Near-infrared to visible upconversion and second harmonic generation in BaTiO3:Ho3+ and BaTiO3:Ho3+/Yb3+ phosphors

The present work shows the properties of BaTiO3:Ho3+ and BaTiO3:Ho3+/Yb3+ phosphors, prepared by the sol-gel method. The samples were characterized by powder X-ray diffraction (PXRD), Raman spectroscopy and scanning electronic microscopy (SEM). Upconversion (UC) and second harmonic generation (SHG)...

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Veröffentlicht in:	Journal of alloys and compounds 2019-10, Vol.806, p.1146-1152
Hauptverfasser:	Vega, M., Martin, I.R., Llanos, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Barium titanates Crystallization Dependence Emission analysis Emission spectra Energy transfer Holmium Inorganic materials Multifunctional materials Optical materials Perovskite structure Perovskites Phosphors Photoluminescence Raman spectra Raman spectroscopy Second harmonic generation Second harmonic generations Sol-gel processes Spectrum analysis Upconversion X ray powder diffraction Ytterbium
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