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 | 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 |
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Source | Acta Mat. , 195 , 87 ( 2020 ) | |
DOI : 10.1016/j.actamat.2020.04.045 | Cite : Bibtex RIS |
2 | Author | M. Azadmand , T. Auzelle , J. Lähnemann , G. Gao , L. Nicolai , M. Ramsteiner , A. Trampert , S. Sanguinetti , O. Brandt , L. Geelhaar |
Title |
Self-assembly of well-separated AlN nanowires directly on sputtered metallic TiN films |
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Source | Phys. Status Solidi-Rapid Res. Lett. , 14 , 1900615 ( 2020 ) | |
DOI : 10.1002/pssr.201900615 | Download arXiv: 1910.07391 | Cite : Bibtex RIS |
3 | Author | J. Herranz , P. Corfdir , E. Luna , U. Jahn , R. B. Lewis , L. Schrottke , J. Lähnemann , A. Tahraoui , A. Trampert , O. Brandt , L. Geelhaar |
Title |
Coaxial GaAs/(In,Ga)As dot-in-a-well nanowire heterostructures for electrically driven infrared light generation on Si in the telecommunication O band |
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Source | ACS Appl. Nano Mater. , 3 , 165 ( 2020 ) | |
DOI : 10.1021/acsanm.9b01866 | Download arXiv: 1908.10134 | Cite : Bibtex RIS |
4 | 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 |
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Source | Phys. Rev. Appl. , 12 , 054038 ( 2019 ) | |
DOI : 10.1103/PhysRevApplied.12.054038 | Download arXiv: 1906.05645 | Cite : Bibtex RIS |
5 | Author | Y. Takagaki , B. Jenichen , O. Brandt |
Title |
Semicoherent growth of single-crystal beta-In2S3 layers on InP(111) and InAs(111) |
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Source | CrystEngComm , 21 , 5818 ( 2019 ) | |
DOI : 10.1039/c9ce01135h | Cite : Bibtex RIS |
6 | Author | C. Sinito , P. Corfdir , C. Pfüller , G. Gao , J. Bartolomé , S. Kölling , A. Rodil Doblado , U. Jahn , J. Lähnemann , T. Auzelle , J. K. Zettler , T. Flissikowski , P. Koenraad , H. T. Grahn , L. Geelhaar , S. Fernández-Garrido , O. Brandt |
Title |
Absence of quantum-confined Stark effect in GaN quantum disks embedded in (Al,Ga)N nanowires grown by molecular beam epitaxy |
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Source | Nano Lett. , 19 , 5938 ( 2019 ) | |
DOI : 10.1021/acs.nanolett.9b01521 | Download arXiv: 1905.04090 | Cite : Bibtex RIS |
7 | Author | D. van Treeck , J. Ledig , G. Scholz , J. Lähnemann , M. Musolino , A. Tahraoui , O. Brandt , A. Waag , H. Riechert , L. Geelhaar |
Title |
Electroluminescence and current-voltage measurements of single (In,Ga)N/GaN nanowire light-emitting diodes in a nanowire ensemble |
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Source | Beilstein J. Nanotechnol. , 10 , 1177 ( 2019 ) | |
DOI : 10.3762/bjnano.10.117 | Cite : Bibtex RIS |
8 | Author | L. Mancini , M. Morassi , C. Sinito , O. Brandt , L. Geelhaar , H.G. Song , Y.H. Cho , N. Guan , A. Madouri , C. Barbier , L. Largeau , A. Babichev , F.H. Julien , L. Travers , F. Oehler , N. Gogneau , J.C. Harmand , M. Tchernycheva |
Title |
Optical properties of GaN Nanowires grown on chemical vapor deposited-Graphene |
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Source | Nanotechnology , 30 , 214005 ( 2019 ) | |
DOI : 10.1088/1361-6528/ab0570 | Cite : Bibtex RIS |
9 | Author | S. Fernández-Garrido , T. Auzelle , J. Lähnemann , K. Wimmer , A. Tahraoui , O. Brandt |
Title |
Top-down fabrication of ordered arrays of GaN nanowires by selective area sublimation |
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Source | Nanoscale Adv. , 1 , 1893 ( 2019 ) | |
DOI : 10.1039/c8na00369f | Download arXiv: 1905.04948 | Cite : Bibtex RIS |
10 | Author | J. H. Buß , S. Fernández-Garrido , O. Brandt , D. Hägele , J. Rudolph |
Title |
Electron spin dynamics in mesoscopic GaN nanowires |
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Source | Appl. Phys. Lett. , 114 , 092406 ( 2019 ) | |
DOI : 10.1063/1.5080508 | Download: PDF | Cite : Bibtex RIS |