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Figure 7
Structure of the nolanite-type phase viewed perpendicular to the c-axis (a) and along the c-axis (b). Ge1 tetrahedra are shown in red and Sn octahedra are shown in turquoise. |
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Figure 7
Structure of the nolanite-type phase viewed perpendicular to the c-axis (a) and along the c-axis (b). Ge1 tetrahedra are shown in red and Sn octahedra are shown in turquoise. |