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Low-Temperature 31P NMR Study of the Two-Dimensional Frustrated Square Lattice Compound BaCdVO(PO4)2

TitleLow-Temperature 31P NMR Study of the Two-Dimensional Frustrated Square Lattice Compound BaCdVO(PO4)2
Publication TypeJournal Article
Year of Publication2011
AuthorsRoy B, Furukawa Y, Nath R, Johnston DC
Journal TitleJournal of Physics: Conference Series
Volume1
Pages012048
Date Published09/28
Abstract

We report the 31P NMR spectrum and spin-lattice relaxation rate 1/T1 as a function of temperature in the two-dimensional frustrated square lattice compound BaCdVO(PO4)2. The temperature dependence of 1/T1 indicates the existence of antiferromagnetic ordering at TN ~ 1.05 K which is also evidenced by the broadening of the NMR spectrum below that temperature. The temperature dependences of 1/T1 and 1/T1Tχ just above TN demonstrate the importance of two-dimensional antiferromagnetic spin correlations for critical fluctuations.
DOI10.1088/1742-6596/320/1/012048