期刊
PHYSICAL REVIEW B
卷 66, 期 5, 页码 -出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevB.66.054429
关键词
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Ba3Mn2O8 is an S=1 coupled spin dimer system with a gapped ground state. The magnetization process of this compound has been measured up to 50 T at 0.65 K. Magnetization plateaus were clearly observed at zero and at half of the saturation magnetization. The excitation gap was estimated as Delta/k(B)=12.3 K. The magnetization curve was analyzed and the spin structure in the field-induced ordered state was discussed within the framework of the mean-field approximation.
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