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: Intersubband emitters , Nanoanalytics , III-V nanowires for optoelectronics

 

 

221 Author P. Waltereit , O. Brandt , M. Ramsteiner , A. Trampert , H.T. Grahn , J. Menniger , M. Reiche , K. H. Ploog
Title

M-plane GaN(1|100) grown on γ-LiAlO2(100): nitride semiconductors free of internal electrostatic fields

Source J. Cryst. Growth , 227/228 , 437 ( 2001 )
696 Cite : Bibtex RIS
P. Waltereit, O. Brandt, M. Ramsteiner, A. Trampert, H.T. Grahn, J. Menniger, M. Reiche, and K. H. Ploog

222 Author U. Behn , A. Thamm , O. Brandt , H.T. Grahn
Title

Unpinned behavior of the surface Fermi level of GaN detected by photoreflectance spectroscopy

Source J. Appl. Phys. , 87 , 4315 ( 2000 )
Download: PDF | 715 Cite : Bibtex RIS
U. Behn, A. Thamm, O. Brandt, and H.T. Grahn

223 Author U. Behn , A. Thamm , O. Brandt , H.T. Grahn
Title

Temperature dependence of the photoreflectance lineshape for GaN films grown by molecular beam epitaxy

Source Phys. Status Solidi A , 180 , 381 ( 2000 )
716 Cite : Bibtex RIS
U. Behn, A. Thamm, O. Brandt, and H.T. Grahn

224 Author K. Fujiwara , M. Ohe , M. Matsuo , T. Nogami , H.T. Grahn , K. H. Ploog
Title

Competitive capture dynamics of photogenerated carriers in a GaAs/Al0.17Ga0.83As triple quantum well with different well thicknesses

Source Proc. ISCS 26 , 166 , 103 ( 2000 )
736 Cite : Bibtex RIS
K. Fujiwara, M. Ohe, M. Matsuo, T. Nogami, H.T. Grahn, and K. H. Ploog

225 Author H.T. Grahn
Title

Current self-oscillations and chaos in semiconductor superlattices

Source Proc. SCSM 16 , 193 ( 2000 )
740 Cite : Bibtex RIS
and H.T. Grahn

226 Author H.T. Grahn , A. Thamm , P. Waltereit , O. Brandt , K. H. Ploog
Title

Influence of internal electric fields on the carrier dynamics in GaN/(Al,Ga)N multiple quantum wells with different orientation and strain state

Source Proc. IWN 2000 , 520 ( 2000 )
741 Cite : Bibtex RIS
H.T. Grahn, A. Thamm, P. Waltereit, O. Brandt, and K. H. Ploog

227 Author U. Jahn , R. Nötzel , R. Hey , H.T. Grahn , K. H. Ploog
Title

Surfaces and interfaces of (Al,Ga)As heterostructures on unpatterned and patterned GaAs substrates

Source Jpn. J. Appl. Phys., Part 1 , 39 , 4512 ( 2000 )
754 Cite : Bibtex RIS
U. Jahn, R. Nötzel, R. Hey, H.T. Grahn, and K. H. Ploog

228 Author S. R. Jin , M. Ramsteiner , H.T. Grahn , K. H. Ploog , Z. Q. Zhu , D. X. Shen , A. Z. Li , P. Metev , L. J. Guido
Title

Suppression of yellow luminescence in As-doped GaN epilayers grown by metalorganic chemical vapor deposition

Source J. Cryst. Growth , 212 , 56 ( 2000 )
755 Cite : Bibtex RIS
S. R. Jin, M. Ramsteiner, H.T. Grahn, K. H. Ploog, Z. Q. Zhu, D. X. Shen, A. Z. Li, P. Metev, and L. J. Guido

229 Author S. R. Jin , M. Ramsteiner , H.T. Grahn , K. H. Ploog , Z. H. Li , D. X. Shen , Z. Q. Zhu
Title

Fundamental relationship of excitonic photoluminescence intensity with excitation density in semiconductor quantum well structures

Source J. Appl. Phys. , 88 , 4075 ( 2000 )
Download: PDF | 756 Cite : Bibtex RIS
S. R. Jin, M. Ramsteiner, H.T. Grahn, K. H. Ploog, Z. H. Li, D. X. Shen, and Z. Q. Zhu

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

Time-resolved studies of exciton recombination in direct-gap GaAs/AlAs superlattices

Source Proc. ISNPT 8 , 272 ( 2000 )
774 Cite : Bibtex RIS
V. G. Litovchenko, D. V. Korbutyak, S. G. Krylyuk, H.T. Grahn, and K. H. Ploog