Xin Liu, Ruoshan Lei, Feifei Huang, Degang Deng, Huanping Wang, Shilong Zhao, Shiqing Xu, "Upconversion luminescence, intrinsic optical bistability, and optical thermometry in Ho3+/Yb3+: BaMoO4 phosphors," Chin. Opt. Lett. 17, 111601 (2019)

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- Chinese Optics Letters
- Vol. 17, Issue 11, 111601 (2019)

Fig. 1. XRD patterns of ( , 5, 7, 10).

Fig. 2. (a) UC spectra of the samples under 980 nm excitation. (b) IOB plot of green emission for phosphor. (c) Logarithmic plots of UC emission intensities as functions of pump power.

Fig. 3. Energy level diagram and the possible UC processes under 980 nm excitation.

Fig. 4. (a) Temperature-dependent UC spectra. (b) The FIRs as functions of temperature under the different excitation powers. (c) The variations of values with temperature and excitation power.

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