Curious compound: Tinselenide may hold the key for thermoelectric solutions NatureComms
. In detail, fused silica tubes containing a 1:1 stoichiometric ratio of metallic tin and selenium shot were sealed under vacuum. Throughout the sealing process, the temperature of the outside surface of the silica tubes was controlled to limit sublimation of selenium prior to sealing. The ampoules containing 5 g charges were placed in a muffle furnace and heated from room temperature to 510 K over 110 h.
with scale factor, zero shift, background, unit cell parameters, peak profile parameters, and anisotropic temperature factors refined. Data refinements in GSAS-II were checked for stability and the presence of local minima by randomly changing parameters and restarting the refinements.The PDF method, as a powerful total scattering technique, has been widely used to examine both the local structure and long-range structure of disordered crystalline materials.
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