Preparation and properties of the Sc-Ni-B-C samples

The superconducting phase of nickel borocarbide of scandium with transition temperature (T sub(c)) identical with 14 to 15 K was obtained. The influence of annealing T on the superconducting transition, crystal lattice parameters and resistivity for the superconducting ScNi sub(2)B sub(2)C compound...

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Bibliographic Details
Published in:Journal of low temperature physics 1999-12, Vol.117 (5), p.1629-1633
Main Authors: Tomilo, Zh, Molchan, P, Ustinovich, S, Finskaya, V, Prytkova, N
Format: Article
Language:English
Subjects:
ANNEALING
High temperature effects
Lattice constants
MATERIALS SCIENCE
NICKEL BORIDES
NICKEL CARBIDES
SCANDIUM BORIDES
SCANDIUM CARBIDES
Scandium compounds
Superconducting transition temperature
SUPERCONDUCTIVITY
SYNTHESIS
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Summary:The superconducting phase of nickel borocarbide of scandium with transition temperature (T sub(c)) identical with 14 to 15 K was obtained. The influence of annealing T on the superconducting transition, crystal lattice parameters and resistivity for the superconducting ScNi sub(2)B sub(2)C compound was investigated. While increasing the annealing temperature from 700 degree C to 900 degree C, the superconducting phase decayed by degrees. For the sample annealing at 1000 degree C for 24 hours, no superconductivity was observed.
ISSN:0022-2291
1573-7357
DOI:10.1023/a:1022567817036