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Proceedings Paper

Pulsed laser deposition of Tl-Ca-Ba-Cu-O films
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Paper Abstract

Pulsed laser deposition is a technique commonly used to deposit high quality thin films of high temperature superconductors. This paper discusses the results obtained when this technique is applied to the deposition of Tl-Ca-Ba-Cu-O thin films using a frequency doubled Nd:YAG laser operating at 532 nm and an excimer laser operating at 248 nm. Films with onset temperatures of 125 K and zero resistance temperatures of 110 K deposited on (100) oriented MgO from a composite Tl2Ca2Ba2Cu3Ox target were obtained at both wavelengths upon appropriate post deposition annealing. Films deposited at 532 nm exhibit a rough surface, while those deposited at 248 nm are smooth and homogeneous. Upon annealing, films deposited at both wavelengths are single phase Tl2Ca2Ba2Cu3Ox.

Paper Details

Date Published: 1 October 1990
PDF: 14 pages
Proc. SPIE 1292, Superconductivity Applications for Infrared and Microwave Devices, (1 October 1990); doi: 10.1117/12.21026
Show Author Affiliations
Natale Joseph Ianno, Univ. of Nebraska/Lincoln (United States)
S. H. Liou, Univ. of Nebraska/Lincoln (United States)
John A. Woollam, Univ. of Nebraska/Lincoln (United States)
Daniel W. Thompson, Univ. of Nebraska/Lincoln (United States)
Blaine D. Johs, Univ. of Nebraska/Lincoln (United States)

Published in SPIE Proceedings Vol. 1292:
Superconductivity Applications for Infrared and Microwave Devices
Kul B. Bhasin; Vernon O. Heinen, Editor(s)

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