BEHAVIOR OF HIGH-TC Y1BA2CU3OY SUPERCONDUCTING BRIDGES IN A MICROWAVE FIELD

被引：5
|
作者：
LEE, KJ [1 ]
IGUCHI, I [1 ]
LEE, SM [1 ]
PARK, GS [1 ]
机构：
[1] SOGANG UNIV,DEPT PHYS,SEOUL,SOUTH KOREA
来源：
PHYSICA C | 1994年 / 221卷 / 3-4期
关键词：
D O I：
10.1016/0921-4534(94)90230-5
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The external microwave-field dependence of harmonic and subharmonic Shapiro steps and the microwave self-radiation due to the coherent motion of vortices in high-T(c) superconducting granular Y1Ba2Cu3Oy bridges are observed and compared with those of the Josephson Nb-Si-Nb edge-junctions in the centimeter-wave to millimeter-wave range. The harmonic and subharmonic steps of Y1Ba2Cu3Oy bridges are related to the synchronization between the applied microwave signal and the local super-current oscillations generated by the moving hypervortices in accordance with the Josephson condition V = (n/m) (h/2e)f The microwave-induced subharmonic steps (n = 1, 2 and m = 1, 2, 3) are discussed in connection with the coherent synchronizing motion of hypervortices in bridges.
引用
收藏
页码：254 / 260
页数：7
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