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

 

 

141 Author Y. Takagaki , J. Herfort , M. Hilse , L. Geelhaar , H. Riechert
Title

Swingback in magnetization reversal in MnAs-GaAs coaxial nanowire heterostructures

Source J. Phys.: Condens. Matter , 23 , 126002 ( 2011 )
2126 Cite : Bibtex RIS
Y. Takagaki, J. Herfort, M. Hilse, L. Geelhaar, and H. Riechert

142 Author M. Hilse , Y. Takagaki , M. Ramsteiner , J. Herfort , S. Breuer , L. Geelhaar , H. Riechert
Title

Strain in GaAs-MnAs core-shell nanowires grown by molecular beam epitaxy

Source J. Cryst. Growth , 323 , 307 ( 2011 )
2131 Cite : Bibtex RIS
M. Hilse, Y. Takagaki, M. Ramsteiner, J. Herfort, S. Breuer, L. Geelhaar, and H. Riechert

143 Author S. Breuer , M. Hilse , L. Geelhaar , H. Riechert
Title

Nucleation and growth of Au-assisted GaAs nanowires on GaAs(111)B and Si(111) in comparison

Source J. Cryst. Growth , 323 , 311 ( 2011 )
2134 Cite : Bibtex RIS
S. Breuer, M. Hilse, L. Geelhaar, and H. Riechert

144 Author P. Dogan , O. Brandt , C. Pfüller , A.-K. Bluhm , L. Geelhaar , H. Riechert
Title

GaN nanowire templates for the pendeoepitaxial coalescence overgrowth on Si(111) by molecular beam epitaxy

Source J. Cryst. Growth , 323 , 418 ( 2011 )
2154 Cite : Bibtex RIS
P. Dogan, O. Brandt, C. Pfüller, A.-K. Bluhm, L. Geelhaar, and H. Riechert

145 Author L. Lari , T. Walther , M. H. Gass , L. Geelhaar , C. Chèze , H. Riechert , T. J. Bullough , P. R. Chalker
Title

Direct observation by transmission electron microscopy of the influence of Ni catalyst-seeds on the growth of GaN-(Al,Ga)N axial heterostructure nanowires

Source J. Cryst. Growth , 327 , 27 ( 2011 )
2158 Cite : Bibtex RIS
L. Lari, T. Walther, M. H. Gass, L. Geelhaar, C. Chèze, H. Riechert, T. J. Bullough, and P. R. Chalker

146 Author V. Consonni , M. Hanke , M. Knelangen , L. Geelhaar , A. Trampert , H. Riechert
Title

Nucleation mechanisms of self-induced GaN nanowires grown on an amorphous interlayer

Source Phys. Rev. B , 83 , 035310 ( 2011 )
Download: PDF | 2159 Cite : Bibtex RIS
V. Consonni, M. Hanke, M. Knelangen, L. Geelhaar, A. Trampert, and H. Riechert

147 Author L. Geelhaar , C. Chèze , B. Jenichen , O. Brandt , C. Pfüller , S. Münch , R. Rothemund , S. Reitzenstein , A. Forchel , Th. Kehagias , Ph. Komninou , G. P. Dimitrakopulos , Th. Karakostas , L. Lari , P. R. Chalker , M. H. Gass , H. Riechert
Title

Properties of GaN nanowires grown by molecular beam epitaxy

Source IEEE J. Sel. Topics Quantum Electron. , 17 , 878 ( 2011 )
2160 Cite : Bibtex RIS
L. Geelhaar, C. Chèze, B. Jenichen, O. Brandt, C. Pfüller, S. Münch, R. Rothemund, S. Reitzenstein, A. Forchel, Th. Kehagias, Ph. Komninou, G. P. Dimitrakopulos, Th. Karakostas, L. Lari, P. R. Chalker, M. H. Gass, and H. Riechert

148 Author S. Breuer , C. Pfüller , T. Flissikowski , O. Brandt , H.T. Grahn , L. Geelhaar , H. Riechert
Title

Suitability of Au- and self-assisted GaAs nanowires for optoelectronic applications

Source Nano Lett. , 11 , 1276 ( 2011 )
2175 Cite : Bibtex RIS
S. Breuer, C. Pfüller, T. Flissikowski, O. Brandt, H.T. Grahn, L. Geelhaar, and H. Riechert

149 Author Y. Puttisong , X. J. Wang , I. A. Buyanova , C. W. Tu , L. Geelhaar , H. Riechert , W. M. Chen
Title

Room-temperature spin injection and spin loss across a GaNAs/GaAs interface

Source Appl. Phys. Lett. , 98 , 012112 ( 2011 )
Download: PDF | 2180 Cite : Bibtex RIS
Y. Puttisong, X. J. Wang, I. A. Buyanova, C. W. Tu, L. Geelhaar, H. Riechert, and W. M. Chen

150 Author V. Consonni , M. Knelangen , A. Trampert , L. Geelhaar , H. Riechert
Title

Nucleation and coalescence effects on the density of self-induced GaN nanowires grown by molecular beam epitaxy

Source Appl. Phys. Lett. , 98 , 071913 ( 2011 )
Download: PDF | 2183 Cite : Bibtex RIS
V. Consonni, M. Knelangen, A. Trampert, L. Geelhaar, and H. Riechert