Olena Okhay

Bolseiro de pós-Doutoramento

Publicações

Strain-Mediated Substrate Effect on the Dielectric and Ferroelectric Response of Potassium Sodium Niobate Thin Films

Tkach, A; Santos, A; Zlotnik, S; Serrazina, R; Okhay, O; Bdikin, I; Costa, ME; Vilarinho, PM
2018, COATINGS, 8, 12.

Polar phonons in polycrystalline SrTiO3 thin films: The role of the substrate

Okhay, O; Tkach, A; Nuzhnyy, D; Petzelt, J; Vilarinho, PM
2018, FERROELECTRICS, 532, 1, 89-99.

Giant dielectric permittivity and high tunability in Y-doped SrTiO3 ceramics tailored by sintering atmosphere

Tkach, A; Okhay, O; Almeida, A; Vilarinho, PM
2017, ACTA MATERIALIA, 130, 249-260.
ISBN: 1873-2453

Thin film versus paper-like reduced graphene oxide: Comparative study of structural, electrical, and thermoelectrical properties

Okhay, O; Goncalves, G; Tkach, A; Dias, C; Ventura, J; da Silva, MFR; Goncalves, LMV; Titus, E
2016, JOURNAL OF APPLIED PHYSICS, 120, 5.

Drastic modification of graphene oxide properties by incorporation of nickel: a simple inorganic chemistry approach

Okhay, O; Krishna, R; Tkach, A; Klaui, M; Guerra, LM; Ventura, J; Titus, E; Gracio, JJA
2015, JOURNAL OF MATERIALS SCIENCE, 50, 9, 3425-3433.

Electrical and Magnetic Properties of Graphene Films with Ni Nanoparticles

Okhay, O; Guerra, LM; Ventura, J; Tkach, A; Klaui, M; Krishna, R; Titus, E
2015, MATERIALS TODAY-PROCEEDINGS, 2, 1, 383-388.

Manipulation of dielectric permittivity of sol-gel SrTiO3 films by deposition conditions

Okhay, O; Tkach, A; Wu, A; Vilarinho, PM
2013, JOURNAL OF PHYSICS D-APPLIED PHYSICS, 46, 50.

Magnetic Anomaly and Dielectric Tunability of (Sr,Mn)TiO3 Thin Films

Tkach, A; Okhay, O; Wu, AY; Vilarinho, PM; Bedanta, S; Shvartsman, VV; Borisov, P
2012, FERROELECTRICS, 426, 274-281.

Dielectric relaxation of Sr1-1.5xBixTiO3 sol-gel thin films

Okhay, O; Wu, AY; Vilarinho, PM; Tkach, A
2011, JOURNAL OF APPLIED PHYSICS, 109, 6.

Enhancement of tetragonality and role of strontium vacancies in heterovalent doped SrTiO3

Tkach, A; Almeida, A; Moreira, JA; Correia, TM; Chaves, MR; Okhay, O; Vilarinho, PM; Gregora, I; Petzelt, J
2011, APPLIED PHYSICS LETTERS, 98, 5.

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