Superconducting Thallium Oxide and Mercury Oxide Film

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Previously we reported on a two-layer electrodeposition process of thallium oxide superconductors that showed transport critical current density above 106 A/cm2 at 77 K in zero field. In this article, we report our effort to convert an electrodeposited thick film of (Tl,Bi,Pb)2(Sr,Ba)2Ca1Cu2Ox to (Hg,Bi,Pb)2(Sr,Ba)2Ca1Cu2Ox by the cation-exchange process. We are also reporting magneto-optical imaging data on Tl oxide superconductor films, which are compared with YBCO. Magneto-optical imaging provides insight into the nature of current flow in the Tl oxide superconductor, and thus, will help us to improve the critical current density in bulk high-temperature superconductor wire or tape.

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Bhattacharya, R.N.; Blaugher, R.D. (National Renewable Energy Laboratory); Yan, S.L.; Xing, Z.W.; Xie, Y.Y.; Wu, J.Z. (University of Kansas) et al. January 31, 2001.

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Previously we reported on a two-layer electrodeposition process of thallium oxide superconductors that showed transport critical current density above 106 A/cm2 at 77 K in zero field. In this article, we report our effort to convert an electrodeposited thick film of (Tl,Bi,Pb)2(Sr,Ba)2Ca1Cu2Ox to (Hg,Bi,Pb)2(Sr,Ba)2Ca1Cu2Ox by the cation-exchange process. We are also reporting magneto-optical imaging data on Tl oxide superconductor films, which are compared with YBCO. Magneto-optical imaging provides insight into the nature of current flow in the Tl oxide superconductor, and thus, will help us to improve the critical current density in bulk high-temperature superconductor wire or tape.

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  • 2000 Materials Research Society (MRS) Fall Meeting, Boston, MA (US), 11/26/2000

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  • Report No.: NREL/CP-590-29458
  • Grant Number: AC36-99GO10337
  • Office of Scientific & Technical Information Report Number: 776000
  • Archival Resource Key: ark:/67531/metadc715217

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Office of Scientific & Technical Information Technical Reports

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  • January 31, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • March 31, 2016, 5:38 p.m.

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Bhattacharya, R.N.; Blaugher, R.D. (National Renewable Energy Laboratory); Yan, S.L.; Xing, Z.W.; Xie, Y.Y.; Wu, J.Z. (University of Kansas) et al. Superconducting Thallium Oxide and Mercury Oxide Film, article, January 31, 2001; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc715217/: accessed October 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.