superconducting transition

A transition at the critical temperature, $T c$ , below which the resistance of electrical conductors becomes zero and magnetic flux is excluded. Examples: The transitions of Nb₃Sn, Nb₃Al and V₃Si to superconductors ( $15 K < T c < 20 K$ ) and YBa₂Cu₃O_7-x ( $x ≈ 0.2$ ) at $90 K$ .

Source:

PAC, 1994, 66, 577 (Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)) on page 592

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Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.

Last update: 2014-02-24; version: 2.3.3.

DOI of this term: https://doi.org/10.1351/goldbook.S06137.

Original PDF version: http://www.iupac.org/goldbook/S06137.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.

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superacid		supercritical drying of a gel