Figure 4.

Compositional plane of the crystal structure in Nb-Ge-O thin films. Squares indicate phase mixture of Nb2O5 and GeO2, triangles indicate phase mixture of Nb2O5 and NbO2, black dots indicate single-phase Nb2O5, and red dots indicate phase mixture of Ge and Nb2O5.

Abe Nanoscale Research Letters 2012 7:341   doi:10.1186/1556-276X-7-341
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