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您的检索式：作者名="LingYao Qin"
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| 1 | Thermally activated flux flow,vortex-glass phase transition and the mixed-state Hall effect in 112-type iron pnictide superconductors显示文摘The transport properties in the mixed state of high-quality Ca_(0.8)La_(0.2)Fe_(0.98)Co_(0.02)As_2single crystal,a newly discovered 112-type iron pnictide superconductor,are comprehensively studied by magneto-resistivity measurement.The field-dependent activation energy,U_0,is derived in the framework of thermally activated flux flow(TAFF)theory,yielding a power law dependence U_0~H~αwith a crossover at a magnetic field around 2 T in both H⊥ab and H//ab,which is ascribed to the different pinning mechanisms.Moreover,we have clearly observed the vortex phase transition from vortex-glass to vortex-liquid according to the vortex-glass model,and vortex phase diagrams are constructed for both H⊥ab and H//ab.Finally,the results of mixed-state Hall effect show that no sign reversal of transverse resistivityρ_(xy)(H)is detected,indicating that the Hall component arising from the vortex flow is in theories or experiments previously reported on some high-T_ccuprates. | XiangZhuo Xing ZhanFeng Li XiaoLei Yi JiaJia Feng ChunQiang Xu Nan Zhou Yan Meng YuFeng Zhang YongQiang Pan LingYao Qin Wei Zhou HaiJun Zhao ZhiXiang Shi | 2018 | Science China(Physics,Mechanics & Astronomy)2018，61，12： | 0 |
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