Figure 2.

Evolution of mode positions and Q-factors with increasing coating layers. (a) Shift of mode (m = 70, main mode and first sub-mode) with increasing HfO2 coating layers. The dark squares and open circles represent the positions of the main mode and the first sub-mode, respectively. (b) Evolution of the Q-factor of mode (m = 70) with the coating layer. The triangles are the experimental results and the dashed line is the corresponding linear fit.

Zhong et al. Nanoscale Research Letters 2013 8:531   doi:10.1186/1556-276X-8-531
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