Lista publicaţiilor: Hartnagel Hans Ludwig - 71

Resonant Tunneling and Quantum Cascading for Optimum Room-Temperature Generation of THz Signals

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Ong Duu Sheng , Preu Sascha, Kuppers Franko, Hartnagel Hans Ludwig

1 Comrat State University, 2 Technical University Darmstadt, 3 Multimedia University

IEEE Transactions on Electron Devices

Nr. 8(64) / 2017 / ISSN - / ISSNe 0018-9383

Disponibil online 6 September, 2018

-----------------------------------------------------------------------------------------------------------------------------------

Resonant Tunneling and Quantum Cascading for Optimum Room-Temperature Generation of THz Signals

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Ong Duusheng, Preu Sascha, Kuppers Franko, Hartnagel Hans Ludwig

1 Comrat State University, 2 Technical University Darmstadt, 3 Multimedia University

Indian Journal of Physics

Nr. 8(91) / 2017 / ISSN 0973-1458

Disponibil online 15 February, 2018

-----------------------------------------------------------------------------------------------------------------------------------

Resonant tunneling transport in ZnxBe1-xSe/ZnSe/ZnyBe1-ySe asymmetric quantum structures

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Al-Daffaie S., Oprea I., Ong Duu Sheng , Kuppers Franko, Hartnagel Hans Ludwig

1 Technical University Darmstadt, 2 Multimedia University

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

-----------------------------------------------------------------------------------------------------------------------------------

Room-Temperature THz Generation for II-VI Semiconductor Quantum Structures

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Kuppers Franko, Hartnagel Hans Ludwig

1 Technical University Darmstadt, 2 Comrat State University

Multidisciplinarity in Modern Science for the Benefit of Society

2017. Chișinău, Republica Moldova. Inst. de Fizică Aplicată. 35-36.

Disponibil online 16 March, 2018

-----------------------------------------------------------------------------------------------------------------------------------

Efficiency enhancement of InGaN/GaN light-emitting diodes with pin-doped GaN quantum barrier

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Al-Daffaie S., Oprea I., Ong Duu Sheng , Kuppers Franko, Hartnagel Hans Ludwig

1 Technical University Darmstadt, 2 Multimedia University

Journal of Physics D: Applied Physics

Nr. / 2017 / ISSN 0022-3727 / ISSNe 1361-6463

Disponibil online 21 February, 2023

-----------------------------------------------------------------------------------------------------------------------------------

Design of monolithic broadband terahertz source or the detection of explosive materials

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Kuppers Franko, Hartnagel Hans Ludwig

1 Comrat State University, 2 Technical University Darmstadt

Ştiinţă, educaţie, cultură

Vol.2. 2017. Comrat. Universitatea de Stat din Comrat. 425-430.

Disponibil online 23 December, 2018

-----------------------------------------------------------------------------------------------------------------------------------

Effect of ge delta-doping of the Gan barrier on the performance of Ingan/Gan light-emitting diodes

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Moskalenko Evgenii S., Kuppers Franko, Hartnagel Hans Ludwig

1 Comrat State University, 2 Technical University Darmstadt, 3 V.N.Karazin Kharkiv Natsonal University

Ştiinţă, educaţie, cultură

Vol.2. 2017. Comrat. Universitatea de Stat din Comrat. 330-331.

Disponibil online 4 March, 2019

-----------------------------------------------------------------------------------------------------------------------------------

Efficiency enhancement of ingan/gan leds with mg-si co-doped gan quantum barrier

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Kuppers Franko , Hartnagel Hans Ludwig

1 Universitatea de Stat din Comrat, 2 Universitatea Tehnică, Darmstadt

Проблемы и вызовы экономики региона в условиях глобализации

Ediția 3. 2017. Comrat, Republica Moldova. Tipografia "A & V Poligraf". 222-228.

Disponibil online 30 January, 2019

-----------------------------------------------------------------------------------------------------------------------------------

1.33 THz room-temperature quantum cascade lasers based on ZnMgSe/ZnSe

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Al-Daffaie S., Preu Sascha, Kuppers Franko, Hartnagel Hans Ludwig

1 Technical University Darmstadt, 2 Comrat State University

International Conference on Infrared, Millimeter, and Terahertz Waves

Ediția a 42-a. 2017. Washington, D.C., Statele Unite. IEEE Computer Society. 0-0.

Disponibil online 22 February, 2023

-----------------------------------------------------------------------------------------------------------------------------------

2016 - 2

Enhanced efficiency of p-GaN/n-ZnO light-emitting devices by inserting nickel oxide interlayer. (invited paper)

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Kuppers Franko, Hartnagel Hans Ludwig

1 Comrat State University, 2 Technical University Darmstadt

Ştiinţă, educaţie, cultură

Vol.1. 2016. Комрат. Tipografia "A & V Poligraf". 542-547.

Disponibil online 12 October, 2021

-----------------------------------------------------------------------------------------------------------------------------------

Effect of Si-doping of the GaN barrier on the internal quantum efficiency of InGaN/GaN light-emitting diodes

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Al-Daffaie S., Oprea I., Ong Duu Sheng , Kuppers Franko, Hartnagel Hans Ludwig

1 Institute for Microwave Engineering and Photonics Darmstadt University of Technology Darmstadt, 2 Multimedia University

Materials Science and Condensed Matter Physics

Editia 8. 2016. Chişinău. Institutul de Fizică Aplicată. 276-276.

Disponibil online 2 August, 2019

-----------------------------------------------------------------------------------------------------------------------------------

2015 - 3

Effect of p-NiO and n-ZnSe interlayers on the efficiency of p-GaN/n-ZnO light-emitting diode structures

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Kuppers Franko, Hartnagel Hans Ludwig

1 Technical University Darmstadt, 2 Moldova State University, 3 Comrat State University

Semiconductor Science and Technology

Nr. / 2015 / ISSN 0268-1242

Disponibil online 17 May, 2023

-----------------------------------------------------------------------------------------------------------------------------------

Effect of p-NiO interlayer on internal quantum efficiency of p-GaN/n-ZnO light-emitting devices

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Kuppers Franko, Hartnagel Hans Ludwig

1 Technical University Darmstadt, 2 Moldova State University, 3 Comrat State University

Journal of Nanoelectronics and Optoelectronics

Nr. / 2015 / ISSN 1555-130X

Disponibil online 17 May, 2023

-----------------------------------------------------------------------------------------------------------------------------------

Effect of N-ZNSE interlauer on internal guantum efficiency of P-GAN/N – ZNO led levices

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Kuppers Franko, Hartnagel Hans Ludwig

1 Institute for Microwave Engineering and Photonics Darmstadt University of Technology Darmstadt, 2 Moldova State University, 3 Comrat State University

Știință, educație, cultura

Vol.2. 2015. Комрат. Tipografia "A & V Poligraf". 475-477.

Disponibil online 30 September, 2022

-----------------------------------------------------------------------------------------------------------------------------------

2014 - 1

Effect of p-NiO interlayer on efficiency of p-GaN/n-ZnO LED devices

Sirkeli Vadim Piotr, Yilmazoglu Oktay , Kuppers Franko, Hartnagel Hans Ludwig

1 Institute for Microwave Engineering and Photonics Darmstadt University of Technology Darmstadt, 2 Moldova State University, 3 Comrat State University

Microelectronics and Computer Science

Ediția 8. 2014. Chișinău, Republica Moldova. Universitatea Tehnică a Moldovei. 78-81.

Disponibil online 11 April, 2019

-----------------------------------------------------------------------------------------------------------------------------------

2013 - 3

Terahertz-electronics with particular reference to security applications

Hartnagel Hans Ludwig

Technical University Darmstadt

Nanotechnologies and Biomedical Engineering

Editia 2. 2013. . Technical University of Moldova. 60-60.

Disponibil online 14 June, 2019

-----------------------------------------------------------------------------------------------------------------------------------

Nano-electronics with particular reference to medical applications

Hartnagel Hans Ludwig

Technical University Darmstadt

Nanotechnologies and Biomedical Engineering

Editia 2. 2013. . Technical University of Moldova. 16-16.

Disponibil online 14 June, 2019

-----------------------------------------------------------------------------------------------------------------------------------

Photoluminescence study of GaN thin films grown by MOCVD

Sirkeli Vadim Piotr, Biethan J.-P., Cho Eunjung , Considine Laurence , Yilmazoglu Oktay , Pavlidis Dimitris , Hartnagel Hans Ludwig

1 Comrat State University, 2 Technical University Darmstadt, 3 Moldova State University, 4 Boston University

Ştiinţă, educaţie, cultură

2013. Comrat. Universitatea de Stat din Comrat. 121-122.

Disponibil online 15 February, 2023

-----------------------------------------------------------------------------------------------------------------------------------

2012 - 2

CPPP 13 P Magnetic and luminescent properties of ZnSe:Mn crystals

Sirkeli Vadim Piotr, Nedeoglo Dumitru Damian, Nedeoglo Natalia Dumitru, Radevici Ivan, Sobolevskaya Raisa, Sushkevich Konstantin, Lähderanta Erkki, Lashkul Alexander V., Laiho Reino , Biethan J.-P., Yilmazoglu Oktay , Pavlidis Dimitris , Hartnagel Hans Ludwig

1 Moldova State University, 2 Comrat State University, 3 Lappeenranta University of Technology, 4 Wihuri Physical Laboratory, University of Turku, 5 Technical University Darmstadt, 6 Darmstadt University of Technology

Materials Science and Condensed Matter Physics

Editia 6. 2012. Chișinău, Republica Moldova. Institutul de Fizică Aplicată. 152-152.

Disponibil online 20 March, 2020

-----------------------------------------------------------------------------------------------------------------------------------

Photoluminescence study of ZnO nanostructures grown on silicon by MOCVD

Biethan J.-P., Sirkeli Vadim Piotr, Considine Laurence , Nedeoglo Dumitru Damian, Pavlidis Dimitris , Hartnagel Hans Ludwig

1 Technical University Darmstadt, 2 Moldova State University, 3 Comrat State University

Materials Science and Engineering B: Solid-State Materials for Advanced Technology

Nr. / 2012 / ISSN 0921-5107

Disponibil online 20 June, 2023

-----------------------------------------------------------------------------------------------------------------------------------

10203040501005001000