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Photoluminescent properties of Tb-doped SrMoO4 thin films deposited on quartz substrates by Cho, Shinho is a Materials Science article available to read on EtoBox.
What is Photoluminescent properties of Tb-doped SrMoO4 thin films deposited on quartz substrates about?
Tb 3þ -doped SrMoO 4 thin films were deposited by radio-frequency magnetron sputtering at different growth temperatures. The X-ray diffraction spectra revealed a tetragonal SrMoO 4 structure with the main peak occurring at the (112) plane, regardless of the growth temperature. The average crystalline particle size was determined to be 110 nm using scanning electron microscopy, and cobble-like shapes were observed for all the thin films. The highest average transmittance of 87.2% in the wavelength range of 400-1100 nm was observed for a thin film deposited at a growth temperature of 100 C, where the optical band gap energy was found to be 4.38 eV. The emission spectra of SrMoO 4 :Tb 3þ thin films under excitation at 273 nm exhibited a major emission band at 549 nm and four weak emission bands at 469, 493, 591, and 625 nm. The strongest emission was green at 549 nm, arising from the 5 D 4 → 7 F 5 magnetic dipole transition. The intensity of the magnetic dipole transition is greater than that of the 5 D 4 → 7 F 6 (493 nm) electrical dipole transition, indicating that the Tb 3þ ions in the host lattice occupy sites with inversion symmetry. These results suggest that the optimum green
Who reads Photoluminescent properties of Tb-doped SrMoO4 thin films deposited on quartz substrates?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Cho, Shinho
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 1293-2558)
- Published
- 2020
- Language
- EN
- Field
- Materials Science (Physical Sciences)