High Field X-Ray Diffraction Measurements in Mn2Sb0.9Sn0.1

摘要

Mnn2nSb with a Cun2nSb-type tetragonal structure is a ferromagnetic below Tc ∼ 550 K [1]. The substitution of various elements (V, Cr, Co, Cu, and Zn) for Mn, as well as (Ge and Sn) for Sb, result in a first-order magnetic transition from a ferromagnetic (FRI) to an antiferromagnetic (AFM) state with decreasing temperature T [1]–[4]. Recently, the dynamics of the FRI-AFM transition in Mnn2-xnConxnSb was reported to be arrested by applying a magnetic field B, the so-called kinetic arrest effect (KA effect) [3]. On the other hand, Mnn2nSbn1-xnSnnxndid not exhibit KA effect in B [4]. In this work, high field xray powder diffraction (HF-XRD) measurements were performed for Mnn2nSbn0n.n9nSnn0.1nin order to clarify the structural properties in magnetic fields.