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Superconducting mercury-based cuprate films with a zero-resistance transition temperature of 124 Kelvin.

Publication ,  Journal Article
Tsuei, CC; Gupta, A; Trafas, G; Mitzi, D
Published in: Science (New York, N.Y.)
March 1994

The synthesis of high-quality films of the recently discovered mercury-based cuprate films with high transition temperatures has been plagued by problems such as the air sensitivity of the cuprate precursor and the volatility of Hg and HgO. These processing difficulties have been circumvented by a technique of atomic-scale mixing of the HgO and cuprate precursors, use of a protective cap layer, and annealing in an appropriate Hg and O(2) environment. With this procedure, a zero-resistance transition temperature as high as 124 kelvin in c axis-oriented epitaxial HgBa(2)CaCu(2)O(6+delta) films has been achieved.

Duke Scholars

Published In

Science (New York, N.Y.)

DOI

EISSN

1095-9203

ISSN

0036-8075

Publication Date

March 1994

Volume

263

Issue

5151

Start / End Page

1259 / 1261

Related Subject Headings

  • General Science & Technology
 

Citation

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MLA
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Tsuei, C. C., Gupta, A., Trafas, G., & Mitzi, D. (1994). Superconducting mercury-based cuprate films with a zero-resistance transition temperature of 124 Kelvin. Science (New York, N.Y.), 263(5151), 1259–1261. https://doi.org/10.1126/science.263.5151.1259
Journal cover image

Published In

Science (New York, N.Y.)

DOI

EISSN

1095-9203

ISSN

0036-8075

Publication Date

March 1994

Volume

263

Issue

5151

Start / End Page

1259 / 1261

Related Subject Headings

  • General Science & Technology