Effect of doping in BaNi2V2O8, a two-dimensional honeycomb antiferromagnet

We report the temperature dependence of susceptibility chi(T) of the two-dimensional (2D) honeycomb antiferromagnetic (AF) Ba(Ni1-xCux)2V2O8 for and 0.1. The undoped BaNi2V2O8 is known to exhibit long-range-order (LRO) below with . We find that doping Cu (S=1/2) at Ni (S=1) site results in a magneti...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2005-12, Vol.369 (1-4), p.72-75
Main Authors: NATH, R, DAS, J, MAHAJAN, A. V
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic properties and materials
Magnetically ordered materials: other intrinsic properties
Physics
Saturation moments and magnetic susceptibilities
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Summary:We report the temperature dependence of susceptibility chi(T) of the two-dimensional (2D) honeycomb antiferromagnetic (AF) Ba(Ni1-xCux)2V2O8 for and 0.1. The undoped BaNi2V2O8 is known to exhibit long-range-order (LRO) below with . We find that doping Cu (S=1/2) at Ni (S=1) site results in a magnetic dilution effect which suppresses the three-dimensional (3D) ordering temperature (TN). Our results are compared with those of nonmagnetic Mg-doped BaNi2V2O8.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2005.07.038