Tomomi Yamamoto
TDK
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Publication
Featured researches published by Tomomi Yamamoto.
Applied Physics Letters | 1995
Tetsuhito Yoneyama; Tomomi Yamamoto; Tetsuya Hidaka
The magnetic properties and microstructures of rapidly quenched Sm–Fe–N powders with low Sm contents and Zr and Co addition have been studied. High remanence values of 9.4 kG with high HcJ values of 7–10 kOe were obtained for isotropic powders. The x‐ray diffraction analysis and transmission electron microscopy (TEM) observation showed these alloy powders to consist of a nanoscale mixture with a SmFe7Nx phase with the TbCu7‐type structure and α‐Fe in the size range of 20–30 nm. It is presumed that the high remanence is due to the small crystal size and exchange coupling at interphase boundaries.
Archive | 1995
Tetsuhito Yoneyama; Tomomi Yamamoto; Tetsuya Hidaka; Akira Fukuno
Materials Transactions Jim | 1996
Tomomi Yamamoto; Tetsuya Hidaka; Tetsuhito Yoneyama; H. Nishio; Akira Fukuno
Journal of The Japan Society of Powder and Powder Metallurgy | 1999
Akira Fukuno; Tomomi Yamamoto; Tetsuya Hidaka
Archive | 1997
Akira Fukuno; Tomomi Yamamoto; Tetsuhito Yoneyama; Tetsuya Hidaka
Archive | 2004
Takeshi Sakamoto; Yasuyuki Nakayama; Tatsuhiro Iwai; Tomomi Yamamoto
Archive | 2004
Takeshi Sakamoto; Tomomi Yamamoto; Tatsuhiro Iwai; Yasuyuki Nakayama
Archive | 2004
Tetsuya Hidaka; Hironari Okada; Kazuya Sakamoto; Takeshi Sakamoto; Yasuyuki Nakayama; Tomomi Yamamoto
Archive | 1999
Akira Fukuno; Tomomi Yamamoto; Testuhito Yoneyama
Archive | 2009
Takeshi Sakamoto; Yasuyuki Nakayama; Tatsuhiro Iwai; Tomomi Yamamoto
