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Elastic behavior of single-phase polycrystalline Y1Ba2Cu4O8 superconductor

✍ Scribed by Wu Ting; K. Fossheim; T. Wada; H. Yamauchi; S. Tanaka

Publisher: Elsevier Science
Year: 1991
Tongue: English
Weight: 198 KB
Volume: 185-189
Category: Article
ISSN: 0921-4534
DOI: 10.1016/0921-4534(91)91920-y

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✦ Synopsis

t~2n~

m ea_,s~__ments a~. igrformed for the r~t time !n. the Y124 superconductor. Both longitudinal and transverse s axe cmptoyea anti me temperature regton coverect ts from 30K to 330K. A pronounced attenuation peak and accompanying changes in sound velocity are found at about 260IC For the temperature between 200K and 60IL a thermal hysteresis in velocity develops with no simultaneous anomalies observed in attenuation. A mechanism responsible for the anomalies at around 260K is proposed.

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