Dispersive magnetic excitations in non-superconducting PrBa2Cu3O6+x (x≈0.93)

被引：0
|
作者：
C.H. Gardiner
S.J.S. Lister
A.T. Boothroyd
N.H. Andersen
A.A. Zhokhov
A. Stunault
A. Hiess
机构：
[1] Department of Physics,
[2] Oxford University,undefined
[3] Oxford,undefined
[4] OX1 3PU,undefined
[5] UK,undefined
[6] Riso National Laboratory,undefined
[7] 4000 Roskilde,undefined
[8] Denmark,undefined
[9] Russian Academy of Sciences,undefined
[10] Institute of Solid State Physics,undefined
[11] Chernogolvka 14232,undefined
[12] Russia,undefined
[13] Institut Laue–Langevin,undefined
[14] 38042 Grenoble Cedex 9,undefined
[15] France,undefined
来源：
Applied Physics A | 2002年 / 74卷
关键词：
PACS: 75.30.Ds; 74.72.Bk; 75.10.Dg;
D O I：
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学科分类号：
摘要：
We report preliminary results of a neutron inelastic scattering study of the magnetic excitations in single-crystal PrBa2Cu3O6+x (x≈0.93). The measurements probe (i) the dispersion of the low-energy crystal field levels of the Pr ion in the low-temperature AFIII magnetic phase and (ii) the Cu optic spin wave mode gap in the AFI magnetic phase. We compare the results with previous measurements made when the same crystal was in an oxygen-deficient state, and thus establish the effect of hole doping on the magnetic excitations.
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页码：s898 / s900
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