PDI -> Staff ->

Dr. Lutz Geelhaar

Head of Department Epitaxy

Lutz Geelhaar

phone: +49 30 20377 359

room: 0714

email: geelhaar@pdi-berlin.de

 

Department: Epitaxy

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

 

 

21 Author R. B. Lewis , P. Corfdir , H. Küpers , T. Flissikowski , O. Brandt , L. Geelhaar
Title

Nanowires bending over backward from strain partitioning in asymmetric core-shell heterostructures

Source Nano Lett. , 18 , 2343 ( 2018 )
DOI : 10.1021/acs.nanolett.7b05221 | 2989 Cite : Bibtex RIS
R. B. Lewis, P. Corfdir, H. Küpers, T. Flissikowski, O. Brandt, and L. Geelhaar

22 Author S. Fernández-Garrido , M. Ramsteiner , L. A. Galves , C. Sinito , J. M. J. Lopes , L. Geelhaar , O. Brandt
Title

Plasma-assisted molecular beam epitaxy of GaN nanowires on epitaxial single-layer graphene

Source Proc. SPIE , 10532 , 105321U ( 2018 )
DOI : 10.1117/12.2288233 | Download: PDF | 3012 Cite : Bibtex RIS
S. Fernández-Garrido, M. Ramsteiner, L. A. Galves, C. Sinito, J. M. J. Lopes, L. Geelhaar, and O. Brandt

23 Author H. Küpers , R. B. Lewis , A. Tahraoui , M. Matalla , O. Krüger , F. Bastiman , H. Riechert , L. Geelhaar
Title

The diameter evolution of selective area grown Ga-assisted GaAs nanowires in molecular beam epitaxy

Source Nano Res. , 11 , 2885 ( 2018 )
DOI : 10.1007/s12274-018-1984-1 | 2956 Cite : Bibtex RIS
H. Küpers, R. B. Lewis, A. Tahraoui, M. Matalla, O. Krüger, F. Bastiman, H. Riechert, and L. Geelhaar

24 Author 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
Title

Nano x-ray fluorescence of individual GaAs/InGaAs core-shell nanowires

Source Phys. Rev. Mater. , 2 , 014604 ( 2018 )
DOI : 10.1103/PhysRevMaterials.2.014604 | 3040 Cite : Bibtex RIS
A. Al Hassan, R. B. Lewis, H. Küpers, W. H. Lin, D. Bahrami, T. Krause, D. Salomon, A. Tahraoui, M. Hanke, L. Geelhaar, and U. Pietsch

25 Author D. v. Treeck , G. Calabrese , J. Goertz , V. M. Kaganer , O. Brandt , S. Fernández-Garrido , L. Geelhaar
Title

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 | 2901 Cite : Bibtex RIS
D. v. Treeck, G. Calabrese, J. Goertz, V. M. Kaganer, O. Brandt, S. Fernández-Garrido, and L. Geelhaar

26 Author H. Küpers , A. Tahraoui , R. B. Lewis , S. Rauwerdink , M. Matalla , O. Krüger , F. Bastiman , H. Riechert , L. Geelhaar
Title

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 | Download arXiv: 1708.02454 | 2943 Cite : Bibtex RIS
H. Küpers, A. Tahraoui, R. B. Lewis, S. Rauwerdink, M. Matalla, O. Krüger, F. Bastiman, H. Riechert, and L. Geelhaar

27 Author G. Calabrese , S. V. Pettersen , C. Pfüller , M. Ramsteiner , J. Grepstad , O. Brandt , L. Geelhaar , S. Fernández-Garrido
Title

Effect of substrate roughness, chemical composition, and native oxide crystallinity on the orientation of self-assembled GaN nanowires on Ti foils

Source Nanotechnol. , 28 , 425602 ( 2017 )
DOI : 10.1088/1361-6528/aa84a1 | 2935 Cite : Bibtex RIS
G. Calabrese, S. V. Pettersen, C. Pfüller, M. Ramsteiner, J. Grepstad, O. Brandt, L. Geelhaar, and S. Fernández-Garrido

28 Author 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
Title

Molecular Beam Epitaxy of GaN Nanowires on Epitaxial Graphene

Source Nano Lett. , 17 , 5213 ( 2017 )
DOI : 10.1021/acs.nanolett.7b01196 | 2906 Cite : Bibtex RIS
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, and L. Geelhaar

29 Author W.-H. Lin , U. Jahn , H. Küpers , E. Luna , R. B. Lewis , L. Geelhaar , O. Brandt
Title

Efficient methodology to correlate structural with optical properties of GaAs nanowires based on scanning electron microscopy

Source Nanotechnol. , 28 , 415703 ( 2017 )
DOI : 10.1088/1361-6528/aa8394 | 2917 Cite : Bibtex RIS
W.-H. Lin, U. Jahn, H. Küpers, E. Luna, R. B. Lewis, L. Geelhaar, and O. Brandt

30 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