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|Title:||Band-gap energies and structural properties of doped Ba 0.5Sr 0.5TiO 3 thin films||Authors:||Zheng, Y.B.
|Issue Date:||2006||Citation:||Zheng, Y.B., Wang, S.J., Huan, A.C.H., Tripathy, S., Chai, J.W., Kong, L.B., Ong, C.K. (2006). Band-gap energies and structural properties of doped Ba 0.5Sr 0.5TiO 3 thin films. Journal of Applied Physics 99 (1) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2160718||Abstract:||We have investigated the effect of Ti and Mg dopants on the structural properties and band-gap energies of Ba0.5 Sr0.5 Ti O3 (BST) thin films grown on LaAl O3 substrates. The transmission spectra of these BST thin films measured by ultraviolet-visible spectrophotometer show that the band-gap energies are strongly dependent on the dopant concentration. Based on the structural analyses and theoretical calculation, the variation of the band-gap energies can be attributed to the combined effects of stress, grain size, and phase transformation in Ti- and Mg-doped BST thin films. © 2006 American Institute of Physics.||Source Title:||Journal of Applied Physics||URI:||http://scholarbank.nus.edu.sg/handle/10635/115605||ISSN:||00218979||DOI:||10.1063/1.2160718|
|Appears in Collections:||Staff Publications|
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