Microwave surface resistance measurements of air-atomised spray deposited Tl-Ba-Ca-Cu-O thick films

Microwave surface resistance measurements of air-atomised spray deposited Tl-Ba-Ca-Cu-O thick films

The surface resistance (Rs) of spray pyrolysed Tl2Ba2Ca2Cu3Ox thick films on 1 inch diameter finely polished yttria-stabilized zirconia disks has been measured using a TE011 mode end-wall-replacement cavity at 20 GHz and 77 K. Rs values of 5.3 mΩ and 1.3 mΩ at 20 GHz and 10 GHz (scaled assuming an f...

詳細記述

書誌詳細
主要な著者: Jenkins, A, Su, L, Kale, K, Goringe, M, Burgoyne, J, Dew-Hughes, D, Grovenor, C
フォーマット: Journal article
言語:English
出版事項: IEEE 1995
その他の書誌記述
要約:The surface resistance (Rs) of spray pyrolysed Tl2Ba2Ca2Cu3Ox thick films on 1 inch diameter finely polished yttria-stabilized zirconia disks has been measured using a TE011 mode end-wall-replacement cavity at 20 GHz and 77 K. Rs values of 5.3 mΩ and 1.3 mΩ at 20 GHz and 10 GHz (scaled assuming an f2 dependence) respectively were obtained. These results are the best recorded Rs values to date for thick films of any superconductor at the same frequencies and at 77 K. Transport critical current density (Jc) measurements on the films exhibited values of > 3×104 A/cm2 at 77 K.

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