Magnetic properties of Co2V2O7 single crystals grown by flux method |
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| Authors: | Zhangzhen He Jun-Ichi Yamaura Yutaka Ueda Wendan Cheng |
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| Affiliation: | aState Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, People's Republic of China;bInstitute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan |
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| Abstract: | Based on the phase diagram of CoO–V2O5 system, single crystals of Co2V2O7 are grown using V2O5 as self-flux at a slow cooling rate. The quality of grown crystals is analyzed by X-ray powder diffraction and electron probe microanalysis techniques. Magnetic properties are investigated by means of susceptibility, magnetization, and heat capacity measurements. Our experimental results suggest that Co2V2O7 is a three-dimensional antiferromagnet, in which two magnetic transitions may occur at low temperature and a spin-flop-like transition may occur at the applied field along the b-axis. By contrast to Ni2V2O7, it is suggested that similar and different magnetic properties may arise from their similar crystal structures and different magnetic ions, respectively. |
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| Keywords: | Vanadium oxides Crystal growth Magnetic property |
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