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

 

 

61 Autor C. Pfüller , P. Corfdir , C. Hauswald , T. Flissikowski , X. Kong , J. K. Zettler , S. Fernández-Garrido , P. Dogan , H. T. Grahn , A. Trampert , L. Geelhaar , O. Brandt
Titel

Nature of excitons bound to inversion domain boundaries: Origin of the 3.45-eV luminescence lines in spontaneously formed GaN nanowires on Si(111)

Source Phys. Rev. B , 94 , 155308 ( 2016 )
DOI : 10.1103/PhysRevB.94.155308 | Download: PDF | 2852 Cite : Bibtex RIS
C. Pfüller, P. Corfdir, C. Hauswald, T. Flissikowski, X. Kong, J. K. Zettler, S. Fernández-Garrido, P. Dogan, H. T. Grahn, A. Trampert, L. Geelhaar, and O. Brandt

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

Exciton dynamics in GaAs(Al,Ga)As core-shell nanowires with shell quantum dots

Source Phys. Rev. B , 94 , 155413 ( 2016 )
DOI : 10.1103/PhysRevB.94.155413 | Download: PDF | 2798 Cite : Bibtex RIS
P. Corfdir, H. Küpers, R. B. Lewis, T. Flissikowski, H. T. Grahn, L. Geelhaar, and O. Brandt

63 Autor J. Lähnemann , T. Flissikowski , M. Wölz , L. Geelhaar , H. T. Grahn , O. Brandt , U. Jahn
Titel

Quenching of the luminescence intensity of GaN nanowires under electron beam exposure: Impact of C adsorption on the exciton lifetime

Source Nanotechnology , 27 , 455706 ( 2016 )
DOI : 10.1088/0957-4484/27/45/455706 | arxiv: 1607.03397 | 2849 Cite : Bibtex RIS
J. Lähnemann, T. Flissikowski, M. Wölz, L. Geelhaar, H. T. Grahn, O. Brandt, and U. Jahn

64 Autor P. Corfdir , R. B. Lewis , O. Marquardt , H. Küpers , J. Grandal , E. Dimakis , A. Trampert , L. Geelhaar , O. Brandt , R. T. Phillips
Titel

Exciton recombination at crystal-phase quantum rings in GaAs/InxGa1-xAs core/multishell nanowires

Source Appl. Phys. Lett. , 109 , 082107 ( 2016 )
DOI : 10.1063/1.4961245 | Download: PDF | 2830 Cite : Bibtex RIS
P. Corfdir, R. B. Lewis, O. Marquardt, H. Küpers, J. Grandal, E. Dimakis, A. Trampert, L. Geelhaar, O. Brandt, and R. T. Phillips

65 Autor I. Giuntoni , L. Geelhaar , J. Bruns , H. Riechert
Titel

Light coupling between vertical III-V nanowires and planar Si photonic waveguides for the monolithic integration of active optoelectronic devices on a Si platform

Source Opt. Express , 24 , 18417 ( 2016 )
DOI : 10.1364/OE.24.018417 | Download: PDF | 2795 Cite : Bibtex RIS
I. Giuntoni, L. Geelhaar, J. Bruns, and H. Riechert

66 Autor M. Sobanska , S. Fernández-Garrido , Z. R. Zytkiewicz , G. Tchutchulashvili , S. Gieraltowska , O. Brandt , L. Geelhaar
Titel

Self-assembled growth of GaN nanowires on amorphous AlxOy: from nucleation to the formation of dense nanowire ensembles

Source Nanotechnology , 27 , 325601 ( 2016 )
DOI : 10.1088/0957-4484/27/32/325601 | 2817 Cite : Bibtex RIS
M. Sobanska, S. Fernández-Garrido, Z. R. Zytkiewicz, G. Tchutchulashvili, S. Gieraltowska, O. Brandt, and L. Geelhaar

67 Autor J. Kamimura , P. Bogdanoff , M. Ramsteiner , L. Geelhaar , H. Riechert
Titel

Photoelectrochemical properties of InN nanowire photoelectrodes for solar water splitting

Source Semicond. Sci. Technol. , 31 , 074001 ( 2016 )
DOI : 10.1088/0268-1242/31/7/074001 | 2787 Cite : Bibtex RIS
J. Kamimura, P. Bogdanoff, M. Ramsteiner, L. Geelhaar, and H. Riechert

68 Autor M. Musolino , A. Tahraoui , D. van Treeck , L. Geelhaar , H. Riechert
Titel

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

69 Autor G. Calabrese , P. Corfdir , G. Gao , C. Pfüller , A. Trampert , O. Brandt , L. Geelhaar , S. Fernández-Garrido
Titel

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

70 Autor P. Corfdir , C. Hauswald , O. Marquardt , T. Flissikowski , J. K. Zettler , S. Fernández-Garrido , L. Geelhaar , H. T. Grahn , O. Brandt
Titel

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