Dr. Manfred Ramsteiner

Epitaxy of Ge-Sb-Te phase-change memory alloys

@article{ author = { W. Braun and R. Shayduk and T. Flissikowski and M. Ramsteiner and H.T. Grahn and H. Riechert and P. Fons and A. Kolobov }, title = { Epitaxy of Ge-Sb-Te phase-change memory alloys }, journal = { Applied Physics Letters }, volume = { 94 }, year = { 2009 }, pages = { 041902 } }

TY - JOUR AU - W. Braun AU - R. Shayduk AU - T. Flissikowski AU - M. Ramsteiner AU - H.T. Grahn AU - H. Riechert AU - P. Fons AU - A. Kolobov TI - Epitaxy of Ge-Sb-Te phase-change memory alloys JF - Applied Physics Letters JA - Appl. Phys. Lett. J1 - APL VL - 94 SP - 041902 PY - 2009/01/01

Ferromagnet-semiconductor nanowire coaxial heterostructures grown by molecular-beam epitaxy

@article{ author = { M. Hilse and Y. Takagaki and J. Herfort and M. Ramsteiner and C. Herrmann and S. Breuer and L. Geelhaar and H. Riechert }, title = { Ferromagnet-semiconductor nanowire coaxial heterostructures grown by molecular-beam epitaxy }, journal = { Applied Physics Letters }, volume = { 95 }, year = { 2009 }, pages = { 133126 } }

TY - JOUR AU - M. Hilse AU - Y. Takagaki AU - J. Herfort AU - M. Ramsteiner AU - C. Herrmann AU - S. Breuer AU - L. Geelhaar AU - H. Riechert TI - Ferromagnet-semiconductor nanowire coaxial heterostructures grown by molecular-beam epitaxy JF - Applied Physics Letters JA - Appl. Phys. Lett. J1 - APL VL - 95 SP - 133126 PY - 2009/01/01

Co₂FeSi/GaAs/(Al,Ga)As spin light-emitting diodes: Competition between spin injection and ultrafast spin alignment

@article{ author = { M. Ramsteiner and O. Brandt and T. Flissikowski and H.T. Grahn and M. Hashimoto and J. Herfort and H. Kostial }, title = { Co₂FeSi/GaAs/(Al,Ga)As spin light-emitting diodes: Competition between spin injection and ultrafast spin alignment }, journal = { Physical Review B: Solid State }, volume = { 78 }, year = { 2008 }, pages = { 121303(R) } }

TY - JOUR AU - M. Ramsteiner AU - O. Brandt AU - T. Flissikowski AU - H.T. Grahn AU - M. Hashimoto AU - J. Herfort AU - H. Kostial TI - Co₂FeSi/GaAs/(Al,Ga)As spin light-emitting diodes: Competition between spin injection and ultrafast spin alignment JF - Physical Review B: Solid State JA - Phys. Rev. B J1 - VL - 78 SP - 121303(R) PY - 2008/01/01

Hole spin polarization in GaAs:Mn/AlAs multiple quantum wells

@article{ author = { V. F. Sapega and O. Brandt and M. Ramsteiner and K. H. Ploog and I. E. Panaiotti and N. S. Averkiev }, title = { Hole spin polarization in GaAs:Mn/AlAs multiple quantum wells }, journal = { Physical Review B: Solid State }, volume = { 75 }, year = { 2007 }, pages = { 113310 } }

TY - JOUR AU - V. F. Sapega AU - O. Brandt AU - M. Ramsteiner AU - K. H. Ploog AU - I. E. Panaiotti AU - N. S. Averkiev TI - Hole spin polarization in GaAs:Mn/AlAs multiple quantum wells JF - Physical Review B: Solid State JA - Phys. Rev. B J1 - VL - 75 SP - 113310 PY - 2007/01/01

Exciton impact-ionization dynamics modulated by surface acoustic waves in GaN

@article{ author = { J. Pedros and Y. Takagaki and T. Ive and M. Ramsteiner and O. Brandt and U. Jahn and K. H. Ploog and F. Calle }, title = { Exciton impact-ionization dynamics modulated by surface acoustic waves in GaN }, journal = { Physical Review B: Solid State }, volume = { 75 }, year = { 2007 }, pages = { 115305 } }

TY - JOUR AU - J. Pedros AU - Y. Takagaki AU - T. Ive AU - M. Ramsteiner AU - O. Brandt AU - U. Jahn AU - K. H. Ploog AU - F. Calle TI - Exciton impact-ionization dynamics modulated by surface acoustic waves in GaN JF - Physical Review B: Solid State JA - Phys. Rev. B J1 - VL - 75 SP - 115305 PY - 2007/01/01

Hot-electron photoluminescence of para- and ferromagnetic (Ga,Mn)As layers

@article{ author = { V. F. Sapega and M. Ramsteiner and O. Brandt and L. Daweritz and K. H. Ploog }, title = { Hot-electron photoluminescence of para- and ferromagnetic (Ga,Mn)As layers }, journal = { AIP Conference Proceedings }, volume = { 893 }, year = { 2007 }, pages = { 1209 } }

TY - JOUR AU - V. F. Sapega AU - M. Ramsteiner AU - O. Brandt AU - L. Daweritz AU - K. H. Ploog TI - Hot-electron photoluminescence of para- and ferromagnetic (Ga,Mn)As layers JF - AIP Conference Proceedings JA - AIP Conf. Proc. J1 - VL - 893 SP - 1209 PY - 2007/01/01

Graphene field-effect devices

@article{ author = { T. J. Echtermeyer and M. C. Lemme and J. Bolten and M. Baus and M. Ramsteiner and H. Kurz }, title = { Graphene field-effect devices }, journal = { The European Physical Journal Special Topics }, volume = { 148 }, year = { 2007 }, pages = { 19 } }

TY - JOUR AU - T. J. Echtermeyer AU - M. C. Lemme AU - J. Bolten AU - M. Baus AU - M. Ramsteiner AU - H. Kurz TI - Graphene field-effect devices JF - The European Physical Journal Special Topics JA - Eur. Phys. J. Special Topics J1 - VL - 148 SP - 19 PY - 2007/01/01

Hot-electron photoluminescence study of the (Ga,Mn)As diluted magnetic semiconductor

@article{ author = { V. F. Sapega and M. Ramsteiner and O. Brandt and L. Däweritz and K. H. Ploog }, title = { Hot-electron photoluminescence study of the (Ga,Mn)As diluted magnetic semiconductor }, journal = { Physical Review B: Solid State }, volume = { 73 }, year = { 2006 }, pages = { 235208 } }

TY - JOUR AU - V. F. Sapega AU - M. Ramsteiner AU - O. Brandt AU - L. Däweritz AU - K. H. Ploog TI - Hot-electron photoluminescence study of the (Ga,Mn)As diluted magnetic semiconductor JF - Physical Review B: Solid State JA - Phys. Rev. B J1 - VL - 73 SP - 235208 PY - 2006/01/01

Electrical spin injection from room-temperature ferromagnetic (Ga,Mn)N in nitride-based spin-polarized light-emitting diodes

@article{ author = { M.-H. Ham and S. Yoon and Y. Park and L. Bian and M. Ramsteiner and J.-M. Myoung }, title = { Electrical spin injection from room-temperature ferromagnetic (Ga,Mn)N in nitride-based spin-polarized light-emitting diodes }, journal = { Journal of Physics: Condensed Matter }, volume = { 18 }, year = { 2006 }, pages = { 7703 } }

TY - JOUR AU - M.-H. Ham AU - S. Yoon AU - Y. Park AU - L. Bian AU - M. Ramsteiner AU - J.-M. Myoung TI - Electrical spin injection from room-temperature ferromagnetic (Ga,Mn)N in nitride-based spin-polarized light-emitting diodes JF - Journal of Physics: Condensed Matter JA - J. Phys.: Condens. Matter J1 - JPCM VL - 18 SP - 7703 PY - 2006/01/01

Epitaxial growth of Fe₃Si/GaAs(001) hybrid structures for spintronic application

@article{ author = { J. Herfort and H.-P. Schönherr and A. Kawaharazuka and M. Ramsteiner and K. H. Ploog }, title = { Epitaxial growth of Fe₃Si/GaAs(001) hybrid structures for spintronic application }, journal = { Journal of Crystal Growth }, volume = { 278 }, year = { 2005 }, pages = { 666 } }

TY - JOUR AU - J. Herfort AU - H.-P. Schönherr AU - A. Kawaharazuka AU - M. Ramsteiner AU - K. H. Ploog TI - Epitaxial growth of Fe₃Si/GaAs(001) hybrid structures for spintronic application JF - Journal of Crystal Growth JA - J. Cryst. Growth J1 - JGC VL - 278 SP - 666 PY - 2005/01/01