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Voltage-current properties of superconducting amorphous tungsten nanostrips
Yi Sun1, Jian Wang, Weiwei Zhao
1International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, People's Republic of China.
Abstract:
The voltage-current (V-I) characteristics of tungsten (W) strips patterned by focused-ion-beam assisted deposition were studied at different temperatures and various magnetic fields applied perpendicular to the strips. At fields of 1 Tesla (T) and 2 T, a scaling behavior was observed in V-I isotherms, which can be fitted by quasi-three-dimensional (quasi-3D) vortex-glass (VG) to liquid transition theory.
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