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2013 | 124 | 4 | 745-749
Article title

Theoretical Study on the Pressure Induced T_c Change in YBa_2Cu_3O_x

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EN
Abstracts
EN
Pressure effect on the critical temperature, T_{c}, of the YBa_2Cu_3O_x superconductor was considered in the frame of a simple theoretical model which as a starting point assumes that T_{c} vs. pressure, P, dependence can be described by an inverted parabola. Available experimental results on T_{c} behavior under pressure were analyzed as a function of the zero pressure hole concentration in the superconducting CuO_2 planes, n_{h}(P = 0 GPa) = n_{h0}, for different constant values of P. Maximum T_{c} that can be achieved under pressure was estimated and discussed in relation to the n_{h0} = 1/8 doping and establishment of charge and spin order. The results obtained here were used to estimate increase of the hole concentration in the CuO_2 planes which occurs as a result of pressure induced oxygen reordering.
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EN
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Year
Volume
124
Issue
4
Pages
745-749
Physical description
Dates
published
2013-10
received
2013-04-24
Contributors
author
  • Laboratory of Theoretical and Condensed Matter Physics, Institute of Nuclear Sciences "Vinča", University of Belgrade, P.O. Box 522, 11001 Belgrade, Serbia
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv124n426kz
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