O-17 NMR-SPECTROSCOPY OF BI2SR2CACU2O8+X HIGH-TC SUPERCONDUCTOR

被引：18

作者：

TROKINER, A ^{[1
]}

MELLET, R ^{[1
]}

POUGNET, AM ^{[1
]}

MORIN, D ^{[1
]}

GAO, YM ^{[1
]}

PRIMOT, J ^{[1
]}

SCHNECK, J ^{[1
]}

机构：

[1] CTR NATL ETUD TELECOMMUN, F-92220 BAGNEUX, FRANCE

来源：

PHYSICAL REVIEW B | 1990年 / 41卷 / 13期

关键词：

D O I：

10.1103/PhysRevB.41.9570

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have investigated at room temperature and at 7 K the O17 NMR spectrum of a chemically and structurally characterized enriched17 powder of Bi2Sr2CaCu2O8+x superconductor. Using the frequency dependence of the spectrum and T1 relaxation-time measurements, we were able to infer that the two lines constituting the spectra can be assigned to the oxygen nuclei in the SrO planes and to the oxygen nuclei in the CuO2 planes. The absence of the expected BiO line is accounted for, on the basis of the incommensurate superstructure existing in these compounds. © 1990 The American Physical Society.

引用

页码：9570 / 9573

页数：4

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