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dc.date.accessioned2008-06-20T10:53:54Z
dc.date.available2008-06-20T10:53:54Z
dc.date.issued1989
dc.identifier.issn1098-0121
dc.identifier.issn0163-1829
dc.identifier.issn0556-2805
dc.identifier.uriurn:nbn:de:hebis:34-2008062022141
dc.identifier.urihttp://hdl.handle.net/123456789/2008062022141
dc.format.extent415744 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherAmerican Physical Societyeng
dc.subject.ddc530
dc.titleTheoretical study of the structural dependence of nuclear quadrupole frequencies in high-T_c superconductorseng
dc.typeAufsatz
dcterms.abstractThe remarkable difference between the nuclear quadrupole frequencies v_Q of Cu(1) and Cu(2) in YBa_2Cu_3O_6 and YBa_2Cu_3O_7 is analyzed. We calculate the ionic contribution to the electric field gradients and estimate, by using experimental results for Cu_2O and La_2CuO_4, the contribution of the d valence electrons. Thus, we determine v_Q1, v_Q2, and the asymmetry parameter η for YBa_2Cu_3O_6 and YBa_2Cu_3O_7. The number of holes in dthe Cu-O planes and chains is found to be important for the different behavior of v_Q1 and v_Q2.eng
dcterms.accessRightsopen access
dcterms.bibliographicCitationPhys. Rev. B 40, 8809 (1989)
dcterms.creatorGarcia, Martin E.
dcterms.creatorBennemann, K. H.
dc.description.etExternger


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