The 79th JSAP Autumn Meeting, 2018

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Oral presentation

11 Superconductivity » 11.1 Fundamental properties

[19p-143-1~13] 11.1 Fundamental properties

Wed. Sep 19, 2018 1:45 PM - 5:30 PM 143 (143)

Toshinori Ozaki(Kwansei Gakuin Univ.), Shigeru Horii(Kyoto Univ.), Masanori Nagao(Univ. Yamanashi)

2:00 PM - 2:15 PM

[19p-143-2] Effects of High-Pressure Pressing for Cuprate Superconductors and MgB2 before Heat-Treatment

〇Jun-ichi Shimoyama1, Masato Kondo1, Momoko Sawada1, Natsumi Takagi1, Takanori Motoki1 (1.Aoyama Gakuin Univ.)

Keywords:superconductor

Effects of pressure at pressing process before heat-treatment on superconducting properties of randomly oriented bulks of Y123 and MgB2 will be reported in this paper. We found that bulk density monotonically increased with an increase in pressure at pressing. In addition, critical current properties were dramatically improved by prressing under high pressures.