Lattice and charge effects in high-temperature superconductors

被引：0

作者：

T. Egami

R.J. McQueeney

J.-H. Chung

M. Yethiraj

H.A. Mook

M. Arai

Y. Inamura

Y. Endoh

S. Tajima

C. Frost

F. Dogan

机构：

[1] Laboratory for Research on the Structure of Matter and Department of Materials Science and Engineering,

[2] University of Pennsylvania,undefined

[3] Philadelphia,undefined

[4] PA 19104-6272 USA,undefined

[5] Los Alamos National Laboratory,undefined

[6] Los Alamos,undefined

[7] NM 87545 USA,undefined

[8] Oak Ridge National Laboratory,undefined

[9] Oak Ridge,undefined

[10] TN 37831,undefined

[11] USA,undefined

[12] Institute of Materials Structure Science,undefined

[13] KEK,undefined

[14] Tsukuba 305-0801,undefined

[15] Japan,undefined

[16] Institute for Materials Research,undefined

[17] Tohoku University,undefined

[18] Sendai 980,undefined

[19] Japan,undefined

[20] Superconductivity Research Laboratory,undefined

[21] International Superconductivity Technology Center,undefined

[22] Tokyo 135-0062,undefined

[23] Japan,undefined

[24] Rutherford Appleton Laboratory,undefined

[25] Didcot,undefined

[26] Oxon,undefined

[27] OX11 0QX,undefined

[28] UK,undefined

[29] Department of Materials Science,undefined

[30] University of Washington,undefined

[31] Seattle,undefined

[32] WA 98195,undefined

[33] USA,undefined

来源：

Applied Physics A | 2002年 / 74卷

关键词：

PACS: 63.20.-e; 74.72.-h; 78.70.Nx;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We present the results of inelastic neutron-scattering measurements of a twinned crystal of YBa2Cu3O6.95 using the MAPS spectrometer of the ISIS facility of the Rutherford–Appleton Laboratory as well as the HFIR of the Oak Ridge National Laboratory. The dispersion of the Cu–O bond-stretching modes indicates a strong dielectric anisotropy within the plane and associated electronic anisotropy, supporting the dynamic stripe model. The results suggest a possibility that phonons play a major role in the mechanism of high-temperature superconductivity.

引用

页码：s1635 / s1637

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