Intersubband Emitters: GaAs-based Quantum-Cascade Lasers

Dr. Vladimir Kaganer

Senior Scientist

Vladimir Kaganer

phone: +49 30 20377 486

room: 0520

email: kaganer@pdi-berlin.de

 

Department: Microstructure

Core research areas: Nanoanalytics , III-V nanowires for optoelectronics

 

 

1 Author J. Lähnemann , V. M. Kaganer , K. K. Sabelfeld , A. E. Kireeva , U. Jahn , C. Chèze , R. Calarco , O. Brandt
Title

Carrier diffusion in GaN: A cathodoluminescence study. III: Nature of nonradiative recombination at threading dislocations

Source Phys. Rev. Appl. , 17 , 024019 ( 2022 )
DOI : 10.1103/PhysRevApplied.17.024019 | Download arXiv: 2009.14634 | 3213 Cite : Bibtex RIS
J. Lähnemann, V. M. Kaganer, K. K. Sabelfeld, A. E. Kireeva, U. Jahn, C. Chèze, R. Calarco, and O. Brandt

2 Author O. Brandt , V. M. Kaganer , J. Lähnemann , T. Flissikowski , C. Pfüller , K. K. Sabelfeld , A. E. Kireeva , C. Chèze , R. Calarco , H. T. Grahn , U. Jahn
Title

Carrier diffusion in GaN: A cathodoluminescence study. II: Ambipolar vs. exciton diffusion

Source Phys. Rev. Appl. , 17 , 024018 ( 2022 )
DOI : 10.1103/PhysRevApplied.17.024018 | Download arXiv: 2009.13983 | 3192 Cite : Bibtex RIS
O. Brandt, V. M. Kaganer, J. Lähnemann, T. Flissikowski, C. Pfüller, K. K. Sabelfeld, A. E. Kireeva, C. Chèze, R. Calarco, H. T. Grahn, and U. Jahn

3 Author U. Jahn , V. M. Kaganer , K. K. Sabelfeld , A. E. Kireeva , J. Lähnemann , C. Pfüller , C. Chèze , K. Biermann , R. Calarco , O. Brandt
Title

Carrier diffusion in GaN: A cathodoluminescence study. I: Temperature-dependent generation volume

Source Phys. Rev. Appl. , 17 , 024017 ( 2022 )
DOI : 10.1103/PhysRevApplied.17.024017 | Download arXiv: 2002.08713 | 3145 Cite : Bibtex RIS
U. Jahn, V. M. Kaganer, K. K. Sabelfeld, A. E. Kireeva, J. Lähnemann, C. Pfüller, C. Chèze, K. Biermann, R. Calarco, and O. Brandt

4 Author R. Volkov , N. Borgardt , O. Konovalov , S. Fernández-Garrido , O. Brandt , V. M. Kaganer
Title

Cross-sectional shape evolution of GaN nanowires during molecular beam epitaxy growth on Si(111)

Source Nanoscale Adv. , 4 , 562 ( 2022 )
DOI : 10.1039/d1na00773d | 3271 Cite : Bibtex RIS
R. Volkov, N. Borgardt, O. Konovalov, S. Fernández-Garrido, O. Brandt, and V. M. Kaganer

5 Author V. M. Kaganer , I. Petrov , L.Samoylova
Title

Resolution of a bent-crystal spectrometer for X-ray free electron laser pulses: diamond vs. silicon

Source Acta Cryst. A , 77 , 268 ( 2021 )
DOI : 10.1107/S2053273321003697 | 3209 Cite : Bibtex RIS
V. M. Kaganer, I. Petrov, and L.Samoylova

6 Author V. M. Kaganer , O. V. Konovalov , S. Fernández-Garrido
Title

Small-angle X-ray scattering from GaN nanowires on Si(111): facet truncation rods, facet roughness, and Porod’s law

Source Acta Cryst. A , 77 , 42 ( 2021 )
DOI : 10.1107/S205327332001548X | 3204 Cite : Bibtex RIS
V. M. Kaganer, O. V. Konovalov, and S. Fernández-Garrido

7 Author G. Calabrese , D. van Treeck , V. M. Kaganer , O. Konovalov , P. Corfdir , C. Sinito , L. Geelhaar , O. Brandt , S. Fernández-Garrido
Title

Radius-Dependent Homogeneous Strain in Uncoalesced GaN Nanowires

Source Acta Mat. , 195 , 87 ( 2020 )
DOI : 10.1016/j.actamat.2020.04.045 | 3147 Cite : Bibtex RIS
G. Calabrese, D. van Treeck, V. M. Kaganer, O. Konovalov, P. Corfdir, C. Sinito, L. Geelhaar, O. Brandt, and S. Fernández-Garrido

8 Author V. M. Kaganer , I. Petrov , L. Samoylova
Title

X-ray diffraction from strongly bent crystals and spectroscopy of XFEL pulses

Source Acta Cryst. A , 76 , 55 ( 2019 )
DOI : 10.1107/S2053273319014347 | 3095 Cite : Bibtex RIS
V. M. Kaganer, I. Petrov, and L. Samoylova

9 Author V. M. Kaganer , J. Lähnemann , C. Pfüller , K. K. Sabelfeld , A. E. Kireeva , O. Brandt
Title

Determination of the Carrier Diffusion Length in GaN from Cathodoluminescence Maps Around Threading Dislocations: Fallacies and Opportunities

Source Phys. Rev. Appl. , 12 , 054038 ( 2019 )
DOI : 10.1103/PhysRevApplied.12.054038 | Download arXiv: 1906.05645 | 3104 Cite : Bibtex RIS
V. M. Kaganer, J. Lähnemann, C. Pfüller, K. K. Sabelfeld, A. E. Kireeva, and O. Brandt

10 Author L. Samoylova , U. Boesenberg , A. Chumakov , V. M. Kaganer , I. Petrov , T. Roth , R. Rüffer , H. Sinn , S. Terentyev , A. Madsen
Title

Diffraction properties of a strongly bent diamond crystal used as a dispersive spectrometer for XFEL pulses

Source J. Synchrotron Rad. , 26 , 1069 ( 2019 )
DOI : 10.1107/S1600577519004880 | Download: PDF | 3144 Cite : Bibtex RIS
L. Samoylova, U. Boesenberg, A. Chumakov, V. M. Kaganer, I. Petrov, T. Roth, R. Rüffer, H. Sinn, S. Terentyev, and A. Madsen

Contact

Prof. Dr. Holger T. Grahn

Head of Department 

+49 30 20377-318

htgrahn@pdi-berlin.de

Dr. Lutz Schrottke

Senior Scientist

+49 30 20377-339

lutz@pdi-berlin.de