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摘要
The anisotropic transport properties of K0.8Fe1.65Se2 crystal have been investigated with the angle h (between the magnetic field H and c-axis) varied from 0 degrees to 180 degrees. It is found that the angle dependencies of the mixed state resistivities near T-c0 show a small anomalous peak on the resistive valley for H//ab, probably due to the kinked vortex structure with a lower pinning energy in the phase-separated crystal. In the normal state, the resistivities increase with increasing angles and take a maximum at H//ab, which may be related to the larger resistivity when carriers move along the c-axis driven by Lorentz force.
- 出版日期2014-4-14
- 单位中国科学技术大学
