Synthesis and Characterization of Triply Doped Nano-Composite Alumina-Phospho- Silicates SiO<sub>2</sub>-P<sub>2</sub>O<sub>5</sub>-Al<sub>2</sub>O<sub>3</sub> with Er<sup>3+</sup>, Sm<sup>3+</sup> and Yb<sup>3+</sup> Ions Prepared by Sol Gel Technique in Two Different Forms Thin Film and Monolith
2016 ◽
Vol 06
(01)
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pp. 1-7
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2014 ◽
Vol 70
(1)
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pp. 104-110
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2002 ◽
Vol 243
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pp. 319-326
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2012 ◽
Vol 430-432
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pp. 937-940
2017 ◽
Vol 3
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pp. 34
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