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Phase transition and anomalous scaling in the quantum Hall transport of topological insulator Sn-Bi1.1Sb0.9Te2S devices
Faji Xie, Shuai Zhang, Qianqian Liu +12
The scaling physics of quantum Hall transport in optimized topological insulators with a plateau precision of ~1/1000 e2/h is considered. Two exponential scaling regimes are observ…
Giant anomalous Nernst effect in the magnetic Weyl semimetal Co3Sn2S2
Haiyang Yang, Wei You, Jialu Wang +7
In ferromagnetic solids, even in absence of magnetic field, a transverse voltage can be generated by a longitudinal temperature gradient. This thermoelectric counterpart of the Ano…
Log-periodic quantum magneto-oscillations and discrete scale invariance in topological material HfTe5
Huichao Wang, Yanzhao Liu, Yongjie Liu +13
Discrete scale invariance (DSI) is a phenomenon featuring intriguing log-periodicity which can be rarely observed in quantum systems. Here we report the log-periodic quantum oscill…
Record-High Superconductivity in Niobium-Titanium Alloy
Jing Guo, Gongchang Lin, Shu Cai +11
Here we report the observation of extraordinary superconductivity in a pressurized commercial niobium-titanium alloy. We find that its zero-resistance superconductivity persists fr…
Extreme magnetoresistance and Shubnikov-de Haas oscillations in ferromagnetic DySb
D. D. Liang, Y. J. Wang, C. Y. Xi +5
The electronic structures of a representative rare earth monopnictide (i.e., DySb) under high magnetic field (i.e., in the ferromagnetic state) are studied from both experimental a…
Interface induced Zeeman-protected superconductivity in ultrathin crystalline lead films
Yi Liu, Ziqiao Wang, Xuefeng Zhang +12
Two dimensional (2D) superconducting systems are of great importance to exploring exotic quantum physics. Recent development of fabrication techniques stimulates the studies of hig…