Metamagnetic transition in single-crystal Bi4 Cu3 V2 O14

H. D. Zhou, E. S. Choi, Y. J. Jo, L. Balicas, J. Lu, L. L. Lumata, R. R. Urbano, P. L. Kuhns, A. P. Reyes, J. S. Brooks, R. Stillwell, S. W. Tozer, C. R. Wiebe, J. Whalen, T. Siegrist

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Abstract

We report on high magnetic field magnetization, magnetic torque, specific-heat, and 51V NMR measurements on Bi4 Cu 3 V2 O14 single crystals, which display a characteristic chain structure along the crystallographic a axis. The system undergoes a magnetic phase transition below 5.5 K. For the magnetic field H||a, the data reveal a metamagnetic transition from an antiferromagnetic (AFM) to a weak-ferromagnetic (WFM) state at Hc ≃7.6T. Based on our results, the low-temperature magnetic phase diagram is determined. Furthermore, the magnetization measurements along with the NMR results suggest that the weak ferromagnetism along the a axis is possibly due to a canted AFM spin structure with two distinct magnetic sublattices.

Original languageEnglish
Article number054435
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume82
Issue number5
DOIs
StatePublished - 31 Aug 2010

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