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. 2008 Mar 3;105(10):3696–3699. doi: 10.1073/pnas.0711528105

Fig. 1.

Fig. 1.

Structure and morphology. (A) SEM image of a typical crystal of K1.9Mn0.95Sn2.05S6 (KMS-1) with a hexagonal plate-like shape obtained with a hydrothermal reaction. (B) SEM image of polycrystalline K2xMnxSn3-xS6 (x = 0.5–0.95) obtained by a solid-state reaction. (C) Part of the layer framework of K1.9Mn0.95Sn2.05S6 viewed down the c-axis. The Mn-Sn and S atoms are represented by blue and yellow balls, respectively. (D) View of the structure, with a polyhedral representation of the layers, along the c-axis.