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

 

 

61 Author R. Engel-Herbert , Y. Takagaki , T. Hesjedal
Title

Growth of carbon nanotubes on GaAs

Source Mater. Lett. , 61 , 46311 ( 2007 )
1859 Cite : Bibtex RIS
R. Engel-Herbert, Y. Takagaki, and T. Hesjedal

62 Author Y. Takagaki , J. Herfort , K.-J. Friedland
Title

Extremely strong domain-wall pinning and spontaneous demagnetization in MnAs(0001) films on GaAs(111)B

Source Phys. Rev. B , 76 , 184409 ( 2007 )
Download: PDF | 1894 Cite : Bibtex RIS
Y. Takagaki, J. Herfort, and K.-J. Friedland

63 Author Y. Takagaki , C. Herrmann , E. Wiebicke , J. Herfort , L. Däweritz , K. H. Ploog
Title

Slow relaxation of magnetization in MnAs nanomagnets on GaAs(001)

Source Appl. Phys. Lett. , 88 , 032504 ( 2006 )
Download: PDF | 1602 Cite : Bibtex RIS
Y. Takagaki, C. Herrmann, E. Wiebicke, J. Herfort, L. Däweritz, and K. H. Ploog

64 Author Y. Takagaki , E. Wiebicke , L. Däweritz , K. H. Ploog
Title

Fabrication of MnAs microstructures on GaAs(001) substrates and their electrical properties

Source J. Solid State Chem. , 179 , 2271 ( 2006 )
1641 Cite : Bibtex RIS
Y. Takagaki, E. Wiebicke, L. Däweritz, and K. H. Ploog

65 Author Y. Takagaki , B. Jenichen , C. Herrmann , E. Wiebicke , L. Däweritz , K. H. Ploog
Title

First-order phase transition in MnAs disks on GaAs(001)

Source Phys. Rev. B , 73 , 125324 ( 2006 )
Download: PDF | 1676 Cite : Bibtex RIS
Y. Takagaki, B. Jenichen, C. Herrmann, E. Wiebicke, L. Däweritz, and K. H. Ploog

66 Author Y. Takagaki , K. H. Ploog
Title

Transport properties in anisotropic cross junctions by tight-binding calculations

Source Phys. Rev. B , 74 , 075325 ( 2006 )
Download: PDF | 1682 Cite : Bibtex RIS
Y. Takagaki, and K. H. Ploog

67 Author B. Jenichen , Y. Takagaki , K. H. Ploog , N. Darowski , R. Feyerherm , I. Zizak
Title

Nucleation at the phase transition near 40 C in MnAs nanodisks

Source Appl. Phys. Lett. , 89 , 051915 ( 2006 )
Download: PDF | 1688 Cite : Bibtex RIS
B. Jenichen, Y. Takagaki, K. H. Ploog, N. Darowski, R. Feyerherm, and I. Zizak

68 Author Y. Takagaki , J. Herfort , L. Däweritz , K. H. Ploog
Title

Flipping of magnetic moments induced by the first-order phase transition in MnAs disks on GaAs(001)

Source Phys. Rev. B , 74 , 224417 ( 2006 )
Download: PDF | 1697 Cite : Bibtex RIS
Y. Takagaki, J. Herfort, L. Däweritz, and K. H. Ploog

69 Author Y. Takagaki , E. Chilla , K. H. Ploog
Title

Confinement of surface acoustic waves in AlN/GaN/γ-LiAlO2 acoustic wells

Source J. Appl. Phys. , 97 , 034902 ( 2005 )
Download: PDF | 1349 Cite : Bibtex RIS
Y. Takagaki, E. Chilla, and K. H. Ploog

70 Author Y. Takagaki , K. H. Ploog
Title

Conductance of Aharonov-Bohm interferometers embedded with an interactive dot: slave-boson mean-field calculation

Source Phys. Status Solidi B , 242 , 3155 ( 2005 )
1556 Cite : Bibtex RIS
Y. Takagaki, and K. H. Ploog

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