Electron paramagnetic resonance of Tb3+ ions in YBa2Cu3O6

被引：1

作者：

Gafurov, MR ^{[1
]}

Ivanshin, VA

Kurkin, IN

Rodionova, MP

Keller, H

Gutmann, M

Staub, U

机构：

[1] Kazan State Univ, MRS Lab, Kazan 420008, Russia

[2] Univ Zurich, Inst Phys, CH-8057 Zurich, Switzerland

[3] ETH Zurich, Neutron Scattering Lab, CH-5232 Villigen, Switzerland

[4] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

来源：

JOURNAL OF SUPERCONDUCTIVITY | 2000年 / 13卷 / 06期

关键词：

EPR; YBCO; rare-earth ions; impurities;

D O I：

10.1023/A:1026477519347

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The first observation of electron paramagnetic resonance (EPR) of Tb3+ doped into YBa2 Cu3O6 is reported. EPR is used to determine the local symmetry of the rare-earth ion and to study the effect of suppression of high-T-c superconductivity by doping. The distance between the lowest singlets of Tb3+ ion Delta congruent to 7.1 GHz 0.24 cm(-1) and g-factor g parallel to similar or equal to 17.9 have been estimated from measurements. Both these parameters are in a good agreement with the corresponding calculated values. No evidence of Tb4+ ions was found.

引用

页码：895 / 897

页数：3

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