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首页> 外文期刊>Physica, C. Superconductivity and its applications >Quantum oscillation of the c-axis resistivity due to entrance of pancake vortices into micro-fabricated BiSr2CaCu2O8+delta intrinsic Josephson junctions
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Quantum oscillation of the c-axis resistivity due to entrance of pancake vortices into micro-fabricated BiSr2CaCu2O8+delta intrinsic Josephson junctions

机译：由于薄煎饼漩涡进入微细的BiSr2CaCu2O8 +δ本征约瑟夫森结而导致的c轴电阻率的量子振荡

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摘要

The c-axis resistance in Bi2Sr2CaCu2O8+delta,5 intrinsic Josephson junctions (IJJs) with areas of the ab-plane less than 2 mu m(2) were measured as functions of applied magnetic field and angle to the crystalline axes. When the magnetic field is tilted off from the lock-in state of Josephson vortices, several sharp dips are found. The separation between the dips approaches to the value corresponding to phi(0) with further tilting the external magnetic field. This behavior is attributed to the penetration of a quantized pancake vortex into the tiny IJJ. This argument is further supported by the result that the c-axis resistance under magnetic fields parallel to the c-axis shows identical stepwise behavior.
机译：测量Bi2Sr2CaCu2O8 +δ，5个内在的约瑟夫森结（IJJs）的c轴电阻，其a平面的面积小于2μm（2），作为施加的磁场和与晶轴角度的函数。当磁场从约瑟夫森涡旋的锁定状态倾斜离开时，会发现一些急剧下降。随着外部磁场的进一步倾斜，倾角之间的间隔接近于phi（0）的值。此行为归因于量化的煎饼涡旋渗透到微小的IJJ中。在平行于c轴的磁场下c轴的电阻显示出相同的阶跃行为，这一结果进一步支持了该论点。

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