III-V Nanowires for Optoelectronics

Dr. Oliver Brandt

Senior Scientist

Core Research Area Coordinator

phone: +49 30 20377 332

room: 0535

email: brandt@pdi-berlin.de

 

Department: Semiconductor Spectroscopy

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

 

 

1 Author T. Auzelle , C. Sinito , J. Lähnemann , G. Gao , T. Flissikowski , A. Trampert , O. Brandt , S. Fernández-Garrido
Title

Interface recombination in Ga- and N-polar GaN/(Al,Ga)N quantum wells grown by molecular beam epitaxy

Source Phys. Rev. Appl. , 17 , 4 ( 2022 )
DOI : 10.1103/PhysRevApplied.17.044030 | Download arXiv: 2111.12969 | 3267 Cite : Bibtex RIS
T. Auzelle, C. Sinito, J. Lähnemann, G. Gao, T. Flissikowski, A. Trampert, O. Brandt, and S. Fernández-Garrido

2 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

3 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

4 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

5 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

6 Author G. Hoffmann , Zongzhe Cheng , O. Brandt , O. Bierwagen
Title

Drastically enhanced metal incorporation in the epitaxy of oxides from elemental sources due to suboxide formation and evaporation

Source APL Mater. , 9 , 111110 ( 2021 )
DOI : 10.1063/5.0058541 | Download: PDF | 3252 Cite : Bibtex RIS
G. Hoffmann, Zongzhe Cheng, O. Brandt, and O. Bierwagen

7 Author Hanno Küpers , Ryan B. Lewis , Pierre Corfdir , Michael Niehle , T. Flissikowski , H. T. Grahn , A. Trampert , O. Brandt , L. Geelhaar
Title

Drastic effect of sequential deposition resulting from flux directionality for the luminescence efficiency of nanowire shells

Source ACS Appl. Mater. Interfaces , 13 , 50220 ( 2021 )
DOI : 10.1021/acsami.1c12371 | Download arXiv: 2106.12309 | 3255 Cite : Bibtex RIS
Hanno Küpers, Ryan B. Lewis, Pierre Corfdir, Michael Niehle, T. Flissikowski, H. T. Grahn, A. Trampert, O. Brandt, and L. Geelhaar

8 Author T. Auzelle , M. Azadmand , T. Flissikowski , M. Ramsteiner , K. Morgenroth , C. Stemmler , S. Fernández-Garrido , S. Sanguinetti , H. T. Grahn , L. Geelhaar , O. Brandt
Title

Enhanced radiative efficiency in GaN nanowires grown on sputtered TiNx

Source ACS Photonics , 8 , 1718 ( 2021 )
DOI : 10.1021/acsphotonics.1c00224 | Download arXiv: 2001.06387 | 3166 Cite : Bibtex RIS
T. Auzelle, M. Azadmand, T. Flissikowski, M. Ramsteiner, K. Morgenroth, C. Stemmler, S. Fernández-Garrido, S. Sanguinetti, H. T. Grahn, L. Geelhaar, and O. Brandt

9 Author T. Auzelle , F. Ullrich , S. Hietzschold , C. Sinito , S. Brackmann , W. Kowalsky , E. Mankel , O. Brandt , R. Lovrincic , S. Fernández-Garrido
Title

External control of GaN band bending using phosphanate self-assembled monolayers

Source ACS Appl. Mater. Interfaces , 13 , 4626 ( 2021 )
DOI : 10.1021/acsami.0c17519 | Download arXiv: 2009.12089 | 3182 Cite : Bibtex RIS
T. Auzelle, F. Ullrich, S. Hietzschold, C. Sinito, S. Brackmann, W. Kowalsky, E. Mankel, O. Brandt, R. Lovrincic, and S. Fernández-Garrido

10 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

Contact

Dr. Lutz Geelhaar

Head of Department

+49 30 20377-359

geelhaar@pdi-berlin.de

Dr. Oliver Brandt

Senior Scientist

+49 30 20377-332

lab: -444

brandt@pdi-berlin.de