Abstract
The intercalation compounds of Mn x Tas 2 were synthesized by heating a mixture of TaS 2 and Mn metal in an evacuated silica tube. The single-phase region was determined to be 0.20 ≤ x ≤ 0.50 in Mn x TaS 2 at 1000°C. The hexagonal c-axis increased simply with increasing manganese content x, while the a-axis had anomalies at x = 1/4 and 1/3 where different superlattices were observed. The temperature dependence of electrical resistivity showed metallic behavior. The temperature variation of magnetic susceptibility obeyed a Curie-Weiss law. The Weiss constant (paramagnetic Curie temperature) θ decreased with x and the value changed from positive to negative at x = 0.50, suggesting the change of exchange interactions from ferromagnetic to antiferromagnetic. The valance state of manganese in Mn x TaS 2 was evaluated as divalent by P eff (effective Bohr magneton) calculated from the Curie constant.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
