Surface Plasmon Resonance Enhanced Spontaneous Upconversion and Stimulated Emissions in Glass Ceramics Containing Ba₂LaF₇ Nanocrystals

Figure 2

(a) TEM micrograph of 0 Ag sample: the inset is the SAED pattern of the 0 Ag sample. (b) HR-TEM image of 0 Ag sample: the inset is the enlargement of HR-TEM image of the corresponding sample. (c) TEM micrograph of 0.5 Ag sample. (d) HR-TEM image of 0.5 Ag sample: the inset is the enlargement of HR-TEM image of the corresponding sample.

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