Thermal expansion of the quasi two-dimensional magnetic layered compound BaNi$_{2}$V$_{2}$O$_{8}$ under magnetic fields along c-axis

W. Knafo; C. Meingast; K. Grube; S. Drobnik; P. Popovich; P. Schweiss; Th. Wolf; H. v. Loehneysen

doi:10.1016/j.jmmm.2006.10.384

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Thermal expansion of the quasi two-dimensional magnetic layered compound BaNi$_{2}$V$_{2}$O$_{8}$ under magnetic fields along c-axis

W. Knafo·C. Meingast·K. Grube·S. Drobnik·P. Popovich·P. Schweiss·Th. Wolf·H. v. Loehneysen

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Abstract

The quasi two-dimensional magnetic BaNi$_{2}$V$_{2}$O$_{8}$ is studied by using high-resolution thermal expansion in magnetic fields up to 10 T applied along the c-axis. A slight increase of about 1 % of the three-dimensional antiferromagnetic ordering temperature $T_N$ is observed at 10 T. Positive and negative pressure dependencies of $T_N$, respectively, are inferred from the thermal expansion $α(T)$ for pressures applied along the $a$- and $c$-axes.

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W. Knafo, C. Meingast, K. Grube, S. Drobnik, P. Popovich, P. Schweiss, Th. Wolf, H. v. Loehneysen. 2006-06-07. Thermal expansion of the quasi two-dimensional magnetic layered compound BaNi$_{2}$V$_{2}$O$_{8}$ under magnetic fields along c-axis. https://doi.org/10.1016/j.jmmm.2006.10.384

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