Nanofabrication

Dr. Lutz Geelhaar

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

 

 

51 Autor O. Marquardt , M. Ramsteiner , P. Corfdir , L. Geelhaar , O. Brandt
Titel

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

52 Autor A. Davtyan , T. Krause , D. Kriegner , A. Al-Hassan , D. Bahrami , S. M. M. Kashani , R. B. Lewis , H. Küpers , A. Tahraoui , L. Geelhaar , M. Hanke , S. J. Leake , O. Loffeld , U. Pietsch
Titel

Threefold rotational symmetry in hexagonally shaped core–shell (In,Ga)As/GaAs nanowires revealed by coherent X-ray diffraction imaging

Source J. Appl. Cryst. , 50 , 673 ( 2017 )
DOI : 10.1107/S1600576717004149 | 2927 Cite : Bibtex RIS
A. Davtyan, T. Krause, D. Kriegner, A. Al-Hassan, D. Bahrami, S. M. M. Kashani, R. B. Lewis, H. Küpers, A. Tahraoui, L. Geelhaar, M. Hanke, S. J. Leake, O. Loffeld, and U. Pietsch

53 Autor J. Kamimura , P. Bogdanoff , F. F. Abdi , J. Lähnemann , R. van de Krol , H. Riechert , L. Geelhaar
Titel

Photoelectrochemical properties of GaN photoanodes with cobalt phosphate catalyst for solar water splitting in neutral electrolyte

Source J. Phys. Chem. C , 121 , 12540 ( 2017 )
DOI : 10.1021/acs.jpcc.7b02253 | 2908 Cite : Bibtex RIS
J. Kamimura, P. Bogdanoff, F. F. Abdi, J. Lähnemann, R. van de Krol, H. Riechert, and L. Geelhaar

54 Autor M. Musolino , A. Tahraoui , L. Geelhaar , F. Sacconi , F. Panetta , C. De Santi , M. Meneghini , E. Zanoni
Titel

The effect of the three-dimensional strain variation on the emission properties of light-emitting diodes based on (In,Ga)N/GaN nanowires

Source Phys. Rev. Appl. , 7 , 044014 ( 2017 )
DOI : 10.1103/PhysRevApplied.7.044014 | arxiv: 1704.01569 | 2888 Cite : Bibtex RIS
M. Musolino, A. Tahraoui, L. Geelhaar, F. Sacconi, F. Panetta, C. De Santi, M. Meneghini, and E. Zanoni

55 Autor J. Kamimura , P. Bogdanoff , M. Ramsteiner , P. Corfdir , F. Feix , L. Geelhaar , H. Riechert
Titel

p-type doping of GaN nanowires characterized by photoelectrochemical measurements

Source Nano Lett. , 17 , 1529 ( 2017 )
DOI : 10.1021/acs.nanolett.6b04560 | 2820 Cite : Bibtex RIS
J. Kamimura, P. Bogdanoff, M. Ramsteiner, P. Corfdir, F. Feix, L. Geelhaar, and H. Riechert

56 Autor C. Hauswald , I. Giuntoni , T. Flissikowski , T. Gotschke , R. Calarco , H. T. Grahn , L. Geelhaar , O. Brandt
Titel

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

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

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

58 Autor R. B. Lewis , L. Nicolai , H. Küpers , M. Ramsteiner , A. Trampert , L. Geelhaar
Titel

Anomalous strain relaxation in core-shell nanowires via simultaneous coherent and incoherent growth

Source Nano Lett. , 17 , 136 ( 2017 )
DOI : 10.1021/acs.nanolett.6b03681 | 2824 Cite : Bibtex RIS
R. B. Lewis, L. Nicolai, H. Küpers, M. Ramsteiner, A. Trampert, and L. Geelhaar

59 Autor J. Kamimura , P. Bogdanoff , P. Corfdir , O. Brandt , H. Riechert , L. Geelhaar
Titel

Broad-band light absorption and high photocurrent of (In,Ga)N nanowire photoanodes resulting from a radial Stark effect

Source ACS Appl. Mater. Interfaces , 8 , 34490 ( 2016 )
DOI : 10.1021/acsami.6b12874 | 2834 Cite : Bibtex RIS
J. Kamimura, P. Bogdanoff, P. Corfdir, O. Brandt, H. Riechert, and L. Geelhaar

60 Autor H. Küpers , F. Bastiman , E. Luna , C. Somaschini , L. Geelhaar
Titel

Ga predeposition for the Ga-assisted growth of GaAs nanowire ensembles with low number density and homogeneous length

Source J. Cryst. Growth , 459 , 43 ( 2016 )
DOI : 10.1016/j.jcrysgro.2016.11.065 | 2864 Cite : Bibtex RIS
H. Küpers, F. Bastiman, E. Luna, C. Somaschini, and L. Geelhaar