Y-89 NMR-STUDY OF ANTIFERROMAGNETIC YBA2CU3O6

被引：14

作者：

OHNO, T ^{[1
]}

ALLOUL, H ^{[1
]}

MENDELS, P ^{[1
]}

机构：

[1] UNIV PARIS 11,PHYS SOLIDES LAB,F-91405 ORSAY,FRANCE

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1990年 / 59卷 / 04期

关键词：

antiferromagnetism; high Tc superconductor; linewidth; nmr; spin-lattice relaxation; YBa2Cu3o6;

D O I：

10.1143/JPSJ.59.1139

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The 89Y NMR linewidth Δ H and nuclear spin-lattice relaxation rate 1/T1 have been measured in YBa2Cu3O6 in the temperature range from room temperature to 470 K with the external magnetic field parallel and perpendicular to the c-axis. Both Δ H and 1/T1 show critical behavior due to the three-dimensional (3D) antiferromagnetic phase transition at the Néel temperature TN = 412 K. Above 425 K, the relaxation rate is already dominated by the 2D fluctuations of the antiferromagnetic square lattice of Cu2+. © 1990, THE PHYSICAL SOCIETY OF JAPAN. All rights reserved.

引用

页码：1139 / 1142

页数：4

共 17 条

[1] Y-89 NMR EVIDENCE FOR A FERMI-LIQUID BEHAVIOR IN YBA2CU3O6+X
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[J]. PHYSICAL REVIEW B, 1988, 37 (13): : 7932 - 7935
[7] MAGNETIC PHASE-DIAGRAM AND SUPERCONDUCTIVITY IN HIGH-TC YBA2CU3O7-Y
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[9] OBSERVATION OF SECONDARY MAGNETIC TRANSITION IN TETRAGONAL YBA2CU3OX (6.1-LESS-THAN-OR-EQUAL-TO-X-LESS-THAN-OR-EQUAL-TO-6.4)
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COLLIN, G
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