Intersubband Emitters: GaAs-based Quantum-Cascade Lasers

Dr. Yukihiko Takagaki

Senior Scientist

Yukihiko Takagaki

phone: +49 30 20377 523

room: 0536

email: takagaki@pdi-berlin.de

 

Department: Semiconductor Spectroscopy

Core research areas: Ferromagnet/ semiconductor hybrid structures

 

 

51 Author Y. Takagaki , C. Herrmann , B. Jenichen , O. Brandt
Title

Epitaxial orientation of MnAs layers grown on GaAs surfaces by means of solid-state crystallization

Source Phys. Rev. B , 78 , 064115 ( 2008 )
1931 Cite : Bibtex RIS
Y. Takagaki, C. Herrmann, B. Jenichen, and O. Brandt

52 Author Y. Takagaki , C. Herrmann , B. Jenichen , J. Herfort , O. Brandt
Title

Growth of M-plane MnAs on GaAs(111)B by molecular beam epitaxy

Source Appl. Phys. Lett. , 92 , 101918 ( 2008 )
Download: PDF | 1918 Cite : Bibtex RIS
Y. Takagaki, C. Herrmann, B. Jenichen, J. Herfort, and O. Brandt

53 Author Y. Takagaki , C. Herrmann , B. Jenichen , J. Herfort , O. Brandt
Title

Erratum: of M-plane MnAs on GaAs(111)B by molecular beam epitaxy [Appl. Phys. Lett. 92, 101918 (2008)]

Source Appl. Phys. Lett. , 92 , 179901 ( 2008 )
1956 Cite : Bibtex RIS
Y. Takagaki, C. Herrmann, B. Jenichen, J. Herfort, and O. Brandt

54 Author Y. Takagaki , C. Herrmann , J. Herfort , C. Hucho , K.-J. Friedland
Title

Stress-modified structural and electronic properties of epitaxial MnAs layers on GaAs

Source Phys. Rev. B , 78 , 235207 ( 2008 )
1984 Cite : Bibtex RIS
Y. Takagaki, C. Herrmann, J. Herfort, C. Hucho, and K.-J. Friedland

55 Author Y. Takagaki , L. Daweritz , K. H. Ploog
Title

Abrupt changes in the temperature coefficient of resistivity induced by the phase transitions in MnAs films on GaAs

Source Phys. Rev. B , 75 , 035213 ( 2007 )
Download: PDF | 1711 Cite : Bibtex RIS
Y. Takagaki, L. Daweritz, and K. H. Ploog

56 Author B. Jenichen , V. M. Kaganer , Y. Takagaki , C. Herrmann , K. H. Ploog , E. Dudzik , R. Feyerherm
Title

First order phase transition in MnAs nanodisks

Source Phys. Status Solidi A , 204 , 2772 ( 2007 )
1725 Cite : Bibtex RIS
B. Jenichen, V. M. Kaganer, Y. Takagaki, C. Herrmann, K. H. Ploog, E. Dudzik, and R. Feyerherm

57 Author Y. Takagaki , C. Herrmann , E. Wiebicke , J. Herfort , B. Jenichen
Title

Distribution of type-B minority domains in a type-A MnAs thin layer on GaAs(001)

Source J. Appl. Phys. , 101 , 123914 ( 2007 )
Download: PDF | 1783 Cite : Bibtex RIS
Y. Takagaki, C. Herrmann, E. Wiebicke, J. Herfort, and B. Jenichen

58 Author Y. Takagaki , E. Chilla
Title

Relocation effect and polarization mixing of surface acoustic waves in AlN-GaN bilayers on Al2O3(0001) substrates

Source J. Appl. Phys. , 101 , 113534 ( 2007 )
Download: PDF | 1793 Cite : Bibtex RIS
Y. Takagaki, and E. Chilla

59 Author J. Pedros , Y. Takagaki , T. Ive , M. Ramsteiner , O. Brandt , U. Jahn , K. H. Ploog , F. Calle
Title

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

Source Phys. Rev. B , 75 , 115305 ( 2007 )
Download: PDF | 1798 Cite : Bibtex RIS
J. Pedros, Y. Takagaki, T. Ive, M. Ramsteiner, O. Brandt, U. Jahn, K. H. Ploog, and F. Calle

60 Author Y. Takagaki , K.-J. Friedland
Title

Magnetotransport properties in (1|100)- and (0001)-oriented MnAs films on GaAs substrates

Source J. Appl. Phys. , 101 , 113916 ( 2007 )
Download: PDF | 1809 Cite : Bibtex RIS
Y. Takagaki, and K.-J. Friedland

Contact

Prof. Dr. Holger T. Grahn

Head of Department 

+49 30 20377-318

htgrahn@pdi-berlin.de

Dr. Lutz Schrottke

Senior Scientist

+49 30 20377-339

lutz@pdi-berlin.de