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

 

 

171 Author C. Chèze , L. Geelhaar , A. Trampert , H. Riechert
Title

In situ investigation of self-induced GaN nanowire nucleation on Si

Source Appl. Phys. Lett. , 97 , 043101 ( 2010 )
Download: PDF | 2091 Cite : Bibtex RIS
C. Chèze, L. Geelhaar, A. Trampert, and H. Riechert

172 Author C. Chèze , L. Geelhaar , A. Trampert , O. Brandt , H. Riechert
Title

Collector phase transitions during vapor-solid-solid nucleation of GaN nanowires

Source Nano Lett. , 10 , 3426 ( 2010 )
2104 Cite : Bibtex RIS
C. Chèze, L. Geelhaar, A. Trampert, O. Brandt, and H. Riechert

173 Author L. Ivanova , H. Eisele , M.P. Vaughan , Ph. Ebert , A. Lenz , R. Timm , O. Schumann , L. Geelhaar , M. Dähne , S. Fahy , H. Riechert , E. P. O'Reilly
Title

Direct measurement and analysis of the conduction band density of states in diluted GaAsN alloys

Source Phys. Rev. B , 82 , 161201(R) ( 2010 )
Download: PDF | 2105 Cite : Bibtex RIS
L. Ivanova, H. Eisele, M.P. Vaughan, Ph. Ebert, A. Lenz, R. Timm, O. Schumann, L. Geelhaar, M. Dähne, S. Fahy, H. Riechert, and E. P. O'Reilly

174 Author C. Pfüller , O. Brandt , T. Flissikowski , C. Chèze , L. Geelhaar , H.T. Grahn , H. Riechert
Title

Statistical analysis of excitonic transitions in single, free-standing GaN nanowires: Probing impurity incorporation in the Poissonian limit

Source Nano Res. , 3 , 881 ( 2010 )
2110 Cite : Bibtex RIS
C. Pfüller, O. Brandt, T. Flissikowski, C. Chèze, L. Geelhaar, H.T. Grahn, and H. Riechert

175 Author S. Breuer , M. Hilse , A. Trampert , L. Geelhaar , H. Riechert
Title

Vapor-liquid-solid nucleation of GaAs on Si(111): Growth evolution from traces to nanowires

Source Phys. Rev. B , 82 , 075406 ( 2010 )
Download: PDF | 2133 Cite : Bibtex RIS
S. Breuer, M. Hilse, A. Trampert, L. Geelhaar, and H. Riechert

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

Ferromagnet-semiconductor nanowire coaxial heterostructures grown by molecular-beam epitaxy

Source Appl. Phys. Lett. , 95 , 133126 ( 2009 )
Download: PDF | 2032 Cite : Bibtex RIS
M. Hilse, Y. Takagaki, J. Herfort, M. Ramsteiner, C. Herrmann, S. Breuer, L. Geelhaar, and H. Riechert

177 Author D. Martin , M. Grube , W. M. Weber , J. Rüstig , O. Bierwagen , L. Geelhaar , H. Riechert
Title

Local charge transport in nanoscale amorphous and crystalline regions of high-k (ZrO2)0.8(Al2O3)0.2 thin films

Source Appl. Phys. Lett. , 95 , 142906 ( 2009 )
Download: PDF | 2045 Cite : Bibtex RIS
D. Martin, M. Grube, W. M. Weber, J. Rüstig, O. Bierwagen, L. Geelhaar, and H. Riechert

178 Author X. J. Wang , Y. Puttisong , C. W. Tu , A. J. Ptak , V. K. Kalevich , A. Yu. Egorov , L. Geelhaar , H. Riechert , W. M. Chen , I. A. Buyanova
Title

Dominant recombination centers in Ga(In)NAs alloys: Ga interstitials

Source Appl. Phys. Lett. , 95 , 241904 ( 2009 )
Download: PDF | 2046 Cite : Bibtex RIS
X. J. Wang, Y. Puttisong, C. W. Tu, A. J. Ptak, V. K. Kalevich, A. Yu. Egorov, L. Geelhaar, H. Riechert, W. M. Chen, and I. A. Buyanova

179 Author V. Consonni , M. Knelangen , U. Jahn , A. Trampert , L. Geelhaar , H. Riechert
Title

Effects of nanowire coalescence on their structural and optical properties on a local scale

Source Appl. Phys. Lett. , 95 , 241910 ( 2009 )
Download: PDF | 2053 Cite : Bibtex RIS
V. Consonni, M. Knelangen, U. Jahn, A. Trampert, L. Geelhaar, and H. Riechert