A. Tkach
AuthID: R-00F-91Z
1
TITLE: Comment on Enhanced electromagnetic tunability of barium strontium titanate films via coating Pr modified yttrium iron garnet layer Full Text
AUTHORS: Tkach, Alexander; Okhay, Olena;
PUBLISHED: 2025, SOURCE: JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, VOLUME: 224
AUTHORS: Tkach, Alexander; Okhay, Olena;
PUBLISHED: 2025, SOURCE: JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, VOLUME: 224
2
TITLE: Unveiling the electrical performance of flash-sintered potassium sodium niobate Full Text
AUTHORS: Tkach, Alexander; Serrazina, Ricardo; Pereira, Luis; Senos, Ana M. O. R.; Vilarinho, Paula M. ;
PUBLISHED: 2024, SOURCE: JOURNAL OF MATERIALS CHEMISTRY C
AUTHORS: Tkach, Alexander; Serrazina, Ricardo; Pereira, Luis; Senos, Ana M. O. R.; Vilarinho, Paula M. ;
PUBLISHED: 2024, SOURCE: JOURNAL OF MATERIALS CHEMISTRY C
3
TITLE: Initial Study of Reduced Graphene Oxide Foams Modified by Mn and Bi as Capacitive Electrode Materials
AUTHORS: Olena Okhay; Tao Yang; Alexander Tkach;
PUBLISHED: 2024, SOURCE: Nanoenergy Advances, VOLUME: 4, ISSUE: 4
AUTHORS: Olena Okhay; Tao Yang; Alexander Tkach;
PUBLISHED: 2024, SOURCE: Nanoenergy Advances, VOLUME: 4, ISSUE: 4
INDEXED IN: 
Scopus 
CrossRef
Scopus CrossRef4
TITLE: Low-temperature solution processing route for potassium sodium niobate (KNN) thin films Full Text
AUTHORS: Pinho, Rui; Bretos, Inigo; Jimenez, Ricardo; Calzada, M. Lourdes; Hortiguela, Maria J.; Otero Irurueta, Gonzalo; Ivanov, Maxim; Tkach, Alexander; Costa, M. Elisabete; Vilarinho, Paula M. ;
PUBLISHED: 2023, SOURCE: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, VOLUME: 43, ISSUE: 11
AUTHORS: Pinho, Rui; Bretos, Inigo; Jimenez, Ricardo; Calzada, M. Lourdes; Hortiguela, Maria J.; Otero Irurueta, Gonzalo; Ivanov, Maxim; Tkach, Alexander; Costa, M. Elisabete; Vilarinho, Paula M. ;
PUBLISHED: 2023, SOURCE: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, VOLUME: 43, ISSUE: 11
5
TITLE: Ultrafast high-temperature sintering of gadolinia-doped ceria Full Text
AUTHORS: Alemayehu, Adam; Biesuz, Mattia; Javan, Kimia Y.; Tkach, Alexander; Vilarinho, Paula M. ; Sglavo, Vincenzo M.; Tyrpekl, Vaclav;
PUBLISHED: 2023, SOURCE: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, VOLUME: 43, ISSUE: 11
AUTHORS: Alemayehu, Adam; Biesuz, Mattia; Javan, Kimia Y.; Tkach, Alexander; Vilarinho, Paula M. ; Sglavo, Vincenzo M.; Tyrpekl, Vaclav;
PUBLISHED: 2023, SOURCE: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, VOLUME: 43, ISSUE: 11
6
TITLE: High-frequency dielectric properties of K1-xLixTaO3 ceramics compared to crystals Full Text
AUTHORS: Nuzhnyy, Dmitry; Petzelt, Jan; Bovtun, Viktor; Kempa, Martin; Repcek, Dalibor; Tkach, Alexander; Vilarinho, Paula M. ; Kamba, Stanislav;
PUBLISHED: 2023, SOURCE: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, VOLUME: 43, ISSUE: 12
AUTHORS: Nuzhnyy, Dmitry; Petzelt, Jan; Bovtun, Viktor; Kempa, Martin; Repcek, Dalibor; Tkach, Alexander; Vilarinho, Paula M. ; Kamba, Stanislav;
PUBLISHED: 2023, SOURCE: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, VOLUME: 43, ISSUE: 12
7
TITLE: Stress induced effects on piezoelectric polycrystalline potassium sodium niobate thin films Full Text
AUTHORS: Pinho, Rui; Vilarinho, Rui ; Moreira, J. Agostinho ; Zorro, Fatima; Ferreira, Paulo; Ivanov, Maxim; Tkach, Alexander; Costa, M. Elisabete; Vilarinho, Paula M. ;
PUBLISHED: 2023, SOURCE: JOURNAL OF MATERIALS CHEMISTRY C, VOLUME: 11, ISSUE: 23
AUTHORS: Pinho, Rui; Vilarinho, Rui ; Moreira, J. Agostinho ; Zorro, Fatima; Ferreira, Paulo; Ivanov, Maxim; Tkach, Alexander; Costa, M. Elisabete; Vilarinho, Paula M. ;
PUBLISHED: 2023, SOURCE: JOURNAL OF MATERIALS CHEMISTRY C, VOLUME: 11, ISSUE: 23
8
TITLE: Comment on "Enhancing the output performance of hybrid nanogenerators based on Al-doped BaTiO<sub>3</sub> composite films: a self-powered utility system for portable electronics" Full Text
AUTHORS: Tkach, Alexander; Okhay, Olena;
PUBLISHED: 2023, SOURCE: JOURNAL OF MATERIALS CHEMISTRY A
AUTHORS: Tkach, Alexander; Okhay, Olena;
PUBLISHED: 2023, SOURCE: JOURNAL OF MATERIALS CHEMISTRY A
INDEXED IN: 
WOS
WOS9
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 WOS10
TITLE: Dielectric Relaxation, Local Structure and Lattice Dynamics in Mn-Doped Potassium Tantalate Ceramics Full Text
AUTHORS: Tkach, A; Almeida, A ; Levin, I; Woicik, JC; Vilarinho, PM;
PUBLISHED: 2021, SOURCE: MATERIALS, VOLUME: 14, ISSUE: 16
AUTHORS: Tkach, A; Almeida, A ; Levin, I; Woicik, JC; Vilarinho, PM;
PUBLISHED: 2021, SOURCE: MATERIALS, VOLUME: 14, ISSUE: 16
INDEXED IN: WOS
WOS