本文研究了c轴取向的Hg0.9Tl0.1Ba2Ca2Cu3O8+δ超导膜(Tc>124K)在混合态下的电阻展宽及霍尔效应.低电阻区域的展宽显示出热激活磁通蠕动行为. 在膜的超导转变温度以下, 我们观察到霍尔电阻率符号反常现象.霍尔电阻率(ρxy)和纵向电阻率(ρxx})具有ρxy}(T)=kρβxx(T)的标度关系.
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