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

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Title 31P NMR study of the spin S = 1/2 quasi-1D Heisenberg antiferromagnet BaCuP2O7
 
Creator MAHAJAN, AV
NATH, R
BÜTTGEN, N
KEGLER, C
LOIDL, A
BOBROFF, J
 
Subject antiferromagnetic materials
heisenberg model
magnetic susceptibility
 
Description We present bulk susceptibility and 31P 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/kB Clear anomalies are observed at 0.85 K in the temperature dependence of the 31P 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.
 
Publisher Elsevier
 
Date 2009-03-17T10:05:14Z
2011-11-25T19:14:15Z
2011-12-26T13:07:31Z
2011-12-27T05:55:33Z
2009-03-17T10:05:14Z
2011-11-25T19:14:15Z
2011-12-26T13:07:31Z
2011-12-27T05:55:33Z
2006
 
Type Article
 
Identifier Physica B: Condensed Matter 378-380, 1148-1149
0921-4526
http://dx.doi.org/10.1016/j.physb.2006.01.510
http://hdl.handle.net/10054/954
http://dspace.library.iitb.ac.in/xmlui/handle/10054/954
 
Language en