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.
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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.
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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.
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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.
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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.
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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.
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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.
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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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Metal Oxide Based Thermoelectric Materials
In Vijay Kumar, Irfan Ayoub, Vishal Sharma, Hendrik C. Swart (Eds.), Optical Properties of Metal Oxide Nanostructures
Olena Okhay and Alexander Tkach
2023, 399-430, Singapore , Springer Nature Singapore Pte Ltd..
ISBN:
978-981-99-5639-5
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Strain effect on the properties of polar dielectric thin films

In Alexander Pogrebnjak and Valentin Novosad (Eds.), Advances in Thin Films, Nanostructured Materials, and Coatings
Tkach, A; Okhay, O; Santos, A; Zlotnik, S; Serrazina, R; Vilarinho, PM; Costa, ME
2019, 331-342, Springer Nature Singapore Pte Ltd.
ISBN:
978-981-13-6132-6
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