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 M. H. Oliveira Jr. , T. Schumann , R. Gargallo-Caballero , F. Fromm , T. Seyller , M. Ramsteiner , A. Trampert , L. Geelhaar , J. M. J. Lopes , H. Riechert
Title

Mono- and few-layer nanocrystalline graphene grown on Al2O3(0001) by molecular beam epitaxy

Source Carbon , 56 , 339 ( 2013 )
2374 Cite : Bibtex RIS
M. H. Oliveira Jr., T. Schumann, R. Gargallo-Caballero, F. Fromm, T. Seyller, M. Ramsteiner, A. Trampert, L. Geelhaar, J. M. J. Lopes, and H. Riechert

62 Author Y. Manzke , R. Farshchi , P. Bruski , J. Herfort , M. Ramsteiner
Title

Non-volatile reconfigurable current divider based on spin extraction in lateral ferromagnet/nonmagnet transport structures

Source Phys. Rev. B , 87 , 134415 ( 2013 )
Download: PDF | 2376 Cite : Bibtex RIS
Y. Manzke, R. Farshchi, P. Bruski, J. Herfort, and M. Ramsteiner

63 Author Y. Manzke , R. Farshchi , P. Bruski , J. Herfort , M. Ramsteiner
Title

Multiple extraction spin valves for spintronic circuits

Source IEEE Trans. Magn. , 49 , 4367 ( 2013 )
2377 Cite : Bibtex RIS
Y. Manzke, R. Farshchi, P. Bruski, J. Herfort, and M. Ramsteiner

64 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

65 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

66 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

67 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

68 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

69 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

70 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