Magnetic phase diagram of the antiferromagnetic cobalt tellurate Co 3TeO 6

J. L. Her, C. C. Chou, Y. H. Matsuda, K. Kindo, H. Berger, K. F. Tseng, C. W. Wang, W. H. Li, H. D. Yang

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Abstract

In this study, we measured the temperature-dependent magnetic susceptibility [χ(T)], ac magnetic susceptibility [χ ac(T)], specific heat [C p(T)], and high-field magnetization [M(H)] of a newly synthesized single-crystalline material, Co 3TeO 6. Two transitions were observed in χ(T) and C p(T) curves at values of T N1 and T N2 of approximately 26 and 18 K (H=0), respectively. The high-field M(H) curves exhibited strong magnetic anisotropy and several field-induced transitions, suggesting that the magnetic ground state was complicated. Large spin-lattice coupling was evident by the large hysteresis in the M(H) curves and through analysis of the specific heat data. We propose herein an H-T phase diagram that is consistent with our experimental findings.

Original languageEnglish
Article number235123
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume84
Issue number23
DOIs
StatePublished - 16 Dec 2011

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