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 | 2189 | 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 | 2089 | 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 | 404 | 2011 |
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 | 346 | 2002 |
Picosecond ultrasonics HT Grahn, HJ Maris, J Tauc IEEE Journal of Quantum Electronics 25 (12), 2562-2569, 1989 | 340 | 1989 |
Introduction to semiconductor physics HT Grahn World Scientific Publishing Company, 1999 | 274 | 1999 |
Non-linear dynamics of semiconductor superlattices LL Bonilla, HT Grahn Reports on Progress in Physics 68 (3), 577, 2005 | 273 | 2005 |
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 | 250 | 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 | 233 | 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 | 211 | 1991 |
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 | 211 | 1986 |
Semiconductor superlattices: growth and electronic properties HT Grahn World Scientific, 1995 | 209 | 1995 |
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 | 185 | 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 | 174 | 1996 |
Electrical transport in narrow-miniband semiconductor superlattices HT Grahn, K Von Klitzing, K Ploog, GH Döhler Physical Review B 43 (14), 12094, 1991 | 169 | 1991 |
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 | 152 | 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 | 148 | 1995 |
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 | 140 | 1994 |
Optical studies of electric field domains in GaAs-As superlattices HT Grahn, H Schneider, K Von Klitzing Physical Review B 41 (5), 2890, 1990 | 139 | 1990 |
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 | 138 | 1988 |