Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Yasemin Demirhan"'
Autor:
Sehriban Zeybek, Yasemin Demirhan, Aileen Noori, Halime Tugay, Hakan Altan, Cumali Sabah, Gulnur Aygun, Lutfi Ozyuzer
The metal to insulator transition (MIT) in vanadium dioxide (VO2) has played a key role in development of devices in the terahertz frequency range. In the present study, the use of VO2 patterned as a metamaterial surface or coupled as a homogeneous l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d364306211171331927c989b09b25d0e
https://doi.org/10.21203/rs.3.rs-2660132/v1
https://doi.org/10.21203/rs.3.rs-2660132/v1
Autor:
Renata Kruszka, John L. Reno, Merve Ekmekcioglu, Kamil Kosiel, Gulnur Aygun, Mehmet Ertugrul, Sina Rouhi, Mehtap Ozdemir, Yasemin Demirhan, Maciej Kozubal, Serap Yigen, Anna Szerling, Piotr Prokaryn, Lutfi Ozyuzer
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:15605-15614
The choice of metals, bonding conditions and interface purity are critical parameters for the performance of metal–metal bonding quality for quantum cascade lasers (QCLs). Here, we present a novel approach for the thermocompression bonding of Cu–
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f67c4b3fa0cf65ac63422b3d662f3a1a
https://doi.org/10.1007/s10854-021-06109-9
https://doi.org/10.1007/s10854-021-06109-9
Autor:
Mehtap Ozdemir, Zemzem Uyanik, Fulya Türkoğlu, H. Koseoglu, Lutfi Ozyuzer, Gulnur Aygun, Yasemin Demirhan
Publikováno v:
Renewable Energy. 146:1549-1559
International Conference on Photovoltaic Technologies (PVCon) -- JUL 04-06, 2018 -- Middle E Tech Univ, Culture & Convent Ctr, Ankara, Turkey
WOS: 000499762300011
In the present study, using a large area roll-to-roll DC magnetron sputtering
WOS: 000499762300011
In the present study, using a large area roll-to-roll DC magnetron sputtering
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09eafff8930e226556d68a72bdbee03a
https://doi.org/10.1016/j.renene.2019.07.038
https://doi.org/10.1016/j.renene.2019.07.038
Autor:
Zemzem Uyanik, Fulya Turkoglu, Hasan Koseoglu, Merve Ekmekcioglu, Bengu Ata, Yasemin Demirhan, Mehtap Ozdemir, Gulnur Aygun, Lutfi Ozyuzer
Publikováno v:
Journal of Vacuum Science & Technology B. 40:042204
Indium tin oxide/silver/indium tin oxide (ITO/Ag/ITO) multilayers have attracted much attention to fulfill the growing need for high-performance transparent conducting oxide electrodes. To make these transparent multilayers work better, electro-annea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::548e8800a1dc900b4b654958e73f09bc
https://doi.org/10.1116/6.0001868
https://doi.org/10.1116/6.0001868
Investigation of In-Gap Field Enhancement at Terahertz Frequencies for a Metasurface Enhanced Sensor
Publikováno v:
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
The arrangements of subwavelength inclusions in a metasurface can serve as an effective absorber for the terahertz region. When such an absorber is combined with a unique material, the absorption can induce effects that can lead to a change in the ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bbb43e336b51d576be4d91d5af5933d
https://doi.org/10.1109/cleo/europe-eqec52157.2021.9541734
https://doi.org/10.1109/cleo/europe-eqec52157.2021.9541734
Publikováno v:
Terahertz (THz), Mid Infrared (MIR) and Near Infrared (NIR) Technologies for Protection of Critical Infrastructures Against Explosives and CBRN ISBN: 9789402420814
High temperature superconductors have unique properties that can be useful in the THz region, single crystal constituted from superconducting CuO2-layers could sustain high voltages across the junctions and they are coupled through the intrinsic Jose
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a785a2c712e59b6210d496817fa00d60
https://doi.org/10.1007/978-94-024-2082-1_12
https://doi.org/10.1007/978-94-024-2082-1_12
Autor:
Hilal Döğer, Özge Sağlam, Aileen Noori, Yasemin Demirhan, Lutfi Ozyuzer, Gulnur Aygun, Mehtap Ozdemir
Publikováno v:
Microelectronic Engineering. :111526
In this study, we propose a new type of nanolithography procedure to fabricate orderly patterned metallic nanostructures using the electrohydrodynamic method and the reactive ion etching process. The electrohydrodynamic process parameters were tuned
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efb7e1cbb6e6a4477cf3b3c9df8e742a
https://doi.org/10.1016/j.mee.2021.111526
https://doi.org/10.1016/j.mee.2021.111526
Publikováno v:
Optical and Quantum Electronics. 49
Vanadium oxide (VOx) thin film has been widely used for IR detectors and it is one of the promising materials for THz detectors due to its high temperature coefficient of resistance (TCR) values. VOx films with proper TCR values have also high resist
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ad4ed4220aad07af8eaada69e97292a
https://doi.org/10.1007/s11082-017-1072-x
https://doi.org/10.1007/s11082-017-1072-x
Autor:
M. Akkaya, Hakan Altan, Hakan Alaboz, Lutfi Ozyuzer, Yasemin Demirhan, B. Mulla, Cumali Sabah, Mehmet Ali Nebioğlu
In this study, we present a new, unique fourcross shaped metamaterial terahertz (THz) filter fabricated from both gold thin films and YBa2Cu3O7-δ high Tc superconducting thin films. A commercial electromagnetic simulation software, CST Microwave Stu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f23cb756a53953f14dc3965dce2208c
http://hdl.handle.net/11147/6426
http://hdl.handle.net/11147/6426
Autor:
Yasemin Demirhan, M. Akkaya, Cumali Sabah, Hakan Altan, Lutfi Ozyuzer, Hurriyet Yuce, Gulnur Aygun
Publikováno v:
Scopus-Elsevier
5th International Conference on Photonics, Optics and Laser Technology (PHOTOPTICS); FEB 27-MAR 01, 2017; Porto, Portugal
Patterned and unpatterned films of vanadium oxide grown on dielectric substrates such as fused silica and sapphire were gro
Patterned and unpatterned films of vanadium oxide grown on dielectric substrates such as fused silica and sapphire were gro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c05ad3867edd86a8dce7e4639407bc95
https://doi.org/10.5220/0006268703340339
https://doi.org/10.5220/0006268703340339