Olena Okhay

Post-Doc Fellowship

Publications

Long term durability of solid-state supercapacitor based on reduced graphene oxide aerogel and carbon nanotubes composite electrodes

Okhay, O; Tkach, A; Staiti, P; Lufrano, F
2020, ELECTROCHIMICA ACTA, 353.
ISBN: 1873-3859

Effect of Solution Conditions on the Properties of Sol-Gel Derived Potassium Sodium Niobate Thin Films on Platinized Sapphire Substrates

Tkach, A; Santos, A; Zlotnik, S; Serrazina, R; Okhay, O; Bdikin, I; Costa, ME; Vilarinho, PM
2019, NANOMATERIALS, 9, 11.
ISBN: 2079-4991

Thermoelectric performance of Nb-doped SrTiO3 enhanced by reduced graphene oxide and Sr deficiency cooperation

Okhay, O; Zlotnik, S; Xie, WJ; Orlinski, K; Gallo, MJH; Otero-Irurueta, G; Fernandes, AJS; Pawlak, DA; Weidenkaff, A; Tkach, A
2019, CARBON, 143, 215-222.
ISBN: 1873-3891

Tuning electrical and thermoelectric properties of freestanding graphene oxide papers by carbon nanotubes and heat treatment

Okhay, O; Goncalves, G; Dias, C; Ventura, J; Vieira, EMF; Goncalves, LMV; Tkach, A
2019, JOURNAL OF ALLOYS AND COMPOUNDS, 781, 196-200.
ISBN: 1873-4669

Mechanical strain engineering of dielectric tunability in polycrystalline SrTiO3 thin films

Tkach, A; Okhay, O; Reaney, IM; Vilarinho, PM
2018, JOURNAL OF MATERIALS CHEMISTRY C, 6, 10, 2467-2475.

Abnormal Grain Growth as a Method To Enhance the Thermoelectric Performance of Nb-Doped Strontium Titanate Ceramics

Tkach, A; Resende, J; Saravanan, KV; Costa, ME; Diaz-Chao, P; Guilmeau, E; Okhay, O; Vilarinho, PM
2018, ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 6, 12, 15988-15994.

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.

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