Figure 4
Non-harmonic joint probability density function map of copper for γ-Cu7PSe6 (353 K); section defined by the Cu1*, Cu2* and Cu3* mode positions (indicated by ×); contour lines for −30, −20 and −10 Å−3 (dashed lines) and from 100 to 2200 Å−3 in intervals of 100 Å−3 (continuous lines). |