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|Title: ||P-31 NMR study of the spin S=1/2 quasi-1D Heisenberg antiferromagnet BaCuP2O7|
|Authors: ||MAHAJAN, AV|
|Issue Date: ||2006|
|Publisher: ||ELSEVIER SCIENCE BV|
|Citation: ||PHYSICA B-CONDENSED MATTER,378-80,1148-1149|
|Abstract: ||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.|
|Appears in Collections:||Proceedings papers|
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