Holger T. Grahn
Holger T. Grahn
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Nitride semiconductors free of electrostatic fields for efficient white light-emitting diodes
P Waltereit, O Brandt, A Trampert, HT Grahn, J Menniger, M Ramsteiner, ...
nature 406 (6798), 865-868, 2000
Surface generation and detection of phonons by picosecond light pulses
C Thomsen, HT Grahn, HJ Maris, J Tauc
Physical Review B 34 (6), 4129, 1986
Optical communication of spin information between light emitting diodes
R Farshchi, M Ramsteiner, J Herfort, A Tahraoui, HT Grahn
Applied Physics Letters 98 (16), 2011
Picosecond ultrasonics
HT Grahn, HJ Maris, J Tauc
IEEE Journal of Quantum Electronics 25 (12), 2562-2569, 1989
Electronic band structure of wurtzite GaN under biaxial strain in the M plane investigated with photoreflectance spectroscopy
S Ghosh, P Waltereit, O Brandt, HT Grahn, KH Ploog
Physical Review B 65 (7), 075202, 2002
Non-linear dynamics of semiconductor superlattices
LL Bonilla, HT Grahn
Reports on Progress in Physics 68 (3), 577, 2005
Introduction to semiconductor physics
HT Grahn
World Scientific Publishing Company, 1999
Suitability of Au-and self-assisted GaAs nanowires for optoelectronic applications
S Breuer, C Pfuller, T Flissikowski, O Brandt, HT Grahn, L Geelhaar, ...
Nano letters 11 (3), 1276-1279, 2011
Electrical spin injection from ferromagnetic MnAs metal layers into GaAs
M Ramsteiner, HY Hao, A Kawaharazuka, HJ Zhu, M Kästner, R Hey, ...
Physical Review B 66 (8), 081304, 2002
Electric-field domains in semiconductor superlattices: a novel system for tunneling between 2D systems
HT Grahn, RJ Haug, W Müller, K Ploog
Physical review letters 67 (12), 1618, 1991
Semiconductor superlattices: growth and electronic properties
HT Grahn
World Scientific, 1995
Picosecond interferometric technique for study of phonons in the brillouin frequency range
C Thomsen, HT Grahn, HJ Maris, J Tauc
Optics communications 60 (1-2), 55-58, 1986
Electrical transport in narrow-miniband semiconductor superlattices
HT Grahn, K Von Klitzing, K Ploog, GH Döhler
Physical Review B 43 (14), 12094, 1991
Electrically tunable GHz oscillations in doped GaAs-AlAs superlattices
J Kastrup, R Hey, KH Ploog, HT Grahn, LL Bonilla, M Kindelan, ...
Physical Review B 55 (4), 2476, 1997
Synchronization and chaos induced by resonant tunneling in GaAs/AlAs superlattices
Y Zhang, J Kastrup, R Klann, KH Ploog, HT Grahn
Physical review letters 77 (14), 3001, 1996
Luminescence associated with stacking faults in GaN
J Lähnemann, U Jahn, O Brandt, T Flissikowski, P Dogan, HT Grahn
Journal of Physics D: Applied Physics 47 (42), 423001, 2014
Self-oscillations of domains in doped GaAs-AlAs superlattices
J Kastrup, R Klann, HT Grahn, K Ploog, LL Bonilla, J Galán, M Kindelan, ...
Physical Review B 52 (19), 13761, 1995
Optical studies of electric field domains in GaAs-As superlattices
HT Grahn, H Schneider, K Von Klitzing
Physical Review B 41 (5), 2890, 1990
Multistability of the current‐voltage characteristics in doped GaAs‐AlAs superlattices
J Kastrup, HT Grahn, K Ploog, F Prengel, A Wacker, E Schöll
Applied physics letters 65 (14), 1808-1810, 1994
Time-resolved study of vibrations of a-Ge:H/a-Si:H multilayers
HT Grahn, HJ Maris, J Tauc, B Abeles
Physical Review B 38 (9), 6066, 1988
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