Publications
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.
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
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