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Afiliat la Universitatea Tehnică, Darmstadt

2021 - 1

ZnSe-based ultraviolet photodetectors with hybrid Ag-nanowire and Ni/Au contacts
Sirkeli Vadim , Nedeoglo Natalia , Nedeoglo Dumitru , Yilmazoglu Oktay , Hajo Ahid S. , Preu Sascha , Kuppers Franko , Hartnagel Hans Ludwig
Integrare prin cercetare și inovare.Ştiinţe ale naturii și exacte
SNE. 2021. Chisinau, Republica Moldova. Centrul Editorial-Poligrafic al USM. 190-193.
Disponibil online 13 January, 2022
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2019 - 1

Negative differential resistance in ZnO-based resonant tunneling diodes
Sirkeli Vadim , Vatavu Sergiu , Yilmazoglu Oktay , Preu Sascha , Hartnagel Hans Ludwig
International Conference on Infrared, Millimeter, and Terahertz Waves IRMMW-THz 2019
Ediția 44. 2019. Washington. IEEE Computer Society. 0-0.
Disponibil online 15 March, 2023
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2018 - 5

Quantum electron transport in non-polar ZnMgO/ZnO structures
Sirkeli Vadim , Vatavu Sergiu , Yilmazoglu Oktay , Kuppers Franko , Hartnagel Hans Ludwig
Materials Science and Condensed Matter Physics
Ediția 9. 2018. Chișinău, Republica Moldova. Institutul de Fizică Aplicată. 329-329.
Disponibil online 15 February, 2019
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2.08 THz and 4.96 THz Room-Temperature Quantum Cascade Lasers Based on Non-Polar M-Plane ZnMgO/ZnO
Sirkeli Vadim , Yilmazoglu Oktay , Kuppers Franko , Hartnagel Hans Ludwig
International Conference on Infrared, Millimeter, and Terahertz Waves IRMMW-THz
Ediția a 43-a. 2018. Washington, D.C., Statele Unite. IEEE Computer Society. 0-0.
Disponibil online 10 June, 2021
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Design of monolithic broadband terahertz source or the detection of explosive materials
Sirkeli Vadim , Yilmazoglu Oktay , Kuppers Franko , Hartnagel Hans Ludwig
Ştiinţă, educaţie, cultură
Vol.1. 2018. Comrat, Republica Moldova. Universitatea de Stat din Comrat. 425-430.
Disponibil online 23 December, 2018
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Low-temperature near-band-edge photoluminescence of ZnSe(I):Sb crystals
Sirkeli Vadim , Suşchevici Constantin , Nedeoglo Natalia , Nedeoglo Dumitru , Yilmazoglu Oktay , Kuppers Franko , Hartnagel Hans Ludwig
Materials Science and Condensed Matter Physics
Ediția 9. 2018. Chișinău, Republica Moldova. Institutul de Fizică Aplicată. 188-188.
Disponibil online 7 February, 2019
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Enhanced Responsivity of ZnSe-Based Metal–Semiconductor–Metal Near-Ultraviolet Photodetector via Impact Ionization
Sirkeli Vadim , Yilmazoglu Oktay , Hajo Ahid S. , Nedeoglo Natalia , Nedeoglo Dumitru , Preu Sascha , Kuppers Franko , Hartnagel Hans Ludwig
Physica Status Solidi - Rapid Research Letters
Vol. 12, / 2018 / ISSN 1862-6254
Disponibil online 11 June, 2021
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2017 - 10

Efficiency enhancement of ingan/gan leds with mg-si co-doped gan quantum barrier
Sirkeli Vadim , Yilmazoglu Oktay , Kuppers Franko , Hartnagel Hans Ludwig
Проблемы и вызовы экономики региона в условиях глобализации
Ediția 3. 2017. Comrat, Republica Moldova. Tipogr. "A & V Poligraf. 222-228.
Disponibil online 30 January, 2019
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Room-temperature negative differential resistance in Znse-based terahertz quantum cascade structures (invited paper)
Sirkeli Vadim , Yilmazoglu Oktay , Kuppers Franko , Hartnagel Hans Ludwig
Ştiinţă, educaţie, cultură
Vol.2. 2017. Comrat. Universitatea de Stat din Comrat. 328-330.
Disponibil online 4 March, 2019
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Room-Temperature THz Generation for II-VI Semiconductor Quantum Structures
Sirkeli Vadim , Yilmazoglu Oktay , Kuppers Franko , Hartnagel Hans Ludwig
Multidisciplinarity in Modern Science for the Benefit of Society
2017. Chișinău, Republica Moldova. Inst. de Fizică Aplicată. 35-36.
Disponibil online 16 March, 2018
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Effect of ge delta-doping of the Gan barrier on the performance of Ingan/Gan light-emitting diodes
Sirkeli Vadim , Yilmazoglu Oktay , Moskalenko Evgenii , Kuppers Franko , Hartnagel Hans Ludwig
Ştiinţă, educaţie, cultură
Vol.2. 2017. Comrat. Universitatea de Stat din Comrat. 330-331.
Disponibil online 4 March, 2019
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1.33 THz room-temperature quantum cascade lasers based on ZnMgSe/ZnSe
Sirkeli Vadim , Yilmazoglu Oktay , Al-Daffaie S. , Preu Sascha , Kuppers Franko , Hartnagel Hans Ludwig
International Conference on Infrared, Millimeter, and Terahertz Waves IRMMW-THz
Ediția a 42-a. 2017. Washington, D.C., Statele Unite. IEEE Computer Society. 0-0.
Disponibil online 22 February, 2023
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Resonant Tunneling and Quantum Cascading for Optimum Room-Temperature Generation of THz Signals
Sirkeli Vadim , Yilmazoglu Oktay , Ong Duu Sheng , Preu Sascha , Kuppers Franko , Hartnagel Hans Ludwig
IEEE Transactions on Electron Devices
Nr. 8(64) / 2017 / ISSN / ISSNe 0018-9383
Disponibil online 6 September, 2018
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Efficiency enhancement of InGaN/GaN light-emitting diodes with pin-doped GaN quantum barrier
Sirkeli Vadim , Yilmazoglu Oktay , Al-Daffaie S. , Oprea Ion , Ong Duu Sheng , Kuppers Franko , Hartnagel Hans Ludwig
Journal of Physics D: Applied Physics
Vol. 50, / 2017 / ISSN 0022-3727 / ISSNe 1361-6463
Disponibil online 21 February, 2023
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Resonant Tunneling and Quantum Cascading for Optimum Room-Temperature Generation of THz Signals
Sirkeli Vadim , Yilmazoglu Oktay , Ong Duusheng , Preu Sascha , Kuppers Franko , Hartnagel Hans Ludwig
Indian Journal of Physics
Nr. 8(91) / 2017 / ISSN 0973-1458
Disponibil online 15 February, 2018
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Room-temperature terahertz emission from ZnSe-based quantum cascade structures: A simulation study
Sirkeli Vadim , Yilmazoglu Oktay , Kuppers Franko , Hartnagel Hans Ludwig
Physica Status Solidi - Rapid Research Letters
Vol. 11, / 2017 / ISSN 1862-6254
Disponibil online 22 February, 2023
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Resonant tunneling transport in ZnxBe1-xSe/ZnSe/ZnyBe1-ySe asymmetric quantum structures
Sirkeli Vadim , Yilmazoglu Oktay , Al-Daffaie S. , Oprea Ion , Ong Duu Sheng , Kuppers Franko , Hartnagel Hans Ludwig
Proceedings of SPIE - The International Society for Optical Engineering
Ediția 8, Vol.10248. 2017. Bellingham, Washington USA. SPIE. 1-8.
Disponibil online 22 February, 2023
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2016 - 1

Enhanced efficiency of p-GaN/n-ZnO light-emitting devices by inserting nickel oxide interlayer. (invited paper)
Sirkeli Vadim , Yilmazoglu Oktay , Kuppers Franko , Hartnagel Hans Ludwig
Ştiinţă, educaţie, cultură
Vol.1. 2016. Комрат. (Tipogr. "A & V Poligraf"). 542-547.
Disponibil online 12 October, 2021
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2015 - 2

Effect of p-NiO and n-ZnSe interlayers on the efficiency of p-GaN/n-ZnO light-emitting diode structures
Sirkeli Vadim , Yilmazoglu Oktay , Kuppers Franko , Hartnagel Hans Ludwig
Semiconductor Science and Technology
Vol. 30, / 2015 / ISSN 0268-1242
Disponibil online 17 May, 2023
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Effect of p-NiO interlayer on internal quantum efficiency of p-GaN/n-ZnO light-emitting devices
Sirkeli Vadim , Yilmazoglu Oktay , Kuppers Franko , Hartnagel Hans Ludwig
Journal of Nanoelectronics and Optoelectronics
Vol. 9, / 2015 / ISSN 1555-130X
Disponibil online 17 May, 2023
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