A. Tkach
AuthID: R-00F-91Z
11
TITLE: High Q Dielectric Titanium Tellurite Thick Films on Alumina Substrates for High Frequency Telecommunications Full Text
AUTHORS: Su, XM; Tkach, A; Krupka, J; Vilarinho, PM;
PUBLISHED: 2022, SOURCE: MATERIALS, VOLUME: 15, ISSUE: 2
AUTHORS: Su, XM; Tkach, A; Krupka, J; Vilarinho, PM;
PUBLISHED: 2022, SOURCE: MATERIALS, VOLUME: 15, ISSUE: 2
INDEXED IN: 
Scopus 
WOS
Scopus WOS12
TITLE: Low-Temperature Dielectric Response of Strontium Titanate Thin Films Manipulated by Zn Doping Full Text
AUTHORS: Okhay, O; Vilarinho, PM; Tkach, A;
PUBLISHED: 2022, SOURCE: MATERIALS, VOLUME: 15, ISSUE: 3
AUTHORS: Okhay, O; Vilarinho, PM; Tkach, A;
PUBLISHED: 2022, SOURCE: MATERIALS, VOLUME: 15, ISSUE: 3
INDEXED IN: Scopus WOS
Scopus WOS13
TITLE: Reduced Graphene Oxide-Polycarbonate Electrodes on Different Supports for Symmetric Supercapacitors
AUTHORS: Okhay, Olena; Bastos, Alexandre Cunha; Andreeva, Kateryna; Tuukkanen, Sampo; Tkach, Alexander;
PUBLISHED: 2022, SOURCE: C-JOURNAL OF CARBON RESEARCH, VOLUME: 8, ISSUE: 1
AUTHORS: Okhay, Olena; Bastos, Alexandre Cunha; Andreeva, Kateryna; Tuukkanen, Sampo; Tkach, Alexander;
PUBLISHED: 2022, SOURCE: C-JOURNAL OF CARBON RESEARCH, VOLUME: 8, ISSUE: 1
INDEXED IN: WOS
WOS14
TITLE: Elastic moduli of potassium sodium niobate ceramics: Impact of spark plasma texturing
AUTHORS: Pinho, Rui; Tkach, Alexander; Carpenter, Michael A.; Noudem, Jacques; Costa, M. Elisabete; Vilarinho, Paula M.;
PUBLISHED: 2022, SOURCE: SCRIPTA MATERIALIA, VOLUME: 218
AUTHORS: Pinho, Rui; Tkach, Alexander; Carpenter, Michael A.; Noudem, Jacques; Costa, M. Elisabete; Vilarinho, Paula M.;
PUBLISHED: 2022, SOURCE: SCRIPTA MATERIALIA, VOLUME: 218
INDEXED IN: Scopus WOS
Scopus WOS15
TITLE: Synergetic Effect of Polyaniline and Graphene in Their Composite Supercapacitor Electrodes: Impact of Components and Parameters of Chemical Oxidative Polymerization
AUTHORS: Okhay, Olena; Tkach, Alexander;
PUBLISHED: 2022, SOURCE: NANOMATERIALS, VOLUME: 12, ISSUE: 15
AUTHORS: Okhay, Olena; Tkach, Alexander;
PUBLISHED: 2022, SOURCE: NANOMATERIALS, VOLUME: 12, ISSUE: 15
INDEXED IN: Scopus WOS
Scopus WOS16
TITLE: RF Phase Shifters Design Based on Barium Strontium Titanate Thick and Thin Films
AUTHORS: Bouca, Patricia; Pinho, Rui; Wlodarkiewicz, Anna; Tkach, Alexander; Matos, Joao Nuno; Vilarinho, Paula M.; de Carvalho, Nuno Borges;
PUBLISHED: 2022, SOURCE: 1st IEEE MTT-S International Conference on Microwave Acoustics and Mechanics (IC-MAM) in 2022 IEEE MTT-S INTERNATIONAL CONFERENCE ON MICROWAVE ACOUSTICS AND MECHANICS (IC-MAM)
AUTHORS: Bouca, Patricia; Pinho, Rui; Wlodarkiewicz, Anna; Tkach, Alexander; Matos, Joao Nuno; Vilarinho, Paula M.; de Carvalho, Nuno Borges;
PUBLISHED: 2022, SOURCE: 1st IEEE MTT-S International Conference on Microwave Acoustics and Mechanics (IC-MAM) in 2022 IEEE MTT-S INTERNATIONAL CONFERENCE ON MICROWAVE ACOUSTICS AND MECHANICS (IC-MAM)
INDEXED IN: Scopus WOS
Scopus WOS17
TITLE: Flash Sintered Potassium Sodium Niobate: High-Performance Piezoelectric Ceramics at Low Thermal Budget Processing Full Text
AUTHORS: Serrazina, Ricardo; Tkach, Alexander; Pereira, Luis; Senos, Ana M. O. R.; Vilarinho, Paula M.;
PUBLISHED: 2022, SOURCE: MATERIALS, VOLUME: 15, ISSUE: 19
AUTHORS: Serrazina, Ricardo; Tkach, Alexander; Pereira, Luis; Senos, Ana M. O. R.; Vilarinho, Paula M.;
PUBLISHED: 2022, SOURCE: MATERIALS, VOLUME: 15, ISSUE: 19
INDEXED IN: Scopus WOS
Scopus WOS18
TITLE: Polyaniline-Graphene Electrodes Prepared by Electropolymerization for High-Performance Capacitive Electrodes: A Brief Review
AUTHORS: Okhay, Olena; Tkach, Alexander;
PUBLISHED: 2022, SOURCE: BATTERIES-BASEL, VOLUME: 8, ISSUE: 10
AUTHORS: Okhay, Olena; Tkach, Alexander;
PUBLISHED: 2022, SOURCE: BATTERIES-BASEL, VOLUME: 8, ISSUE: 10
INDEXED IN: Scopus WOS
Scopus WOS19
TITLE: Comment on "Point defect structure of La-doped SrTiO3 ceramics with colossal permittivity" Full Text
AUTHORS: Alexander Tkach; Olena Okhay;
PUBLISHED: 2021, SOURCE: SCRIPTA MATERIALIA, VOLUME: 190
AUTHORS: Alexander Tkach; Olena Okhay;
PUBLISHED: 2021, SOURCE: SCRIPTA MATERIALIA, VOLUME: 190
INDEXED IN: Scopus WOS
Scopus WOS20
TITLE: Comment on "Hole-pinned defect-dipoles induced colossal permittivity in Bi doped SrTiO3 ceramics with Sr deficiency" Full Text
AUTHORS: Tkach, A; Okhay, O;
PUBLISHED: 2021, SOURCE: JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, VOLUME: 65
AUTHORS: Tkach, A; Okhay, O;
PUBLISHED: 2021, SOURCE: JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, VOLUME: 65
INDEXED IN: Scopus WOS
Scopus WOS