Fig. 4

Changes in the loss of PMMA and X%SnO2/PMMA samples at different frequencies at (a) 25 °C, (b) 55 °C, (c) 75 °C, (d) 95 °C, and (e) 120 °C and (f) error bar.

Changes in the loss of PMMA and X%SnO2/PMMA samples at different frequencies at (a) 25 °C, (b) 55 °C, (c) 75 °C, (d) 95 °C, and (e) 120 °C and (f) error bar.