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

 

 

71 Author S. Schulz , O. Marquardt , C. Coughlan , M. A. Caro , L. Geelhaar , O. Brandt , E. P. O'Reilly
Title

Atomistic description of wave function localization effects in In(x)Ga(1-x)N alloys and quantum wells

Source Proc. SPIE , 9357 , ( 2015 )
DOI : 10.1117/12.2084800 | Download: PDF | 2721 Cite : Bibtex RIS
S. Schulz, O. Marquardt, C. Coughlan, M. A. Caro, L. Geelhaar, O. Brandt, and E. P. O'Reilly

72 Author S. Fernández-Garrido , J. K. Zettler , L. Geelhaar , O. Brandt
Title

Monitoring the formation of nanowires by line-of-sight quadrupole mass spectrometry: a comprehensive description of the temporal evolution of GaN nanowire ensembles

Source Nano Lett. , 15 , 1930 ( 2015 )
DOI : 10.1021/nl504778s | 2684 Cite : Bibtex RIS
S. Fernández-Garrido, J. K. Zettler, L. Geelhaar, and O. Brandt

73 Author M. Musolino , M. Meneghini , L. Scarparo , C. De Santi , A. Tahraoui , L. Geelhaar , E. Zanoni , H. Riechert
Title

Deep level transient spectroscopy on light-emitting diodes based on (In,Ga)N/GaN nanowire ensembles

Source Proc. SPIE , 9363 , 936325 ( 2015 )
DOI : 10.1117/12.2077438 | Download: PDF | 2694 Cite : Bibtex RIS
M. Musolino, M. Meneghini, L. Scarparo, C. De Santi, A. Tahraoui, L. Geelhaar, E. Zanoni, and H. Riechert

74 Author M. Musolino , A. Tahraoui , S. Fernández-Garrido , O. Brandt , A. Trampert , L. Geelhaar , H. Riechert
Title

Compatibility of the selective area growth of GaN nanowires on AlN-buffered Si substrates with the operation of light emitting diodes

Source Nanotechnol. , 26 , 085605 ( 2015 )
DOI : 10.1088/0957-4484/26/8/085605 | Download arXiv: 1410.7546 | 2564 Cite : Bibtex RIS
M. Musolino, A. Tahraoui, S. Fernández-Garrido, O. Brandt, A. Trampert, L. Geelhaar, and H. Riechert

75 Author A. Mukherjee , S. Ghosh , S. Breuer , U. Jahn , L. Geelhaar , H. T. Grahn
Title

Spatially resolved polarized micro-photoluminescence study of GaAs nanowires with both zincblende and wurtzite phases

Source J. Appl. Phys. , 117 , 054308 ( 2015 )
DOI : 10.1063/1.4907388 | Download: PDF | 2682 Cite : Bibtex RIS
A. Mukherjee, S. Ghosh, S. Breuer, U. Jahn, L. Geelhaar, and H. T. Grahn

76 Author P. Schroth , M. Köhl , J.-W. Hornung , E. Dimakis , C. Somaschini , L. Geelhaar , A. Biermanns , S. Bauer , S. Lazarev , U. Pietsch , T. Baumbach
Title

Evolution of polytypism in GaAs nanowires during growth revealed by time-resolved in-situ X-ray diffraction

Source Phys. Rev. Lett. , 114 , 055504 ( 2015 )
DOI : 10.1103/PhysRevLett.114.055504 | Download: PDF | 2547 Cite : Bibtex RIS
P. Schroth, M. Köhl, J.-W. Hornung, E. Dimakis, C. Somaschini, L. Geelhaar, A. Biermanns, S. Bauer, S. Lazarev, U. Pietsch, and T. Baumbach

77 Author G. Bussone , H. Schäfer-Eberwein , E. Dimakis , A. Biermanns , D. Carbone , A. Tahraoui , L. Geelhaar , P. HaringBolívar , T. U. Schülli , U. Pietsch
Title

Correlation of electrical and structural properties of single as-grown GaAs nanowires on Si (111) substrates

Source Nano Lett. , 15 , 981 ( 2015 )
DOI : 10.1021/nl5037879 | 2662 Cite : Bibtex RIS
G. Bussone, H. Schäfer-Eberwein, E. Dimakis, A. Biermanns, D. Carbone, A. Tahraoui, L. Geelhaar, P. HaringBolívar, T. U. Schülli, and U. Pietsch

78 Author O. Romanyuk , S. Fernández-Garrido , P. Jiricek , I. Bartos , L. Geelhaar , O. Brandt , T. Paskova
Title

Non-destructive assessment of the polarity of GaN nanowire ensembles using low-energy electron diffraction and x-ray photoelectron diffraction

Source Appl. Phys. Lett. , 106 , 021602 ( 2015 )
DOI : 10.1063/1.4905651 | Download: PDF | 2667 Cite : Bibtex RIS
O. Romanyuk, S. Fernández-Garrido, P. Jiricek, I. Bartos, L. Geelhaar, O. Brandt, and T. Paskova

79 Author M. Koehl , P. Schroth , A. A. Minkevich , J.-W. Hornung , E. Dimakis , C. Somaschini , L. Geelhaar , T. Aschenbrenner , S. Lazarev , D. Grigoriev , U. Pietsch , T. Baumbach
Title

Polytypism in GaAs nanowires: Determination of the interplanar spacing of wurtzite GaAs by X-ray diffraction

Source J. Synchrotron Rad. , 22 , 67 ( 2015 )
DOI : 10.1107/S1600577514023480 | Download: PDF | 2653 Cite : Bibtex RIS
M. Koehl, P. Schroth, A. A. Minkevich, J.-W. Hornung, E. Dimakis, C. Somaschini, L. Geelhaar, T. Aschenbrenner, S. Lazarev, D. Grigoriev, U. Pietsch, and T. Baumbach

80 Author J. Kamimura , M. Ramsteiner , L. Geelhaar , H. Riechert
Title

Si doping effects on (In,Ga)N nanowires

Source J. Appl. Phys. , 116 , 244310 ( 2014 )
DOI : 10.1063/1.4905257 | Download: PDF | 2632 Cite : Bibtex RIS
J. Kamimura, M. Ramsteiner, L. Geelhaar, and H. Riechert