POWER-INDUCED SWITCHING OF AN HTS MICROSTRIP PATCH ANTENNA

被引：13

作者：

PORTIS, AM ^{[1
]}

CHALOUPKA, H ^{[1
]}

JECK, M ^{[1
]}

PIEL, H ^{[1
]}

PISCHKE, A ^{[1
]}

机构：

[1] BERG UNIV WUPPERTAL,W-5600 WUPPERTAL 1,GERMANY

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 1991年 / 4卷 / 09期

关键词：

D O I：

10.1088/0953-2048/4/9/015

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Power-induced switching has been observed by Chaloupka et al in a miniaturized patch antenna, patterned from an epitaxial film of YBa2Cu3O7-delta deposited onto LaAlO3. The antenna is resonant at around 2.3 GHz with a loaded Q of 800 at 77 K and a radiation efficiency of up to 65%. At mean current densities above 2 x 10(6) A/cm2 the resonant frequency and Q drop hysteretically, decreasing further with increased current. These effects are attributed to the thermal quenching of weak links present in the inductive section of the antenna.

引用

页码：436 / 438

页数：3

共 10 条

[1]

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[2]

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[8] MICROWAVE-HEATING OF A HIGH-TC YBA2CU3O6.9 SUPERCONDUCTOR THROUGH A JOSEPHSON-JUNCTION SYSTEM [J].

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[9]

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[10]

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