Zhi-Yong SONG, Li-Yan SHANG, Jun-Hao CHU, Ping-Ping CHEN, [in Chinese], Ting-Ting KANG. Flux pinning properties of InN[J]. Journal of Infrared and Millimeter Waves, 2021, 40(3): 321
- Journal of Infrared and Millimeter Waves
- Vol. 40, Issue 3, 321 (2021)
Fig. 1. X-ray diffraction pattern of the InN film.
Fig. 2. （a） R-T transitions，（b） R-B2 transitions as a function of temperature，（c） The upper critical field Bc2 as a function of temperature. In（a–c）， the resistance is measured with a current of 1 μA
Fig. 3. （a） I-V curves at various temperatures from 120 mK to 3 K for self-field，（b ） VG scaling of the I-V curves in（a）.（c） The temperature dependence of I-V exponent in（a）
Fig. 4. Vortex phase diagram of InN superconductor.
Fig. 5. （a） log（R） vs 1/T in various fields and the fitting results of TAFF model.（b） Field dependence of U0 （B）. the solid lines are power-law fits using U0（B）~ B-α.
Fig. 6. （a） The dots are experimental data of temperature dependence of Ic at zero field. The blue, green, and red lines are fitting results using δTc, δL, and the combined δL+δTcmodel, respectively,（b） Temperature dependence of Ic in various fields and the fitting results of δL+δTc model.
Fig. 7. （a） Magnetic field dependence of critical current Ic and the fitting results of exponential-law,（b） Reduced field dependence of normalized flux pinning force fp（h） at various temperatures. Solid line is the fitting curve using Eq.（6）
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