Olena Okhay

Post-Doc Fellowship

Publications

Role of trivalent Sr substituents and Sr vacancies in tetragonal and polar states of SrTiO3

Tkach, A; Correia, TM; Almeida, A; Moreira, JA; Chaves, MR; Okhay, O; Vilarinho, PM; Gregora, I; Petzelt, J
2011, ACTA MATERIALIA, 59, 14, 5388-5397.

Low temperature dielectric characterization of Mg-doped SrTiO3 thin films prepared by sol-gel

Okhay, O; Wu, AY; Vilarinho, PM; Tkach, A
2010, APPLIED PHYSICS LETTERS, 96, 15.

Dielectric response of polycrystalline Sr1-1.5xBixTiO3 thin films under direct current bias

Okhay, O; Wu, AY; Vilarinho, PM; Tkach, A
2010, APPLIED PHYSICS LETTERS, 97, 6.

High dielectric constant and tunability of strontium titanate ceramics modified by chromium doping

Tkach, A; Okhay, O; Vilarinho, PM; Kholkin, AL
2008, JOURNAL OF PHYSICS-CONDENSED MATTER, 20, 41.

Microstructural studies and electrical properties of Mg-doped SrTiO3 thin films

Okhay, O; Wu, A; Vilarinho, PM; Reaney, IM; Ramos, ARL; Alves, E; Petzelt, J; Pokorny, J
2007, ACTA MATERIALIA, 55, 15, 4947-4954.

Dielectric permittivity and Cr3+ impurity ion probe luminescence in SrTiO3 sol-gel ceramics

Trepakov, VA; Savinov, ME; Okhay, O; Tkach, A; Vilarinho, PM; Kholkin, AL; Gregora, I; Jastrabik, L
2007, JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 27, 13-15, 3705-3707.

Bi effect on the microstructure and dielectric properties of SrTiO(3)thin films

Okhay, O; Bergano, VMX; Wu, AY; Vilarinho, PM
2006, ADVANCED MATERIALS FORUM III, PTS 1 AND 2, 514-516, 245-249.

The Mg influence on the properties of SrTiO3 thin films

Okhay, O; Wu, AY; Vilarinho, PM
2005, JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 25, 12, 3079-3083.

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