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Stresses in superconductor during oxygenation
Authors:Ladislav?Ceniga  author-information"  >  author-information__contact u-icon-before"  >  mailto:lceniga@imr.saske.sk"   title="  lceniga@imr.saske.sk"   itemprop="  email"   data-track="  click"   data-track-action="  Email author"   data-track-label="  "  >Email author
Affiliation:(1) Institute of Materials Research, Slovak Academy of Sciences, Watsonova 47, Košice, 043 53, Slovak Republic
Abstract:The paper deals with an analytical model of stresses acting in the superconductor YBCO during an oxygenation process to transform the tetragonal lattice of the non-superconductive phase $${hbox{YBa}_2hbox{Cu}_3hbox{O}_{7-{x_0}} (x_{0}=0.9)}$$ to the orthorhombic lattice of the superconductive phase $${hbox{YBa}_2hbox{Cu}_3hbox{O}_7}.$$ Accordingly, the oxygenation-induced stresses originate as a consequence of the difference in dimensions of the crystalline lattices. Additionally, critical temperature of the oxygenation process with regard to a crack formation in the superconductor YBCO is derived.
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