Magnetic Properties of (Cr_1−yV_y)_1−δTe (δ=0.14)

Abstract

Thermomagnetic properties of a solid solution between Cr_1−δTe (a metallic ferromagnetic compound) and V_1−δTe (a Pauli paramagnetic one) are investigated. The Curie temperature decreases with increasing y, and disappears at a triple point (y=0.79, T=45 K). An extra magnetic phase is found beyond the triple point, which has the characteristics of spin glass or mictomagnetic states. At the transition temperature from the extra phase to the paramagnetic one, the χ vs T curve shows a sharp cusp even in a high field (6.3 kOe), The Curie constant C_M(y) and the Weiss one θ_p(y) are determined by means of a high temperature extrapolation procedure. Obtained values of C_M(y) indicate that the average magnetic moment per Cr atom is nearly constant over the whole range of y. A deviation of θ_p(y) from the linear dependence on y is observed.