Intersubband Emitters: GaAs-based Quantum-Cascade Lasers

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

 

 

31 Author K. K. Sabelfeld , V. M. Kaganer , C. Pfüller , O. Brandt
Title

Dislocation contrast in cathodoluminescence and electron-beam induced current maps on GaN(0001)

Source J. Phys. D: Appl. Phys. , 50 , 405101 ( 2017 )
DOI : 10.1088/1361-6463/aa85c8 | Download arXiv: 1611.06895 | 2886 Cite : Bibtex RIS
K. K. Sabelfeld, V. M. Kaganer, C. Pfüller, and O. Brandt

32 Author R. B. Lewis , P. Corfdir , H. Li , J. Herranz , C. Pfüller , O. Brandt , L. Geelhaar
Title

Quantum dot self-assembly driven by a surfactant-induced morphological instability

Source Phys. Rev. Lett. , 119 , 086101 ( 2017 )
DOI : 10.1103/PhysRevLett.119.086101 | Download: PDF | 2903 Cite : Bibtex RIS
R. B. Lewis, P. Corfdir, H. Li, J. Herranz, C. Pfüller, O. Brandt, and L. Geelhaar

33 Author P. Corfdir , R. B. Lewis , L. Geelhaar , O. Brandt
Title

Fine structure of excitons in InAs quantum dots on GaAs(110) layers and nanowire facets

Source Phys. Rev. B , 96 , 045435 ( 2017 )
DOI : 10.1103/PhysRevB.96.045435 | Download: PDF | 2924 Cite : Bibtex RIS
P. Corfdir, R. B. Lewis, L. Geelhaar, and O. Brandt

34 Author F. Feix , T. Flissikowski , K. K. Sabelfeld , V. M. Kaganer , M. Wölz , L. Geelhaar , H. T. Grahn , O. Brandt
Title

Ga-Polar (In,Ga)N/GaN Quantum Wells Versus N-Polar (In,Ga)N Quantum Disks in GaN Nanowires: A Comparative Analysis of Carrier Recombination, Diffusion, and Radiative Efficiency

Source Phys. Rev. Appl. , 8 , 014032 ( 2017 )
DOI : 10.1103/PhysRevApplied.8.014032 | Download arXiv: 1703.06715 | 2905 Cite : Bibtex RIS
F. Feix, T. Flissikowski, K. K. Sabelfeld, V. M. Kaganer, M. Wölz, L. Geelhaar, H. T. Grahn, and O. Brandt

35 Author R. B. Lewis , P. Corfdir , J. Herranz , H. Küpers , U. Jahn , O. Brandt , L. Geelhaar
Title

Self-assembly of InAs nanostructures on the sidewalls of GaAs nanowires directed by a Bi surfactant

Source Nano Lett. , 17 , 4255 ( 2017 )
DOI : 10.1021/acs.nanolett.7b01185 | Download arXiv: 1704.08014 | 2910 Cite : Bibtex RIS
R. B. Lewis, P. Corfdir, J. Herranz, H. Küpers, U. Jahn, O. Brandt, and L. Geelhaar

36 Author O. Marquardt , M. Ramsteiner , P. Corfdir , L. Geelhaar , O. Brandt
Title

Modelling the electronic properties of GaAs polytype nanostructures: impact of strain on the conduction band character

Source Phys. Rev. B , 95 , 245309 ( 2017 )
DOI : 10.1103/PhysRevB.95.245309 | Download: PDF | 2918 Cite : Bibtex RIS
O. Marquardt, M. Ramsteiner, P. Corfdir, L. Geelhaar, and O. Brandt

37 Author O. Marquardt , T. Krause , V. M. Kaganer , J. Martin-Sanchez , M. Hanke , O. Brandt
Title

Influence of strain relaxation in axial (In,Ga)N/GaN nanowire heterostructures on their electronic properties

Source Nanotechnology , 28 , 215204 ( 2017 )
DOI : 10.1088/1361-6528/aa6b73 | Download arXiv: 1608.07047 | 2857 Cite : Bibtex RIS
O. Marquardt, T. Krause, V. M. Kaganer, J. Martin-Sanchez, M. Hanke, and O. Brandt

38 Author C. Chèze , F. Feix , M. Anikeeva , T. Schulz , M. Albrecht , H. Riechert , O. Brandt , R. Calarco
Title

In/GaN(0001)- (√3 × √3) R30° adsorbate structure as a template for embedded (In,Ga)N/GaN monolayers and short-period superlattices

Source Appl. Phys. Lett. , 110 , 072104 ( 2017 )
DOI : 10.1063/1.4976198 | Download: PDF | 2878 Cite : Bibtex RIS
C. Chèze, F. Feix, M. Anikeeva, T. Schulz, M. Albrecht, H. Riechert, O. Brandt, and R. Calarco

39 Author C. Hauswald , I. Giuntoni , T. Flissikowski , T. Gotschke , R. Calarco , H. T. Grahn , L. Geelhaar , O. Brandt
Title

Luminous efficiency of ordered arrays of GaN nanowires with sub-wavelength diameters

Source ACS Photonics , 4 , 52 ( 2017 )
DOI : 10.1021/acsphotonics.6b00551 | 2823 Cite : Bibtex RIS
C. Hauswald, I. Giuntoni, T. Flissikowski, T. Gotschke, R. Calarco, H. T. Grahn, L. Geelhaar, and O. Brandt

40 Author Z. de Souza Schiaber , G. Calabrese , X. Kong , A. Trampert , B. Jenichen , J. H. Dias da Silva , L. Geelhaar , O. Brandt , S. Fernández-Garrido
Title

Polarity-induced selective area epitaxy of GaN nanowires

Source Nano Lett. , 17 , 63 ( 2017 )
DOI : 10.1021/acs.nanolett.6b03249 | 2856 Cite : Bibtex RIS
Z. de Souza Schiaber, G. Calabrese, X. Kong, A. Trampert, B. Jenichen, J. H. Dias da Silva, L. Geelhaar, O. Brandt, and S. Fernández-Garrido

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