Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Takefumi Iida"'
Publikováno v:
2023 International Conference on Electronics Packaging (ICEP).
Autor:
Yoshiaki Kobayashi, Masayuki Itoh, Kazunori Suzuki, Takefumi Iida, Takayuki Kawamata, Masatoshi Sato
Publikováno v:
Journal of the Physical Society of Japan. 83:014712
75As NQR and NMR measurements of Ca10Pt4As8(Fe1−xPtxAs)10 with the superconducting transition temperature Tc = 33.4 K have been carried out. The observed 75As NQR spectra can be divided into those from As sites in (Fe1−xPtx)As and PtAs2 layers. F
Autor:
Yoshiaki Kobayashi, Taketo Moyoshi, Ryoichi Kajimoto, M. Arai, Kazunori Suzuki, Mitsutaka Nakamura, Takefumi Iida, Yasuhiro Inamura, Yukio Yasui, Takayuki Kawamata, Kiyoichiro Motoya, Masatoshi Sato, Masayuki Itoh
Publikováno v:
Journal of Physics: Conference Series. 400:022105
Magnetic excitation spectra χ” (Q, ΔE) have been measured for several Fe-pnictides including Ca-Fe-Pt-As system (Tc ~30 K), one of new superconducting systems with FeAs planes. For the Ca-Fe-Pt-As system, data were taken with the neutron spectrom
Autor:
M Sato, Erika Satomi, Yoshiaki Kobayashi, Kazunori Suzuki, Masayuki Itoh, Takayuki Kawamata, Takefumi Iida
Publikováno v:
Journal of Physics: Conference Series. 400:022056
We first show results of (NMR-1/T1)-T curves of LaFeAsO1−xFx samples with various x values. It does not have the coherence peak and absolute values of dlog(1/T1)/d log(T/Tc) shows the dome shaped x dependence with a maximum at the optimum x value.
Autor:
Takefumi Iida, Mitsuru Aoyama, Tomuo Yamaguchi, Xiu Ying Gong, Yu Zhu Gao, Takamitsu Makino, Hirofumi Kan
Publikováno v:
Japanese Journal of Applied Physics. 41:3669-3670
Light-emitting diodes (LEDs) with a peak wavelength of 5.38 µm were fabricated for the first time from n+-Ga0.1In0.9Sb/n-InSb/p+-Ga0.1In0.9Sb heterostructures grown by liquid-phase epitaxy (LPE) between 360 and 350°C. The device performance was stu
Autor:
Ryoichi Kajimoto, Yukio Yasui, Masatoshi Arai, Yoshiaki Kobayashi, Taketo Moyoshi, Kiyoichiro Motoya, Kazunori Suzuki, Masatoshi Sato, Takayuki Kawamata, Mitsutaka Nakamura, Takefumi Iida, Masayuki Itoh, Yasuhiro Inamura
Publikováno v:
Journal of the Physical Society of Japan. 80:093709
By using the spectrometer 4SEASONS installed at the pulse neutron facility of J-PARC, magnetic excitation spectra have been measured for a large single crystal of the Ca–Fe–Pt–As system, which belongs to one of the series of superconducting sys
Autor:
Masatoshi Sato, Masayuki Itoh, Erika Satomi, Takefumi Iida, Kazunori Suzuki, Takayuki Kawamata, Yoshiaki Kobayashi
Publikováno v:
Journal of the Physical Society of Japan. 80:073710
Single crystals of the recently found superconducting system Ca–Fe–Pt–As have been prepared and used in X-ray Rietveld analyses, where we have identified two types of structure; SrZnBi 2 type (type A; I 4/ m m m ) and HfCuSi 2 type (type B; P 4
Autor:
Yoshiaki Kobayashi, Takefumi Iida, Kazunori Suzuki, Takayuki Kawamata, Masayuki Itoh, Masatoshi Sato
Publikováno v:
Journal of the Physical Society of Japan; 2014, Vol. 83 Issue 1, p014712-1-014712-6, 6p
Autor:
Hirofumi Kan, Takamitsu Makino, Yu Zhu Gao, Mitsuru Aoyama, Nelson Rowell, Tomuo Yamaguchi, Kenzo Watanabe, Takefumi Iida, Xiu Ying Gong
Publikováno v:
Japanese Journal of Applied Physics. 39:5039
Light-emitting diodes (LEDs) in the 3 to 5 µm wavelength range have been fabricated from InAs/InAsSb/InAsPSb heterostructures grown by liquid-phase epitaxy (LPE) between 520 and 500°C. Temperature dependence of the performance for the LEDs was stud
Autor:
Hirofumi Kan, Yu-zhu Gao, Tomuo Yamaguchi, Takamitsu Makino, Masashi Kumagawa, Mitsuru Aoyama, Takefumi Iida, Xiu Ying Gong
Publikováno v:
Japanese Journal of Applied Physics. 38:685