Report - BaCo Zn Fe O 888 ccc NNN fffwulixb.iphy.ac.cn/fileWLXB/journal/article/wlxb/2012/20/...Ô n ˘ Acta Phys. Sin. Vol. 61, No. 20 (2012) 207102 BaCo x Zn 2 −x Fe 16 O 27 888 ccc NNN>>>fff(((

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