INFLUENCE OF HYDROGEN ON THE Y-89 NMR IN HXYBA2CU3O7

被引：24

作者：

GOREN, SD ^{[1
]}

KORN, C ^{[1
]}

VOLTERRA, V ^{[1
]}

RIESEMEIER, H ^{[1
]}

ROSSLER, E ^{[1
]}

SCHAEFER, M ^{[1
]}

VIETH, HM ^{[1
]}

LUDERS, K ^{[1
]}

机构：

[1] FREE UNIV BERLIN,FACHBEREICH PHYS,W-1000 BERLIN 33,GERMANY

来源：

PHYSICAL REVIEW B | 1990年 / 42卷 / 13期

关键词：

D O I：

10.1103/PhysRevB.42.7949

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The ambient-temperature Y89 magnetic resonance line in HxYBa2Cu3O7 was measured at 14.707 MHz as a function of hydrogen concentration x. The Knight shift relative to an aqueous solution of YCl3 increases from -100 ppm for x=0 to +115 ppm for x=1.82. The linewidth at half-amplitude is 1.2 kHz and increases slowly with x in the superconducting samples (0<x<0.74), then increases sharply in the normal samples. It was seen that, for a number of parameters, increasing the hydrogen content gives similar behavior to decreasing the oxygen concentration. Our Y89 NMR data and those of other investigators are analyzed and are consistent with previous evidence for local antiferromagnetic correlations in the superconducting compound. © 1990 The American Physical Society.

引用

页码：7949 / 7952

页数：4

共 15 条

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