Occupation sites and valence states of Co dopants in (La, Co)-codoped M-type Sr ferrite: ^57Fe and ^59Co nuclear magnetic resonance studies - H. Sakai, T. Hattori, Y. Tokunaga, S. Kambe, H. Ueda, Y. Tanioku, C. Michioka, K. Yoshimura, K. Takao, A. Shimoda, T. Waki, Y. Tabata; H. Nakamura (American Physical Society (APS), 2018)
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