Senior Scientist
Telefon: +49 30 20377 338
Raum: 0531
Email: ramsteiner@pdi-berlin.de
Abteilung: Semiconductor Spectroscopy
Core research areas: Ferromagnet/ semiconductor hybrid structures , Nanofabrication , III-V nanowires for optoelectronics
1 | Autor | A. Papadogianni , C. Wouters , R. Schewski , J. Feldl , J. Lähnemann , T. Nagata , M. Feneberg , E. Kluth , R. Goldhahn , M. Ramsteiner , M. Albrecht , O. Bierwagen |
Titel |
Molecular beam epitaxy of single-crystalline bixbyite (In1-xGax)2O3 films (x≤0.18): Structural properties and consequences of compositional inhomogeneity |
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Source | Phys. Rev. Mater. , 6 , 033604 ( 2022 ) | |
DOI : 10.1103/PhysRevMaterials.6.033604 | arxiv: 2106.09612 | Cite : Bibtex RIS |
2 | Autor | P. Seyidov , M. Ramsteiner , Z. Galazka , K. Irmscher |
Titel |
Resonant electronic Raman scattering from Ir4+ ions in beta-Ga2O3 |
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Source | J. Appl. Phys. , 131 , 035707 ( 2022 ) | |
DOI : 10.1063/5.0080248 | Download: PDF | Cite : Bibtex RIS |
3 | Autor | Y. Takagaki , M. Hanke , M. Ramsteiner |
Titel |
Surfactant-induced alterations of epitaxial orientation in $\beta$-In$_{2}$S$_{3}$ layers on InP |
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Source | Cryst. Growth Des. , 21 , 6314 ( 2021 ) | |
DOI : 10.1021/acs.cgd.1c00756 | Cite : Bibtex RIS |
4 | Autor | J. M. J. Lopes , D. Czubak , E. Zallo , A.I. Figueroa , C. Guillemard , M. Valvidares , J.R. Zuazo , J. López-Sanchéz , S.O. Valenzuela , M. Hanke , M. Ramsteiner |
Titel |
Large-area van der Waals epitaxy and magnetic characterization of Fe 3 GeTe 2 films on graphene |
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Source | 2D Mater. , 8 , 041001 ( 2021 ) | |
DOI : 10.1088/2053-1583/ac171d | arxiv: arXiv:2104.09184 | Cite : Bibtex RIS |
5 | Autor | J. Feldl , M. Feneberg , A. Papadogianni , J. Lähnemann , T. Nagata , O. Bierwagen , R. Goldhahn , M. Ramsteiner |
Titel |
Band gap widening and phonon behavior of cubic single-crystalline (In,Ga)2O3 alloy films |
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Source | Appl. Phys. Lett. , 119 , 042101 ( 2021 ) | |
DOI : 10.1063/5.0056532 | Download: PDF | Cite : Bibtex RIS |
6 | Autor | T. Auzelle , M. Azadmand , T. Flissikowski , M. Ramsteiner , K. Morgenroth , C. Stemmler , S. Fernández-Garrido , S. Sanguinetti , H. T. Grahn , L. Geelhaar , O. Brandt |
Titel |
Enhanced radiative efficiency in GaN nanowires grown on sputtered TiNx |
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Source | ACS Photonics , 8 , 1718 ( 2021 ) | |
DOI : 10.1021/acsphotonics.1c00224 | arxiv: 2001.06387 | Cite : Bibtex RIS |
7 | Autor | Y. W. Windsor , D. Zahn , R. Kamrla , J. Feldl , H. Seiler , C.-T. Chiang , M. Ramsteiner , W. Widdra , R. Ernstorfer , L. Rettig |
Titel |
Exchange-Striction Driven Ultrafast Nonthermal Lattice Dynamics in NiO |
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Source | Phys. Rev. Lett. , 126 , 147202 ( 2021 ) | |
DOI : 10.1103/PhysRevLett.126.147202 | Download: PDF | Cite : Bibtex RIS |
8 | Autor | Y. Takagaki , B. Jenichen , M. Ramsteiner , J. Herfort |
Titel |
Dependence of interfacial resistance switching on transition metal constituent M = Cu, Ag, and Ni for chalcogenides Bi-M-S |
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Source | J. Alloy. Comp. , 858 , 157709 ( 2021 ) | |
DOI : https://doi.org/10.1016/j.jallcom.2020.157709 | Cite : Bibtex RIS |
9 | Autor | M. Budde , D. Splith , P. Mazzolini , A. Tahraoui , J. Feldl , M. Ramsteiner , H. von Wenckstern , M. Grundmann , O. Bierwagen |
Titel |
SnO/beta-Ga2O3 vertical pn heterojunction diodes |
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Source | Appl. Phys. Lett. , 117 , 252106 ( 2020 ) | |
DOI : 10.1063/5.0031442 | Download: PDF | Cite : Bibtex RIS |
10 | Autor | M. Budde , P. Mazzolini , J. Feldl , C. Golz , T. Nagata , S. Ueda , G. Hoffmann , F. Hatami , W. T. Masselink , M. Ramsteiner , O. Bierwagen |
Titel |
Plasma-assisted molecular beam epitaxy of SnO(001) films: Metastability, hole transport properties, Seebeck coefficient, and effective hole mass |
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Source | Phys. Rev. Mater. , 4 , 124602 ( 2020 ) | |
DOI : 10.1103/physrevmaterials.4.124602 | arxiv: 2007.13448v2 | Cite : Bibtex RIS |