Comparison between muon spin rotation and neutron scattering studies on the 3-dimensional magnetic ordering of La2CuO4-y

被引：0

作者：

Uemura, Y.J. ^{[1
]}

Kossler, W.J. ^{[1
]}

Kempton, J.R. ^{[1
]}

Yu, X.H. ^{[1
]}

Schone, H.E. ^{[1
]}

Opie, D. ^{[1
]}

Stronach, C.E. ^{[1
]}

Brewer, J.H. ^{[1
]}

Kiefl, R.F. ^{[1
]}

Kreitzman, S.R. ^{[1
]}

Luke, G.M. ^{[1
]}

Riseman, T. ^{[1
]}

Williams, D.Ll. ^{[1
]}

Ansaldo, E.J. ^{[1
]}

Endoh, Y. ^{[1
]}

Kudo, E. ^{[1
]}

机构：

[1] Brookhaven Natl Lab, United States

来源：

Physica C: Superconductivity and its Applications | 1988年 / 153-55卷 / 01期

关键词：

within the C'u-0 plane; and b} the cut-off of the spin correlation between different Cu - O planes. It is not possible to determine from the present work whether either or both of them take place. The neutron study of ref. 5 gives support to b) for the particular case of the specimen shown in Fig. 3. By combining neutron and muon experiments; one can estimate the microscopic static moment to be S = 0.5 ~ 0.6l.tB/Ou. This value is significantly smaller than the integer moment for spin 1/2; but it can be explained by the quantum spin reduction for the spin 1/2 2-d Heisenberg system obtained from the statistical-mechanics calculationss . A spin-density-wave state is another possibility to create the non-integer moment. From the present work alone; it is not posssible to tell which is the case. We are grateful for useful discussions with R.J. Birgeneau; V.J; Emery; G. Shirane and S.K. Sinha. This work is supported by the USDOE (DE-AC02-76CH00016); the US NSF (DMR 8503223); NASA; {NAG-I-416); the Canadian NSERC; and by the Japanese Ministry of Education; Culture and Science (Grant-in-Aid for Scientific Research);

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页码：769 / 770

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