NEUTRON SPECTROSCOPIC STUDIES OF CRYSTALLINE ELECTRIC-FIELDS IN HIGH-TC ERBA2CU3O7 DOPED WITH ZN AND NI

被引：17
|
作者：
PODLESNYAK, A
KOZHEVNIKOV, V
MIRMELSTEIN, A
ALLENSPACH, P
MESOT, J
STAUB, U
FURRER, A
OSBORN, R
BENNINGTON, SM
TAYLOR, AD
机构：
[1] ETH ZURICH,LABOR NEUTRONENSTREUUNG,CH-5232 VILLIGEN,SWITZERLAND
[2] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
来源：
PHYSICA C | 1991年 / 175卷 / 5-6期
关键词：
D O I：
10.1016/0921-4534(91)90269-5
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The crystalline electric field (CEF) splitting of the Er3+ 4f-shell in the high-T(c) superconductor ErBa2Cu3O7 doped with Zn and Ni has been investigated by the inelastic neutron scattering technique. The observed energy spectra exhibit a large number of well resolved CEF transitions between 8 and 80 meV, so that we have been able to determine all nine CEF parameters required for the orthorhombic symmetry. The results are used to derive information on the effective charge associated with the superconducting CuO2 planes.
引用
收藏
页码：587 / 594
页数：8
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