Journal of Applied Physics (2013) - Comments
doi: 10.1063/1.4820455  issn: 0021-8979  issn: 1089-7550 

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Shigehito Isobe, Sumito Yamada, Yongming Wang, Naoyuki Hashimoto, Somei Ohnuki, Hiroki Miyaoka, Takayuki Ichikawa, Yoshitsugu Kojima