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P-31 NMR study of the spin S=1/2 quasi-1D Heisenberg antiferromagnet BaCuP2O7

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Title P-31 NMR study of the spin S=1/2 quasi-1D Heisenberg antiferromagnet BaCuP2O7
 
Creator MAHAJAN, AV
NATH, R
BUTTGEN, N
KEGLER, C
LOIDL, A
BOBROFF, J
 
Subject chains
one-dimensional
heisenberg antiferromagnet
 
Description We present bulk susceptibility and P-31 NMR measurements for BaCuP2O7. The data above 1 K are in good agreement with the S = 1/2 Heisenberg antiferromagnetic chain model with an intra-chain exchange constant J/k(B) = 108 K. Clear anomalies are observed at 0.85 K in the temperature dependence of the 31 P NMR shift, spin-lattice relaxation rate, and the spectra signifying the onset of some type of long-range order. The shape of the NMR spectra below 0.85 K Suggest the occurrence of incommensurate order. (c) 2006 Elsevier B.V. All rights reserved.
 
Publisher ELSEVIER SCIENCE BV
 
Date 2011-10-24T07:51:27Z
2011-12-15T09:11:32Z
2011-10-24T07:51:27Z
2011-12-15T09:11:32Z
2006
 
Type Article; Proceedings Paper
 
Identifier PHYSICA B-CONDENSED MATTER,378-80,1148-1149
0921-4526
http://dx.doi.org/10.1016/j.physb.2006.01.510
http://dspace.library.iitb.ac.in/xmlui/handle/10054/15358
http://hdl.handle.net/100/2125
 
Source International Conference on Strongly Correlated Electron Systems (SECES 05),Vienna, AUSTRIA,JUL 26-30, 2005
 
Language English