Figure 1.

PL spectra of SROEr films with different annealing temperatures. PL spectra of (a) the A. D. SROEr film and the SROEr films annealed at (b) 700°C, (c) 900°C, and (d) 1,150°C in N2 ambience for 30 min. The experimental data is denoted by black lines, the fitting data of the general and the divided peaks are denoted by the red and green lines, respectively.

Jin et al. Nanoscale Research Letters 2013 8:366   doi:10.1186/1556-276X-8-366
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