PDI -> Staff ->

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

 

 

71 Author J. Mohanty , Y. Takagaki , T. Hesjedal , L. Däweritz , K. H. Ploog
Title

Selective etching of epitaxial MnAs films on GaAs(001): Influence of structure and strain

Source J. Appl. Phys. , 98 , 013907 ( 2005 )
Download: PDF | 1525 Cite : Bibtex RIS
J. Mohanty, Y. Takagaki, T. Hesjedal, L. Däweritz, and K. H. Ploog

72 Author J. Pedros , F. Calle , J. Grajal , R. J. Jimenez Rioboo , Y. Takagaki , K. H. Ploog , Z. Bougrioua
Title

Anisotropy-induced polarization mixture of surface acoustic waves in GaN/c-sapphire heterostructures

Source Phys. Rev. B , 72 , 075306 ( 2005 )
Download: PDF | 1581 Cite : Bibtex RIS
J. Pedros, F. Calle, J. Grajal, R. J. Jimenez Rioboo, Y. Takagaki, K. H. Ploog, and Z. Bougrioua

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

Relocation of surface acoustic waves in AlxGa1-xN/GaN bilayer films on SiC substrates

Source Semicond. Sci. Technol. , 20 , 856 ( 2005 )
1530 Cite : Bibtex RIS
Y. Takagaki, and K. H. Ploog

74 Author Y. Takagaki , J. Herfort , K. H. Ploog
Title

Temperature dependence of magnetization in arrays of submicrometer Fe disks

Source J. Appl. Phys. , 98 , 093901 ( 2005 )
Download: PDF | 1622 Cite : Bibtex RIS
Y. Takagaki, J. Herfort, and K. H. Ploog

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

Nonuniform reactive ion etching of MnAs/GaAs heterostructures: MnAs nanodots and GaAs nanocolumns

Source Jpn. J. Appl. Phys., Part 1 , 43 , 2791 ( 2004 )
301 Cite : Bibtex RIS
Y. Takagaki, E. Wiebicke, L. Däweritz, and K. H. Ploog

76 Author Y. Takagaki , Y. J. Sun , O. Brandt , K. H. Ploog
Title

Strain relaxation in AlN/GaN bilayer films grown on γ-LiAlO2(100) for nanoelectromechanical systems

Source Appl. Phys. Lett. , 84 , 4756 ( 2004 )
Download: PDF | 292 Cite : Bibtex RIS
Y. Takagaki, Y. J. Sun, O. Brandt, and K. H. Ploog

77 Author Y. Takagaki , E. Wiebicke , J. Mohanty , T. Hesjedal , L. Däweritz , K. H. Ploog
Title

Semiautomatic wet chemical etching of an array of MnAs nanodots and their magnetic properties

Source Physica E (Amsterdam) , 24 , 115 ( 2004 )
268 Cite : Bibtex RIS
Y. Takagaki, E. Wiebicke, J. Mohanty, T. Hesjedal, L. Däweritz, and K. H. Ploog

78 Author Y. Takagaki , T. Hesjedal , O. Brandt , K. H. Ploog
Title

Surface-acoustic-wave transducers for the extremely-high-frequency range using AlN/SiC(0001)

Source Semicond. Sci. Technol. , 19 , 256 ( 2004 )
253 Cite : Bibtex RIS
Y. Takagaki, T. Hesjedal, O. Brandt, and K. H. Ploog

79 Author Y. Takagaki , C. Hucho , E. Wiebicke , Y. J. Sun , O. Brandt , M. Ramsteiner , K. H. Ploog
Title

Highly anisotropic dispersion of surface acoustic waves in M-plane GaN layers grown on γ-LiAlO2(100) [Erratum: Phys. Rev. B 70, 129901(E) (2004)]

Source Phys. Rev. B , 69 , 115317 ( 2004 )
Download: PDF | 254 Cite : Bibtex RIS
Y. Takagaki, C. Hucho, E. Wiebicke, Y. J. Sun, O. Brandt, M. Ramsteiner, and K. H. Ploog

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

Distribution of α und β phases in the coexistence regime in MnAs(0001) layers grown on GaAs(111)B

Source Appl. Phys. Lett. , 85 , 1505 ( 2004 )
Download: PDF | 310 Cite : Bibtex RIS
Y. Takagaki, E. Wiebicke, L. Däweritz, and K. H. Ploog