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In-plane Hall effect in c-axis-oriented MgB2 thin films

W. N. Kang·Hyeong-Jin Kim·Eun-Mi Choi·Heon Jung Kim·Kijoon H. P. Kim·H. S. Lee·Sung-Ik Lee
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Abstract

We have measured the longitudinal resistivity and the Hall resistivity in the ab-plane of highly c-axis-oriented MgB2 thin films. In the normal state, the Hall coefficient (R_H) behaves as R_H ~ T with increasing temperature (T) up to 130 K and then deviates from that linear T-dependence at higher temperatures. The T^2 dependence of the cotangent of the Hall angle is only observed above 130 K. The mixed-state Hall effect reveals no sign anomaly over a wide range of current densities from 10^2 to 10^4 A/cm^2 and for magnetic fields up to 5 T.

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W. N. Kang, Hyeong-Jin Kim, Eun-Mi Choi, Heon Jung Kim, Kijoon H. P. Kim, H. S. Lee, Sung-Ik Lee. 2002-01-16. In-plane Hall effect in c-axis-oriented MgB2 thin films. https://doi.org/10.1103/physrevb.65.134508

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