PDI -> Staff ->

Prof. Dr. Holger T. Grahn

Head of Department Semiconductor Spectroscopy

Holger T. Grahn

phone: +49 30 20377 318

phone mobile: 602

room: 0517

email: htgrahn@pdi-berlin.de

 

Department: Semiconductor Spectroscopy

Core research areas: Nanoanalytics , III-V nanowires for optoelectronics

 

 

71 Author F. Gericke , T. Flissikowski , J. Lähnemann , F. Katmis , W. Braun , H. Riechert , H.T. Grahn
Title

Optical switching and related structural properties of epitaxial Ge2Sb2Te5 films

Source J. Appl. Phys. , 111 , 113524 ( 2012 )
Download: PDF | 2304 Cite : Bibtex RIS
F. Gericke, T. Flissikowski, J. Lähnemann, F. Katmis, W. Braun, H. Riechert, and H.T. Grahn

72 Author A. Gorgis , T. Flissikowski , O. Brandt , C. Chèze , L. Geelhaar , H. Riechert , H.T. Grahn
Title

Time-resolved photoluminescence spectroscopy of individual GaN nanowires

Source Phys. Rev. B , 86 , 041302(R) ( 2012 )
Download: PDF | 2306 Cite : Bibtex RIS
A. Gorgis, T. Flissikowski, O. Brandt, C. Chèze, L. Geelhaar, H. Riechert, and H.T. Grahn

73 Author H. Richter , M. Greiner-Bär , N. Deßmann , J. Pfund , M. Wienold , L. Schrottke , R. Hey , H.T. Grahn , H.-W. Hübers
Title

Terahertz wavefront measurement with a Hartmann sensor

Source Appl. Phys. Lett. , 101 , 031103 ( 2012 )
Download: PDF | 2322 Cite : Bibtex RIS
H. Richter, M. Greiner-Bär, N. Deßmann, J. Pfund, M. Wienold, L. Schrottke, R. Hey, H.T. Grahn, and H.-W. Hübers

74 Author K. R. Wang , C. Mauder , Q. Wan , B. Jenichen , J. F. Woitok , H.T. Grahn , H. Kalisch , M. Heuken , A. Vescan , A. Trampert
Title

Formation of a monocrystalline, M-plane AlN layer by the nitridation of γ-LiAlO2(100)

Source Appl. Phys. Express , 5 , 105501 ( 2012 )
2336 Cite : Bibtex RIS
K. R. Wang, C. Mauder, Q. Wan, B. Jenichen, J. F. Woitok, H.T. Grahn, H. Kalisch, M. Heuken, A. Vescan, and A. Trampert

75 Author J. Lähnemann , O. Brandt , C. Pfüller , T. Flissikowski , U. Jahn , E. Luna , M. Hanke , M. Knelangen , A. Trampert , H.T. Grahn
Title

Coexistence of quantum-confined Stark effect and localized states in an (In,Ga)N/GaN nanowire heterostructure

Source Phys. Rev. B , 84 , 155303 ( 2011 )
DOI : 10.1103/PhysRevB.84.155303 | Download: PDF | 2266 Cite : Bibtex RIS
J. Lähnemann, O. Brandt, C. Pfüller, T. Flissikowski, U. Jahn, E. Luna, M. Hanke, M. Knelangen, A. Trampert, and H.T. Grahn

76 Author K. Fujiwara , U. Jahn , E. Luna , H.T. Grahn
Title

Enhanced emission efficiency due to an excited subband resonance in a GaAs-based quantum-well system

Source J. Cryst. Growth , 323 , 45 ( 2011 )
2135 Cite : Bibtex RIS
K. Fujiwara, U. Jahn, E. Luna, and H.T. Grahn

77 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

78 Author R. Farshchi , P. Bruski , M. Ramsteiner , J. Herfort , O. Brandt , Y. Manzke , K.-J. Friedland , H.T. Grahn
Title

Multi-channel magnetotransport in Co2FeSi/(Al,Ga)As spin-LEDs

Source Solid State Commun. , 151 , 436 ( 2011 )
2182 Cite : Bibtex RIS
R. Farshchi, P. Bruski, M. Ramsteiner, J. Herfort, O. Brandt, Y. Manzke, K.-J. Friedland, and H.T. Grahn

79 Author S. Ghosh , H.T. Grahn
Title

Importance of strain for green emitters based on (In,Ga)N films of non-polar orientation

Source Phys. Status Solidi B , 248 , 1708 ( 2011 )
2185 Cite : Bibtex RIS
S. Ghosh, and H.T. Grahn

80 Author M. Wienold , L. Schrottke , M. Giehler , R. Hey , H.T. Grahn
Title

Nonlinear transport in quantum-cascade lasers: The role of electric-field domain formation for the laser characteristics

Source J. Appl. Phys. , 109 , 073112 ( 2011 )
Download: PDF | 2187 Cite : Bibtex RIS
M. Wienold, L. Schrottke, M. Giehler, R. Hey, and H.T. Grahn