Takahiko Kawaguchi
Nagoya University
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Featured researches published by Takahiko Kawaguchi.
Applied Physics Express | 2010
Yoshinori Imai; Takanori Akiike; Masafumi Hanawa; Ichiro Tsukada; Ataru Ichinose; Atsutaka Maeda; Tatsuo Hikage; Takahiko Kawaguchi; Hiroshi Ikuta
We have investigated the crystal structures and superconducting properties of thin films of FeSe0.5Te0.5 grown on eight different substrates. Superconductivity is not correlated with the lattice mismatch; rather it is correlated with the degree of in-plane orientation and with the lattice parameter ratio c/a. The best superconducting properties were observed in films on MgO and LaAlO3 (Tczero of 9.4 K). Transmission electron microscopy observation showed that the presence or absence of an amorphous-like layer at the substrate surface plays a key role in determining the structural and superconducting properties of the grown films.
Applied Physics Express | 2011
Ichiro Tsukada; Masafumi Hanawa; Takanori Akiike; Fuyuki Nabeshima; Yoshinori Imai; Ataru Ichinose; Seiki Komiya; Tatsuo Hikage; Takahiko Kawaguchi; Hiroshi Ikuta; Atsutaka Maeda
In-situ epitaxial growth of FeSe
Applied Physics Letters | 2010
Takahiko Kawaguchi; Hiroki Uemura; Toshiya Ohno; Masao Tabuchi; Toru Ujihara; Koshi Takenaka; Yoshikazu Takeda; Hiroshi Ikuta
_{0.5}
Applied Physics Express | 2009
Takahiko Kawaguchi; Hiroki Uemura; Toshiya Ohno; Ryotaro Watanabe; Masao Tabuchi; Toru Ujihara; Koshi Takenaka; Yoshikazu Takeda; Hiroshi Ikuta
Te
Superconductor Science and Technology | 2014
Takahiko Kawaguchi; A. Sakagami; Y Mori; Masao Tabuchi; Toru Ujihara; Yoshikazu Takeda; Hiroshi Ikuta
_{0.5}
Japanese Journal of Applied Physics | 2011
Masafumi Hanawa; Ataru Ichinose; Seiki Komiya; Ichiro Tsukada; Takanori Akiike; Yoshinori Imai; Tatsuo Hikage; Takahiko Kawaguchi; Hiroshi Ikuta; Atsutaka Maeda
thin films is demonstrated on a non-oxide substrate CaF
Applied Physics Express | 2011
Takahiko Kawaguchi; Hiroki Uemura; Toshiya Ohno; Masao Tabuchi; Toru Ujihara; Yoshikazu Takeda; Hiroshi Ikuta
_2
Applied Physics Letters | 2015
F. Kurth; C. Tarantini; V. Grinenko; Jens Hänisch; J. Jaroszynski; E. Reich; Y. Mori; A. Sakagami; Takahiko Kawaguchi; J. Engelmann; L. Schultz; B. Holzapfel; Hiroshi Ikuta; Ruben Hühne; Kazumasa Iida
. Structural analysis reveals that compressive stress is moderately added to 36-nm thick FeSe
Journal of the Physical Society of Japan | 2012
Shunji Sugai; Yuki Mizuno; Ryoutarou Watanabe; Takahiko Kawaguchi; Koshi Takenaka; Hiroshi Ikuta; Yasumasa Takayanagi; Naoki Hayamizu; Yasuhiro Sone
_{0.5}
Journal of Physics: Conference Series | 2014
Stefan Schmidt; Sebastian Döring; F. Schmidl; F. Kurth; Kazumasa Iida; B. Holzapfel; Takahiko Kawaguchi; Y. Mori; Hiroshi Ikuta; P. Seidel
Te