Dr. Manfred Ramsteiner

Growth-mode-induced surface morphology and its relation to optical properties of GaAs single quantum wells

@article{ author = { R. Hey and I. Gorbunova and M. Ramsteiner and M. Wassermeier and L. Däweritz and K. H. Ploog }, title = { Growth-mode-induced surface morphology and its relation to optical properties of GaAs single quantum wells }, journal = { Journal of Crystal Growth }, volume = { 175/176 }, year = { 1997 }, pages = { 1167 } }

TY - JOUR AU - R. Hey AU - I. Gorbunova AU - M. Ramsteiner AU - M. Wassermeier AU - L. Däweritz AU - K. H. Ploog TI - Growth-mode-induced surface morphology and its relation to optical properties of GaAs single quantum wells JF - Journal of Crystal Growth JA - J. Cryst. Growth J1 - JGC VL - 175/176 SP - 1167 PY - 1997/01/01

Random potential fluctuations in thin quantum wells probed by localized excitons

@article{ author = { U. Jahn and M. Ramsteiner and R. Hey and H.T. Grahn }, title = { Random potential fluctuations in thin quantum wells probed by localized excitons }, journal = { Physica Status Solidi A }, volume = { 164 }, year = { 1997 }, pages = { 517 } }

TY - JOUR AU - U. Jahn AU - M. Ramsteiner AU - R. Hey AU - H.T. Grahn TI - Random potential fluctuations in thin quantum wells probed by localized excitons JF - Physica Status Solidi A JA - Phys. Status Solidi A J1 - PSSA VL - 164 SP - 517 PY - 1997/01/01

Effective exciton mobility edge in narrow quantum wells

@article{ author = { U. Jahn and M. Ramsteiner and R. Hey and H.T. Grahn and E. Runge and R. Zimmermann }, title = { Effective exciton mobility edge in narrow quantum wells }, journal = { Physical Review B: Solid State }, volume = { 56 }, year = { 1997 }, pages = { R4387 } }

TY - JOUR AU - U. Jahn AU - M. Ramsteiner AU - R. Hey AU - H.T. Grahn AU - E. Runge AU - R. Zimmermann TI - Effective exciton mobility edge in narrow quantum wells JF - Physical Review B: Solid State JA - Phys. Rev. B J1 - VL - 56 SP - R4387 PY - 1997/01/01

Patterned growth on GaAs(311)A substrates

@article{ author = { R. Nötzel and J. Menniger and M. Ramsteiner and A. Trampert and H.-P. Schönherr and L. Däweritz and K. H. Ploog }, title = { Patterned growth on GaAs(311)A substrates }, journal = { Journal of Crystal Growth }, volume = { 175/176 }, year = { 1997 }, pages = { 1114 } }

TY - JOUR AU - R. Nötzel AU - J. Menniger AU - M. Ramsteiner AU - A. Trampert AU - H.-P. Schönherr AU - L. Däweritz AU - K. H. Ploog TI - Patterned growth on GaAs(311)A substrates JF - Journal of Crystal Growth JA - J. Cryst. Growth J1 - JGC VL - 175/176 SP - 1114 PY - 1997/01/01

Enhancement of optical nonlinearity in strained (InGa)As sidewall quantum wires on patterned GaAs (311)A substrates

@article{ author = { R. Nötzel and M. Ramsteiner and Z. Niu and H.-P. Schönherr and L. Däweritz and K. H. Ploog }, title = { Enhancement of optical nonlinearity in strained (InGa)As sidewall quantum wires on patterned GaAs (311)A substrates }, journal = { Applied Physics Letters }, volume = { 70 }, year = { 1997 }, pages = { 1578 } }

TY - JOUR AU - R. Nötzel AU - M. Ramsteiner AU - Z. Niu AU - H.-P. Schönherr AU - L. Däweritz AU - K. H. Ploog TI - Enhancement of optical nonlinearity in strained (InGa)As sidewall quantum wires on patterned GaAs (311)A substrates JF - Applied Physics Letters JA - Appl. Phys. Lett. J1 - APL VL - 70 SP - 1578 PY - 1997/01/01

Influence of composition fluctuations in Al(Ga)As barriers on the exciton localization in thin quantum wells

@article{ author = { M. Ramsteiner and R. Hey and R. Klann and U. Jahn and I. Gorbunova and K. H. Ploog }, title = { Influence of composition fluctuations in Al(Ga)As barriers on the exciton localization in thin quantum wells }, journal = { Physical Review B: Solid State }, volume = { 55 }, year = { 1997 }, pages = { 5239 } }

TY - JOUR AU - M. Ramsteiner AU - R. Hey AU - R. Klann AU - U. Jahn AU - I. Gorbunova AU - K. H. Ploog TI - Influence of composition fluctuations in Al(Ga)As barriers on the exciton localization in thin quantum wells JF - Physical Review B: Solid State JA - Phys. Rev. B J1 - VL - 55 SP - 5239 PY - 1997/01/01

Response to “Comment on ‘Shallow donors in GaN studied by electronic Raman scattering in resonance with yellow luminescence transitions’ ” [Appl. Phys. Lett. 70, 909 (1997)]

@article{ author = { M. Ramsteiner and J. Menniger and O. Brandt and H. Yang and K. H. Ploog }, title = { Response to “Comment on ‘Shallow donors in GaN studied by electronic Raman scattering in resonance with yellow luminescence transitions’ ” [Appl. Phys. Lett. 70, 909 (1997)] }, journal = { Applied Physics Letters }, volume = { 70 }, year = { 1997 }, pages = { 910 } }

TY - JOUR AU - M. Ramsteiner AU - J. Menniger AU - O. Brandt AU - H. Yang AU - K. H. Ploog TI - Response to “Comment on ‘Shallow donors in GaN studied by electronic Raman scattering in resonance with yellow luminescence transitions’ ” [Appl. Phys. Lett. 70, 909 (1997)] JF - Applied Physics Letters JA - Appl. Phys. Lett. J1 - APL VL - 70 SP - 910 PY - 1997/01/01

Near-field optical spectroscopy of carrier exchange between quantum wells and single GaAs quantum wires

@article{ author = { A. Richter and G. Behme and M. Süptitz and Ch. Lienau and T. Elsaesser and M. Ramsteiner and R. Nötzel and K. H. Ploog }, title = { Near-field optical spectroscopy of carrier exchange between quantum wells and single GaAs quantum wires }, journal = { Physica Status Solidi B }, volume = { 204 }, year = { 1997 }, pages = { 247 } }

TY - JOUR AU - A. Richter AU - G. Behme AU - M. Süptitz AU - Ch. Lienau AU - T. Elsaesser AU - M. Ramsteiner AU - R. Nötzel AU - K. H. Ploog TI - Near-field optical spectroscopy of carrier exchange between quantum wells and single GaAs quantum wires JF - Physica Status Solidi B JA - Phys. Status Solidi B J1 - PSSB VL - 204 SP - 247 PY - 1997/01/01

Real-space transfer and trapping of carriers into single GaAs quantum wires studied by near-field optical spectroscopy

@article{ author = { A. Richter and G. Behme and M. Süptitz and Ch. Lienau and T. Elsaesser and M. Ramsteiner and R. Nötzel and K. H. Ploog }, title = { Real-space transfer and trapping of carriers into single GaAs quantum wires studied by near-field optical spectroscopy }, journal = { Physical Review Letters }, volume = { 79 }, year = { 1997 }, pages = { 2145 } }

TY - JOUR AU - A. Richter AU - G. Behme AU - M. Süptitz AU - Ch. Lienau AU - T. Elsaesser AU - M. Ramsteiner AU - R. Nötzel AU - K. H. Ploog TI - Real-space transfer and trapping of carriers into single GaAs quantum wires studied by near-field optical spectroscopy JF - Physical Review Letters JA - Phys. Rev. Lett. J1 - PRL VL - 79 SP - 2145 PY - 1997/01/01

Near-field optical spectroscopy of single GaAs quantum wires

@article{ author = { A. Richter and M. Süptitz and C. Lienau and T. Elsaesser and M. Ramsteiner and R. Nötzel and K. H. Ploog }, title = { Near-field optical spectroscopy of single GaAs quantum wires }, journal = { Surface and Interface Analysis }, volume = { 25 }, year = { 1997 }, pages = { 583 } }

TY - JOUR AU - A. Richter AU - M. Süptitz AU - C. Lienau AU - T. Elsaesser AU - M. Ramsteiner AU - R. Nötzel AU - K. H. Ploog TI - Near-field optical spectroscopy of single GaAs quantum wires JF - Surface and Interface Analysis JA - Surf. Interface Anal. J1 - SIA VL - 25 SP - 583 PY - 1997/01/01