Browsing by Author Okhay, Olena

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Showing results 1 to 11 of 11
Issue DateTitleAuthor(s)TypeAccess Type
14-Dec-2023Comment on “Enhancing the output performance of hybrid nanogenerators based on Al-doped BaTiO3 composite films: a self-powered utility system for portable electronics”, by B. Dudem, L. K. Bharat, H. Patnam, A. R. Mule and J. S. Yu, J. Mater. Chem. A, 2018, 6, 16101Tkach, Alexander; Okhay, OlenaarticlerestrictedAccess
28-Feb-2021Comment on “Hole-pinned defect-dipoles induced colossal permittivity in Bi doped SrTiO3 ceramics with Sr deficiency”Tkach, Alexander; Okhay, OlenaarticleopenAccess
2015Drastic modification of graphene oxide properties by incorporation of nickel: a simple inorganic chemistry approachOkhay, Olena; Krishna, Rahul; Tkach, Alexander; Klaeui, Mathias; Guerra, Luis M.; Ventura, Joo; Titus, Elby; Gracio, Jose J. A.articlerestrictedAccess
2015Electrical and Magnetic Properties of Graphene Films with Ni NanoparticlesOkhay, Olena; Guerra, Luis M.; Ventura, Joao; Tkach, Alexander; Klaeui, Mathias; Krishna, Rahul; Titus, ElbyarticlerestrictedAccess
1-Feb-2022Low-Temperature Dielectric Response of Strontium Titanate Thin Films Manipulated by Zn DopingOkhay, Olena; Vilarinho, Paula M.; Tkach, AlexanderarticleopenAccess
24-Sep-2023Metal Oxide Based Thermoelectric MaterialsOkhay, Olena; Tkach, AlexanderbookPartrestrictedAccess
17-Oct-2022Polyaniline—Graphene Electrodes Prepared by Electropolymerization for High-Performance Capacitive Electrodes: A Brief ReviewOkhay, Olena; Tkach, AlexanderarticleopenAccess
2-Feb-2022Reduced Graphene Oxide: Polycarbonate Electrodes on Different Supports for Symmetric SupercapacitorsOkhay, Olena; Bastos, Alexandre Cunha; Andreeva, Kateryna; Tuukkanen, Sampo; Tkach, AlexanderarticleopenAccess
2009Strontium titanate based films for tunable device applicationsOkhay, OlenadoctoralThesisopenAccess
Aug-2022Synergetic Effect of Polyaniline and Graphene in Their Composite Supercapacitor Electrodes: Impact of Components and Parameters of Chemical Oxidative PolymerizationOkhay, Olena; Tkach, AlexanderarticleopenAccess
2016Thin film versus paper-like reduced graphene oxide: Comparative study of structural, electrical, and thermoelectrical propertiesOkhay, Olena; Goncalves, Gil; Tkach, Alexander; Dias, Catarina; Ventura, Joao; Ribeiro da Silva, Manuel Fernando; Valente Goncalves, Luis Miguel; Titus, ElbyarticleopenAccess