Dr. Lutz Geelhaar

Acting Director

Head of Department Epitaxy

Lutz Geelhaar

Telefon: +49 30 20377 359

Raum: 0714

Email: geelhaar@pdi-berlin.de

 

Abteilung: Epitaxy

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

 

 

31 Autor A. Senichev , P. Corfdir , O. Brandt , M. Ramsteiner , S. Breuer , J. Schilling , L. Geelhaar , P. Werner
Titel

Electronic properties of wurtzite GaAs: A correlated structural, optical, and theoretical analysis of the same polytypic GaAs nanowire

Source Nano Res. , 11 , 4708 ( 2018 )
DOI : 10.1007/s12274-018-2053-5 | 3036 Cite : Bibtex RIS
A. Senichev, P. Corfdir, O. Brandt, M. Ramsteiner, S. Breuer, J. Schilling, L. Geelhaar, and P. Werner

32 Autor E. Courtade , B. Han , S.Nakhaie , C. Robert , X. Marie , P. Renucci , T. Taniguchi , K. Watanabe , L. Geelhaar , J. M. J. Lopes , B. Urbaszek
Titel

Spectrally narrow exciton luminescence from monolayer MoS2 and MoSe2 exfoliated onto epitaxially grown hexagonal BN

Source Appl. Phys. Lett. , 113 , 032106 ( 2018 )
DOI : 10.1063/1.5033554 | Download: PDF | 3051 Cite : Bibtex RIS
E. Courtade, B. Han, S.Nakhaie, C. Robert, X. Marie, P. Renucci, T. Taniguchi, K. Watanabe, L. Geelhaar, J. M. J. Lopes, and B. Urbaszek

33 Autor A. Davtyan , V. Favre-Nicolin , R. B. Lewis , H. Küpers , L. Geelhaar , D. Kriegner , D. Bahrami , A. Al-Hassan , G. Chahine , O. Loffeld , U. Pietsch
Titel

Coherent X-ray diffraction imaging meets ptychography to study core-shell-shell nanowires

Source MRS Advances , 3 , 2317 ( 2018 )
DOI : 10.1557/adv.2018.466 | 3038 Cite : Bibtex RIS
A. Davtyan, V. Favre-Nicolin, R. B. Lewis, H. Küpers, L. Geelhaar, D. Kriegner, D. Bahrami, A. Al-Hassan, G. Chahine, O. Loffeld, and U. Pietsch

34 Autor P. Corfdir , G. Calabrese , A. Laha , T. Auzelle , L. Geelhaar , O. Brandt , S. Fernández-Garrido
Titel

Monitoring the formation of GaN nanowires in molecular beam epitaxy by polarization-resolved optical reflectometry

Source CrystEngComm , 20 , 3202 ( 2018 )
DOI : 10.1039/C8CE00431E | 3006 Cite : Bibtex RIS
P. Corfdir, G. Calabrese, A. Laha, T. Auzelle, L. Geelhaar, O. Brandt, and S. Fernández-Garrido

35 Autor R. B. Lewis , P. Corfdir , H. Küpers , T. Flissikowski , O. Brandt , L. Geelhaar
Titel

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

36 Autor S. Fernández-Garrido , M. Ramsteiner , L. A. Galves , C. Sinito , J. M. J. Lopes , L. Geelhaar , O. Brandt
Titel

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

37 Autor H. Küpers , R. B. Lewis , A. Tahraoui , M. Matalla , O. Krüger , F. Bastiman , H. Riechert , L. Geelhaar
Titel

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

38 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 | 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

39 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 | 2901 Cite : Bibtex RIS
D. van Treeck, G. Calabrese, J. Goertz, V. M. Kaganer, O. Brandt, S. Fernández-Garrido, and L. Geelhaar

40 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 | 2943 Cite : Bibtex RIS
H. Küpers, A. Tahraoui, R. B. Lewis, S. Rauwerdink, M. Matalla, O. Krüger, F. Bastiman, H. Riechert, and L. Geelhaar