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ChemInform Abstract: A New Metastable Thin-Film Strontium Tantalate Perovskite.

✍ Scribed by Mark A. Rodriguez; Timothy J. Boyle; Bernadette A. Hernandez; David R. Tallant; Karel Vanheusden

Publisher
John Wiley and Sons
Year
2010
Weight
35 KB
Volume
30
Category
Article
ISSN
0931-7597

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✦ Synopsis

A New Metastable Thin-Film Strontium Tantalate Perovskite.

-A novel Sr-Ta-O phase is prepared by reaction of Ta(OEt) 5 and Sr(OAc) 2 in aq. HOAc followed by crystallization on Pt-coated SiO 2 /Si substrates at β‰ˆ800 β€’ C. The phase is isolated as thin film only (not as a polycrystalline powder) and is likely metastable. The phase is identified as a cation-deficient compound of formula SrxTaxO 3 (x ∼ = 0.85) having a simple cubic perovskite type structure (space group Pm3m, Z = 1). -(

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