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

 

 

21 Author S. Ghosh , O. Brandt , H.T. Grahn , K. H. Ploog
Title

Electronic band structure of strained C- and M-plane GaN films investigated by polarized photoreflectance spectroscopy

Source Proc. ICPS 26 , 171 , P3 ( 2003 )
93 Cite : Bibtex RIS
S. Ghosh, O. Brandt, H.T. Grahn, and K. H. Ploog

22 Author S. Ghosh , P. Misra , O. Brandt , H.T. Grahn
Title

Polarization-sensitive photo-detectors based on strained M-plane GaN

Source Proc. ISCS 29 , 174 , 431 ( 2003 )
94 Cite : Bibtex RIS
S. Ghosh, P. Misra, O. Brandt, and H.T. Grahn

23 Author Pranob Misra , Y. J. Sun , O. Brandt , H.T. Grahn
Title

Angular dependence of the in-plane polarization anisotropy in the absorption coefficient of strained M-plane GaN films on γ-LiAlO2

Source Phys. Status Solidi B , 240 , 293 ( 2003 )
124 Cite : Bibtex RIS
Pranob Misra, Y. J. Sun, O. Brandt, and H.T. Grahn

24 Author Y. J. Sun , O. Brandt , S. Cronenberg , H.T. Grahn , K. H. Ploog
Title

Impact of exciton localization on the optical properties of non-polar M-plane In0.1Ga0.9N/GaN multiple quantum wells

Source Phys. Status Solidi B , 240 , 360 ( 2003 )
134 Cite : Bibtex RIS
Y. J. Sun, O. Brandt, S. Cronenberg, H.T. Grahn, and K. H. Ploog

25 Author A. Kawaharazuka , M. Ramsteiner , H. J. Zhu , H. Y.- Hao , H.T. Grahn , M. Kästner , R. Hey , L. Däweritz , K. H. Ploog
Title

Electrical spin injection from MnAs into GaAs

Source Proc. ICPS 26 , 171 , R3_5 ( 2003 )
247 Cite : Bibtex RIS
A. Kawaharazuka, M. Ramsteiner, H. J. Zhu, H. Y.- Hao, H.T. Grahn, M. Kästner, R. Hey, L. Däweritz, and K. H. Ploog

26 Author S. Ghosh , P. Waltereit , O. Brandt , H.T. Grahn , K. H. Ploog
Title

Polarization-dependent spectroscopy study of M-plane GaN on γ-LiAlO2

Source Appl. Phys. Lett. , 80 , 413 ( 2002 )
Download: PDF | 438 Cite : Bibtex RIS
S. Ghosh, P. Waltereit, O. Brandt, H.T. Grahn, and K. H. Ploog

27 Author S. Ghosh , P. Waltereit , O. Brandt , H.T. Grahn , K. H. Ploog
Title

Electronic band structure of wurtzide GaN under biaxial strain in the M-plane investigated with photoreflectance spectroscopy

Source Phys. Rev. B , 65 , 075202 ( 2002 )
Download: PDF | 439 Cite : Bibtex RIS
S. Ghosh, P. Waltereit, O. Brandt, H.T. Grahn, and K. H. Ploog

28 Author S. Ghosh , P. Waltereit , A. Thamm , O. Brandt , H.T. Grahn , K. H. Ploog
Title

Comparative study of the electron band structure of strained C-plane and M-plane GaN films by polarization photoreflectance spectroscopy

Source Phys. Status Solidi A , 192 , 72 ( 2002 )
440 Cite : Bibtex RIS
S. Ghosh, P. Waltereit, A. Thamm, O. Brandt, H.T. Grahn, and K. H. Ploog

29 Author S. Ghosh , O. Brandt , H.T. Grahn , K. H. Ploog
Title

Strained M-plane GaN for the realization of polarization-sensitive photodetectors

Source Appl. Phys. Lett. , 81 , 3380 ( 2002 )
Download: PDF | 441 Cite : Bibtex RIS
S. Ghosh, O. Brandt, H.T. Grahn, and K. H. Ploog

30 Author S. Ghosh , O. Brandt , H.T. Grahn , K. H. Ploog
Title

Electronic band structure of strained C-plane and M-plane GaN films investigated by polarized photoreflectance spectroscopy

Source Phys. Status Solidi B , 234 , 882 ( 2002 )
442 Cite : Bibtex RIS
S. Ghosh, O. Brandt, H.T. Grahn, and K. H. Ploog