Magnetic hybrid transition metal halides

Abstract

Metal-halide semiconductors (MHS) have gained significant attention in recent years due to their exceptional optoelectronic properties. While most MHS systems that are currently under investigation are nonmagnetic, the diverse chemical...

Expanding the Family of Magnetic Vacancy-Ordered Halide Double Perovskites

“…While the focus has largely been on the main-group-element-based compositions due to their high performance in optoelectronic devices, 1,2 the relative dearth of transition-metal-based halide perovskites offers a tantalizing opportunity to explore new compositions with magnetic cations. 3 Furthermore, drawing structure−property relationships in magnetic metal halides will facilitate a deeper understanding of the interactions between composition, geometry, and magnetism in metal halides, paving the way toward their use in, for example, spintronics 4 and data storage. 5 The vacancy-ordered halide double perovskites (VDPs), having the general formula A 2 I B IV X 6 where A is a monovalent cation, B is tetravalent metal, and X is a halide, can accommodate a wide swath of the periodic table into their B-site, including several magnetic B-site cations.…”

“…As metal–halide perovskites have come to research prominence for their optoelectronic properties, a large variety of new halide-perovskite compositions and structural derivatives are regularly being discovered and characterized. While the focus has largely been on the main-group-element-based compositions due to their high performance in optoelectronic devices, , the relative dearth of transition-metal-based halide perovskites offers a tantalizing opportunity to explore new compositions with magnetic cations . Furthermore, drawing structure–property relationships in magnetic metal halides will facilitate a deeper understanding of the interactions between composition, geometry, and magnetism in metal halides, paving the way toward their use in, for example, spintronics and data storage …”