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

 

 

281 Author U. Jahn , M. Ramsteiner , R. Hey , H.T. Grahn , E. Runge , R. Zimmermann
Title

Effective exciton mobility edge in narrow quantum wells

Source Phys. Rev. B , 56 , R4387 ( 1997 )
Download: PDF | 1132 Cite : Bibtex RIS
U. Jahn, M. Ramsteiner, R. Hey, H.T. Grahn, E. Runge, and R. Zimmermann

282 Author J. W. Kantelhardt , H.T. Grahn , K. H. Ploog , M. Moscoso , A. Perales , L. L. Bonilla
Title

Spikes in the current self-oscillations of doped GaAs/AlAs superlattices

Source Phys. Status Solidi B , 204 , 500 ( 1997 )
1143 Cite : Bibtex RIS
J. W. Kantelhardt, H.T. Grahn, K. H. Ploog, M. Moscoso, A. Perales, and L. L. Bonilla

283 Author J. Kastrup , R. Hey , K. H. Ploog , H.T. Grahn , L. L. Bonilla , M. Kindelan , M. Moscoso , A. Wacker , J. Galan
Title

Electrically tunable GHz oscillations in doped GaAs/AlAs superlattices, ewline

Source Phys. Rev. B , 55 , 2476 ( 1997 )
Download: PDF | 1144 Cite : Bibtex RIS
J. Kastrup, R. Hey, K. H. Ploog, H.T. Grahn, L. L. Bonilla, M. Kindelan, M. Moscoso, A. Wacker, and J. Galan

284 Author R. Klann , O. Brandt , H. Yang , H.T. Grahn , K. H. Ploog
Title

Optical gain in optically pumped cubic GaN at room temperature

Source Appl. Phys. Lett. , 70 , 1076 ( 1997 )
Download: PDF | 1145 Cite : Bibtex RIS
R. Klann, O. Brandt, H. Yang, H.T. Grahn, and K. H. Ploog

285 Author R. Klann , O. Brandt , H. Yang , H.T. Grahn , K. H. Ploog
Title

Time-resolved photoluminescence investigations of cubic GaN layers and crystals up to room temperature

Source Appl. Phys. Lett. , 70 , 1808 ( 1997 )
Download: PDF | 1146 Cite : Bibtex RIS
R. Klann, O. Brandt, H. Yang, H.T. Grahn, and K. H. Ploog

286 Author N. Linder , U. Behn , F. Agullo-Rueda , H.T. Grahn , L. Schrottke , K. H. Ploog
Title

Excitonic effects in the miniband formation of graded-gap superlattices

Source Phys. Rev. B , 55 , 15720 ( 1997 )
Download: PDF | 1158 Cite : Bibtex RIS
N. Linder, U. Behn, F. Agullo-Rueda, H.T. Grahn, L. Schrottke, and K. H. Ploog

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

Enhancement of electron-phonon interaction in ultra-short period GaAs-AlAs superlattices

Source Phys. Rev. B , 55 , 10621 ( 1997 )
Download: PDF | 1159 Cite : Bibtex RIS
V. G. Litovchenko, D. V. Korbutyak, S. G. Krylyuk, H.T. Grahn, and K. H. Ploog

288 Author A. Mazuelas , R. Hey , B. Jenichen , H.T. Grahn
Title

Alternating Be and C doping for strain compensated GaAs/AlAs distributed Bragg reflectors

Source Appl. Phys. Lett. , 70 , 2088 ( 1997 )
Download: PDF | 1160 Cite : Bibtex RIS
A. Mazuelas, R. Hey, B. Jenichen, and H.T. Grahn

289 Author A. Mazuelas , R. Hey , B. Jenichen , H.T. Grahn
Title

X-ray investigations of strain-compensated GaAs:C/AlAs:C distributed Bragg reflectors

Source Nuovo Cimento D , 19 , 313 ( 1997 )
1161 Cite : Bibtex RIS
A. Mazuelas, R. Hey, B. Jenichen, and H.T. Grahn

290 Author A. Mazuelas , R. Hey , M. Wassermeier , H.T. Grahn
Title

Strain compensation in highly carbon doped GaAs/AlAs distributed Bragg reflectors

Source J. Cryst. Growth , 175/176 , 383 ( 1997 )
1162 Cite : Bibtex RIS
A. Mazuelas, R. Hey, M. Wassermeier, and H.T. Grahn