PDI -> Staff ->

Dr. Manfred Ramsteiner

Senior Scientist

Manfred Ramsteiner

phone: +49 30 20377 338

room: 0531

email: ramsteiner@pdi-berlin.de

 

Department: Semiconductor Spectroscopy

Core research areas: Ferromagnet/ semiconductor hybrid structures , Nanofabrication , III-V nanowires for optoelectronics

 

 

61 Author Y. J. Cho , X. Lue , M. Wienold , M. Ramsteiner , H.T. Grahn , O. Brandt
Title

Auger recombination as the dominant nonradiative recombination channel in InN

Source Phys. Rev. B , 87 , 155203 ( 2013 )
Download: PDF | 2381 Cite : Bibtex RIS
Y. J. Cho, X. Lue, M. Wienold, M. Ramsteiner, H.T. Grahn, and O. Brandt

62 Author Y. J. Cho , M. Ramsteiner , O. Brandt
Title

Observation of the electron-accumulation layer at the surface of InN by cross-sectional micro-Raman spectroscopy

Source Appl. Phys. Lett. , 102 , 072101 ( 2013 )
Download: PDF | 2384 Cite : Bibtex RIS
Y. J. Cho, M. Ramsteiner, and O. Brandt

63 Author M. Wölz , M. Ramsteiner , V. M. Kaganer , O. Brandt , L. Geelhaar , H. Riechert
Title

Strain engineering of nanowire multi-quantum wells demonstrated by Raman spectroscopy

Source Nano Lett. , 13 , 4053 ( 2013 )
2407 Cite : Bibtex RIS
M. Wölz, M. Ramsteiner, V. M. Kaganer, O. Brandt, L. Geelhaar, and H. Riechert

64 Author P. Bruski , Y. Manzke , R. Farshchi , O. Brandt , J. Herfort , M. Ramsteiner
Title

All-electrical spin injection and detection in the Co2FeSi/GaAs hybrid system in the local and non-local configuration

Source Appl. Phys. Lett. , 103 , 052406 ( 2013 )
Download: PDF | 2424 Cite : Bibtex RIS
P. Bruski, Y. Manzke, R. Farshchi, O. Brandt, J. Herfort, and M. Ramsteiner

65 Author M. Ramsteiner , O. Brandt , P. Kusch , S. Breuer , S. Reich , L. Geelhaar
Title

Quenching of the E2 phonon line in the Raman spectra of wurtzite GaAs nanowires caused by the dielectric polarization contrast

Source Appl. Phys. Lett. , 103 , 043121 ( 2013 )
Download: PDF | 2427 Cite : Bibtex RIS
M. Ramsteiner, O. Brandt, P. Kusch, S. Breuer, S. Reich, and L. Geelhaar

66 Author M. Wölz , J. Lähnemann , O. Brandt , V. M. Kaganer , M. Ramsteiner , C. Pfüller , C. Hauswald , C. N. Huang , L. Geelhaar , H. Riechert
Title

Correlation between In content and emission wavelength of InxGa1-xN/GaN nanowire heterostructures

Source Nanotechnology , 23 , 455203 ( 2012 )
DOI : 10.1088/0957-4484/23/45/455203 | Download arXiv: 1210.7597 | 2317 Cite : Bibtex RIS
M. Wölz, J. Lähnemann, O. Brandt, V. M. Kaganer, M. Ramsteiner, C. Pfüller, C. Hauswald, C. N. Huang, L. Geelhaar, and H. Riechert

67 Author U. Jahn , J. Lähnemann , C. Pfüller , O. Brandt , S. Breuer , B. Jenichen , M. Ramsteiner , L. Geelhaar , H. Riechert
Title

Luminescence of GaAs nanowires consisting of wurtzite and zinc-blende segments

Source Phys. Rev. B , 85 , 045323 ( 2012 )
DOI : 10.1103/PhysRevB.85.045323 | Download: PDF | 2275 Cite : Bibtex RIS
U. Jahn, J. Lähnemann, C. Pfüller, O. Brandt, S. Breuer, B. Jenichen, M. Ramsteiner, L. Geelhaar, and H. Riechert

68 Author P. Bruski , K.-J. Friedland , R. Farshchi , J. Herfort , M. Ramsteiner
Title

Spatial distribution of structural disorder in Co2FeSi films studied by anisotropic magnetoresistance

Source Solid State Commun. , 152 , 1131 ( 2012 )
2235 Cite : Bibtex RIS
P. Bruski, K.-J. Friedland, R. Farshchi, J. Herfort, and M. Ramsteiner

69 Author Y. Takagaki , B. Jenichen , U. Jahn , M. Ramsteiner , K.-J. Friedland
Title

Weak antilocalization and electron-electron interaction effects in Cu-doped Bi2Se3 films

Source Phys. Rev. B , 85 , 115314 ( 2012 )
Download: PDF | 2268 Cite : Bibtex RIS
Y. Takagaki, B. Jenichen, U. Jahn, M. Ramsteiner, and K.-J. Friedland

70 Author Y. J. Cho , M. Ramsteiner , O. Brandt
Title

Raman scattering by wavevector-dependent coupled plasmon/LO-phonon modes in n-type InN

Source Phys. Rev. B , 85 , 195209 ( 2012 )
Download: PDF | 2283 Cite : Bibtex RIS
Y. J. Cho, M. Ramsteiner, and O. Brandt