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- Effect of variations in annealing temperature and metallic cations on nanostructured molybdate thin films
- Universidade Federal de São Carlos (UFSCar)
- Universidade Estadual Paulista (UNESP)
- Crystalline molybdate thin films were prepared by the complex polymerization method. The AMoO(4) (A = Ca, Sr, Ba) films were deposited onto Si wafers by the spinning technique. The Mo-O bond in the AMoO(4) structure was confirmed by FTIR spectra. X-ray diffraction revealed the presence of crystalline scheelite-type phase. The mass, size, and basicity of A(2+) cations was found to be dependent on the intrinsic characteristics of the materials. The grain size increased in the following order: CaMoO4 < SrMoO4 < BaMoO4. The emission band wavelength was detected at around 576 nm. Our findings suggest that the material's morphology and photoluminescence were both affected by the variations in cations (Ca, Sr, or Ba) and in the thermal treatment.
- Nanoscale Research Letters. New York: Springer, v. 3, n. 4, p. 152-157, 2008.
- thin films
- complex polymerization method
- Acesso aberto
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