Head of Department Epitaxy
Telefon: +49 30 20377 359
Raum: 0714
Email: geelhaar@pdi-berlin.de
Abteilung: Epitaxy
Core research areas: Nanofabrication , III-V nanowires for optoelectronics
41 | Autor | A. Al Hassan , R. B. Lewis , H. Küpers , W. H. Lin , D. Bahrami , T. Krause , D. Salomon , A. Tahraoui , M. Hanke , L. Geelhaar , U. Pietsch |
Titel |
Nano x-ray fluorescence of individual GaAs/InGaAs core-shell nanowires |
|
Source | Phys. Rev. Mater. , 2 , 014604 ( 2018 ) | |
DOI : 10.1103/PhysRevMaterials.2.014604 | Cite : Bibtex RIS |
42 | Autor | D. van Treeck , G. Calabrese , J. Goertz , V. M. Kaganer , O. Brandt , S. Fernández-Garrido , L. Geelhaar |
Titel |
Self-Assembled Formation of Long, Thin, and Uncoalesced GaN Nanowires on Crystalline TiN Films |
|
Source | Nano Res. , 11, Issue 1 , 565 ( 2018 ) | |
DOI : 10.1007/s12274-017-1717-x | Cite : Bibtex RIS |
43 | Autor | H. Küpers , A. Tahraoui , R. B. Lewis , S. Rauwerdink , M. Matalla , O. Krüger , F. Bastiman , H. Riechert , L. Geelhaar |
Titel |
Surface preparation and patterning by nano imprint lithography for the selective area growth of GaAs nanowires on Si(111) |
|
Source | Semicond. Sci. Technol. , 32 , 115003 ( 2017 ) | |
DOI : 10.1088/1361-6641/aa8c15 | arxiv: 1708.02454 | Cite : Bibtex RIS |
44 | Autor | G. Calabrese , S. V. Pettersen , C. Pfüller , M. Ramsteiner , J. Grepstad , O. Brandt , L. Geelhaar , S. Fernández-Garrido |
Titel |
Effect of substrate roughness, chemical composition, and native oxide crystallinity on the orientation of self-assembled GaN nanowires on Ti foils |
|
Source | Nanotechnology , 28 , 425602 ( 2017 ) | |
DOI : 10.1088/1361-6528/aa84a1 | Cite : Bibtex RIS |
45 | Autor | S. Fernández-Garrido , M. Ramsteiner , G. Gao , L. A. Galves , Bharat Sharma , P. Corfdir , G. Calabrese , Z. de Souza Schiaber , C. Pfüller , A. Trampert , J. M. J. Lopes , O. Brandt , L. Geelhaar |
Titel |
Molecular Beam Epitaxy of GaN Nanowires on Epitaxial Graphene |
|
Source | Nano Lett. , 17 , 5213 ( 2017 ) | |
DOI : 10.1021/acs.nanolett.7b01196 | Cite : Bibtex RIS |
46 | Autor | W.-H. Lin , U. Jahn , H. Küpers , E. Luna , R. B. Lewis , L. Geelhaar , O. Brandt |
Titel |
Efficient methodology to correlate structural with optical properties of GaAs nanowires based on scanning electron microscopy |
|
Source | Nanotechnology , 28 , 415703 ( 2017 ) | |
DOI : 10.1088/1361-6528/aa8394 | Cite : Bibtex RIS |
47 | Autor | R. B. Lewis , P. Corfdir , H. Li , J. Herranz , C. Pfüller , O. Brandt , L. Geelhaar |
Titel |
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 | Cite : Bibtex RIS |
48 | Autor | P. Corfdir , R. B. Lewis , L. Geelhaar , O. Brandt |
Titel |
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 | Cite : Bibtex RIS |
49 | Autor | F. Feix , T. Flissikowski , K. K. Sabelfeld , V. M. Kaganer , M. Wölz , L. Geelhaar , H. T. Grahn , O. Brandt |
Titel |
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 | arxiv: 1703.06715 | Cite : Bibtex RIS |
50 | Autor | R. B. Lewis , P. Corfdir , J. Herranz , H. Küpers , U. Jahn , O. Brandt , L. Geelhaar |
Titel |
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 | arxiv: 1704.08014 | Cite : Bibtex RIS |