Upconversion photoluminescence of sub-micron lanthanum oxysulfide particles co-doped with Yb3+/Ho3+ and Yb3+/Tm3+ synthesized by optimized combustion technique
2017 ◽
Vol 29
(6)
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pp. 5124-5133
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2021 ◽
Vol 32
(5)
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pp. 6304-6311
2016 ◽
Vol 53
(4)
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pp. 456-462
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