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Sensitivity of surface resistance measurement of HTS thin ???lms by cavity resonator, dielectric resonator and microstrip line resonator

机译:空腔谐振器,介电谐振器和微带线谐振器对高温超导薄膜表面电阻的测量灵敏度

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Microwave surface resistance e?‘…s of silver-doped YBa2Cu3O7-e??? (YBCO) thin ???lm, deposited by laser ablation technique on 10 mm ?— 10 mm LaAlO3 substrate, has been measured by resonant techniques in the frequency range from 5 GHz to 20 GHz. The geometrical factor of the sample and the resonator has been determined theoretically by the knowledge of the electromagnetic ???eld distribution in the resonators. The microwave surface resistance of the superconducting sample is then extracted from the measured e?‘? value as a function of temperature. The sensitivity of the e?‘…s measurement, that is, the relative change in the e?‘? value with the change in the e?‘…s value is determined for each resonator.
机译:掺银的YBa2Cu3O7-e的微波表面电阻e?’s已经通过共振技术在5GHz至20GHz的频率范围内测量了通过激光烧蚀技术沉积在10mmλ-10mmLaAlO 3衬底上的(YBCO)薄膜。样品和谐振器的几何因数已在理论上根据谐振器中电磁场分布的知识确定。然后从测得的e?’?中提取超导样品的微波表面电阻。值随温度的变化。 e?…测量的灵敏度,即e?′的相对变化?为每个谐振器确定e?…s值的变化。

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