UV radiation emitting LiAl5O8 doped with Gd3+ ceramic: Optical and EPR correlation study

Trivalent gadolinium (Gd3+)-doped calcium zinc silicate (Ca2ZnSi2O7/hardystonite) with a molar composition of Ca2−x ZnSi2O7:xGd3+ (x = 0.09 mol) was produced using a sol–gel system. The hardystonite was characterized using X-ray diffraction and Fourier transform infrared spectroscopy. The X-ray diffraction study revealed that the prepared sample contained a tetragonal phase of Ca2ZnSi2O7. The vibrational structures of the sample were studied using Fourier transform infrared spectroscopy measurements. The photoluminescence emission spectrum of the Ca1.91ZnSi2O7:0.09Gd3+ phosphor narrow band was optimized at 312 nm in the Ultraviolet-B region under excitation at 273 nm wavelength. Electron paramagnetic resonance study authenticates the presence of gadolinium (Gd) ions within the trivalent state in the Ca1.91ZnSi2O7:0.09Gd3+ host.

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UV radiation emitting LiAl5O8 doped with Gd3+ ceramic: Optical and EPR correlation study

Cited by 2 publications

References 39 publications

Mechanisms and dynamics of energy transfer sensitization in the Eu3+, Cr3+ and Fe3+ ions in the LiAl5O8 phosphors

Mechanisms and dynamics of energy transfer sensitization in the Eu3+, Cr3+ and Fe3+ ions in the LiAl5O8 phosphors

Ultraviolet-B radiation from Gd (III) doped hardystonite

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