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: Ferromagnet/ semiconductor hybrid structures , Intersubband emitters , III-V nanowires for optoelectronics

 

 

261 Author O. Brandt , B. Yang , H.-J. Wünsche , U. Jahn , J. Ringling , G. Paris , H.T. Grahn , K. H. Ploog
Title

Impact of exciton diffusion on the optical properties of thin GaN layers

Source Phys. Rev. B , 58 , R13407 ( 1998 )
Download: PDF | 968 Cite : Bibtex RIS
O. Brandt, B. Yang, H.-J. Wünsche, U. Jahn, J. Ringling, G. Paris, H.T. Grahn, and K. H. Ploog

262 Author H.T. Grahn
Title

Hot electrons and space charge waves in superlattices

Source HESPD , 357 ( 1998 )
986 Cite : Bibtex RIS
and H.T. Grahn

263 Author H.T. Grahn , J. Ringling , O. Brandt , B. Yang , K. Ploog , J. Off , F. Scholz
Title

Temperature dependence of the photoluminescence decay time in thin GaN layers on 6H-SiC(0001)

Source Proc. ISBLLED 1998 , 202 ( 1998 )
987 Cite : Bibtex RIS
H.T. Grahn, J. Ringling, O. Brandt, B. Yang, K. Ploog, J. Off, and F. Scholz

264 Author U. Jahn , R. Hey , H. Kostial , H.T. Grahn
Title

Correlation of cathodoluminescence and EBIC contrast in GaAs/AlxGa1-xAs quantum well structures

Source Solid State Phenom. , 63/64 , 473 ( 1998 )
999 Cite : Bibtex RIS
U. Jahn, R. Hey, H. Kostial, and H.T. Grahn

265 Author B. Jenichen , H.T. Grahn , T. Kojima , S. Arai
Title

Lateral periodicity and elastic stress relaxation in GaInAsP quantum wires on InP investigated by x-ray diffractometry

Source J. Appl. Phys. , 83 , 5810 ( 1998 )
Download: PDF | 1000 Cite : Bibtex RIS
B. Jenichen, H.T. Grahn, T. Kojima, and S. Arai

266 Author V. G. Litovchenko , D. V. Korbutyak , S. G. Krylyuk , H.T. Grahn , R. Klann , K. H. Ploog
Title

Identification of electron-hole transitions in short-period GaAs/AlAs superlattices by time-resolved photoluminescence

Source Proc. SPIE Int. Soc. Opt. Eng. , 3359 , 182 ( 1998 )
1022 Cite : Bibtex RIS
V. G. Litovchenko, D. V. Korbutyak, S. G. Krylyuk, H.T. Grahn, R. Klann, and K. H. Ploog

267 Author K. J. Luo , H.T. Grahn , K. H. Ploog
Title

The relocation time of the domain boundary in weakly coupled GaAs/AlAs superlattices

Source Phys. Rev. B , 57 , R6838 ( 1998 )
Download: PDF | 1025 Cite : Bibtex RIS
K. J. Luo, H.T. Grahn, and K. H. Ploog

268 Author K. J. Luo , H.T. Grahn , K. H. Ploog , L. L. Bonilla
Title

Explosive bifurcation to chaos in a weakly coupled semiconductor superlattice

Source Phys. Rev. Lett. , 81 , 1290 ( 1998 )
Download: PDF | 1026 Cite : Bibtex RIS
K. J. Luo, H.T. Grahn, K. H. Ploog, and L. L. Bonilla

269 Author K. J. Luo , H.T. Grahn , S. W. Teitsworth , K. H. Ploog
Title

Influence of higher harmonics on Poincaré maps derived from current self-oscillations in a semiconductor superlattice

Source Phys. Rev. B , 58 , 12613 ( 1998 )
Download: PDF | 1027 Cite : Bibtex RIS
K. J. Luo, H.T. Grahn, S. W. Teitsworth, and K. H. Ploog

270 Author N. Ohtani , N. Egami , K. Fujiwara , H.T. Grahn
Title

Photocurrent self-oscillations in undoped GaAs/AlAs superlattices modulated by an external ac voltage

Source Solid-State Electron. , 42 , 1509 ( 1998 )
1043 Cite : Bibtex RIS
N. Ohtani, N. Egami, K. Fujiwara, and H.T. Grahn