PDI -> Staff ->

Dr. Lutz Geelhaar

Acting Director

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

 

 

61 Author M. Musolino , A. Tahraoui , D. van Treeck , L. Geelhaar , H. Riechert
Title

A modified Shockley equation taking into account the multi-element nature of light emitting diodes based on nanowire ensembles

Source Nanotechnology , 27 , 275203 ( 2016 )
DOI : 10.1088/0957-4484/27/27/275203 | 2803 Cite : Bibtex RIS
M. Musolino, A. Tahraoui, D. van Treeck, L. Geelhaar, and H. Riechert

62 Author G. Calabrese , P. Corfdir , G. Gao , C. Pfüller , A. Trampert , O. Brandt , L. Geelhaar , S. Fernández-Garrido
Title

Molecular beam epitaxy of single crystalline GaN nanowires on a flexible Ti foil

Source Appl. Phys. Lett. , 108 , 202101 ( 2016 )
DOI : 10.1063/1.4950707 | Download: PDF | 2794 Cite : Bibtex RIS
G. Calabrese, P. Corfdir, G. Gao, C. Pfüller, A. Trampert, O. Brandt, L. Geelhaar, and S. Fernández-Garrido

63 Author P. Corfdir , C. Hauswald , O. Marquardt , T. Flissikowski , J. K. Zettler , S. Fernández-Garrido , L. Geelhaar , H. T. Grahn , O. Brandt
Title

Crystal-phase quantum dots in GaN quantum wires

Source Phys. Rev. B , 93 , 115305 ( 2016 )
DOI : 10.1103/PhysRevB.93.115305 | Download: PDF | 2783 Cite : Bibtex RIS
P. Corfdir, C. Hauswald, O. Marquardt, T. Flissikowski, J. K. Zettler, S. Fernández-Garrido, L. Geelhaar, H. T. Grahn, and O. Brandt

64 Author J. K. Zettler , P. Corfdir , C. Hauswald , E. Luna , U. Jahn , T. Flissikowski , E. Schmidt , C. Ronning , A. Trampert , L. Geelhaar , H. T. Grahn , O. Brandt , S. Fernández-Garrido
Title

Observation of dielectrically confined excitons in ultrathin GaN nanowires up to room temperature

Source Nano Lett. , 16 , 973 ( 2016 )
DOI : 10.1021/acs.nanolett.5b03931 | 2739 Cite : Bibtex RIS
J. K. Zettler, P. Corfdir, C. Hauswald, E. Luna, U. Jahn, T. Flissikowski, E. Schmidt, C. Ronning, A. Trampert, L. Geelhaar, H. T. Grahn, O. Brandt, and S. Fernández-Garrido

65 Author F. Bastiman , H. Küpers , C. Somaschini , L. Geelhaar
Title

Growth map for Ga-assisted growth of GaAs nanowires on Si(111) substrates by molecular beam epitaxy

Source Nanotechnology , 27 , 095601 ( 2016 )
DOI : 10.1088/0957-4484/27/9/095601 | 2691 Cite : Bibtex RIS
F. Bastiman, H. Küpers, C. Somaschini, and L. Geelhaar

66 Author M. Musolino , D. van Treeck , A. Tahraoui , L. Scarparo , C. De Santi , M. Meneghini , E. Zanoni , L. Geelhaar , H. Riechert
Title

A physical model for the reverse leakage current in (In,Ga)N/GaN light-emitting diodes based on nanowires

Source J. Appl. Phys. , 119 , 044502 ( 2016 )
DOI : 10.1063/1.4940949 | Download: PDF | 2760 Cite : Bibtex RIS
M. Musolino, D. van Treeck, A. Tahraoui, L. Scarparo, C. De Santi, M. Meneghini, E. Zanoni, L. Geelhaar, and H. Riechert

67 Author J. Lähnemann , P. Corfdir , F. Feix , J. Kamimura , T. Flissikowski , H. T. Grahn , L. Geelhaar , O. Brandt
Title

Radial Stark effect in (In,Ga)N nanowires

Source Nano Lett. , 16 , 917 ( 2016 )
DOI : 10.1021/acs.nanolett.5b03748 | Download arXiv: 1601.07201 | 2744 Cite : Bibtex RIS
J. Lähnemann, P. Corfdir, F. Feix, J. Kamimura, T. Flissikowski, H. T. Grahn, L. Geelhaar, and O. Brandt

68 Author J. K. Zettler , P. Corfdir , L. Geelhaar , H. Riechert , O. Brandt , S. Fernández-Garrido
Title

Improved control over spontaneously formed GaN nanowires in molecular beam epitaxy using a two-step growth process

Source Nanotechnology , 26 , 445604 ( 2015 )
DOI : 10.1088/0957-4484/26/44/445604 | Download arXiv: 1508.06266 | 2712 Cite : Bibtex RIS
J. K. Zettler, P. Corfdir, L. Geelhaar, H. Riechert, O. Brandt, and S. Fernández-Garrido

69 Author O. Marquardt , L. Geelhaar , O. Brandt
Title

Impact of individual dopants on the electronic properties of axial (In,Ga)N/GaN nanowire heterostructures

Source IEEE , IEEE Catalog Nr. CFP15817-PRT , 113 ( 2015 )
DOI : ISBN 978-1-4799-8378-0 | 2714 Cite : Bibtex RIS
O. Marquardt, L. Geelhaar, and O. Brandt

70 Author T. Schumann , J. M. J. Lopes , J. M. Wofford , M.H. Oliveira Jr. , M. Dubslaff , M. Hanke , U. Jahn , L. Geelhaar , H. Riechert
Title

The impact of substrate selection for the controlled growth of graphene by molecular beam epitaxy

Source J. Cryst. Growth , 425 , 274 ( 2015 )
DOI : 10.1016/j.jcrysgro.2015.02.060 | 2670 Cite : Bibtex RIS
T. Schumann, J. M. J. Lopes, J. M. Wofford, M.H. Oliveira Jr., M. Dubslaff, M. Hanke, U. Jahn, L. Geelhaar, and H. Riechert