 6 (4)
doi: 10.1002/(SICI)1522-6301(199607)6:4<270::AID-MMCE6>3.0.CO;2-R
Artikel, Bibliographie

1995

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. ; 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 (26.06.1995-30.06.1995)
Konferenzveröffentlichung, Bibliographie