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THE SYNTHESIS OF EVAPORATED THALLIUM-BASED SUPERCONDUCTING THIN-FILMS USING AN IMPROVED THALLIATION PROCESS

Abstract:

Superconducting Tl-Ca-Ba-Cu-O (TCBCO) thin films, about 1μm thick, have been prepared on (100) MgO substrates using a thermal evaporation and improved two-step annealing process involving final thalliation under controlled Tl2O vapour pressure in a quartz reaction tube. The Tl2O vapour pressure was changed by adjusting the position of a Tl2O3-containing boat, thus altering the boat temperature from 740-780°C when the furnace temperatures were between 830 and 850°C. The superconducting propert...

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Publication status:
Published

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Publisher copy:
10.1007/BF00352135

Authors


GROVENOR, C More by this author
Publisher:
Kluwer Academic Publishers
Journal:
JOURNAL OF MATERIALS SCIENCE
Volume:
30
Issue:
1
Pages:
85-93
Publication date:
1995
DOI:
EISSN:
1573-4803
ISSN:
0022-2461
URN:
uuid:d86fead5-4493-4eb5-ae86-0fd8b804407a
Source identifiers:
1273
Local pid:
pubs:1273
Language:
English

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