Oleksandr Tkach

Additive Manufacturing for Smart Plastics (AM4SP)

ParticipanteIndustry National

BioMEMs Avançados para Engenharia de Tecidos: Aplicações em Tecidos Duros (BioMEMs)

ParticipanteFundação para a Ciência e a Tecnologia

Materiais flexíveis piezoelétricos de alto desempenho preparados utilizando grafite porosa organizada para sensores e geração de energia (PIEZOFLEX)

ParticipanteFundação para a Ciência e a Tecnologia

Multiferroicos e magnetoeléctricos para spintrónica: barreiras e interfaces (PTDC/CTM/099415/2008)

ParticipanteFundação para a Ciência e a Tecnologia

Multifunctional all-oxide heterostructures for electronic applications (IF/00602/2013/CP1162/CT0015)

CoordenadorFundação para a Ciência e a Tecnologia

A comprehensive review of the use of porous graphene frameworks for various types of rechargeable lithium batteries

Okhay, O; Tkach, A
2024, JOURNAL OF ENERGY STORAGE, 80.
ISBN: 2352-1538

Comparative microwave- and conventional oven-assisted hydrothermal syntheses of BaTiO3 nanoparticles for improved electroceramics

Sá, FG; Silva, MRF; Guzmán, DL; Ivanov, M; Tkach, A; Vilarinho, PM; Ferreira, P
2024, CERAMICS INTERNATIONAL, 50, 6, 9096-9104.
ISBN: 1873-3956

Exploring the low temperature fabrication and properties of barium strontium titanate tunable dielectric ceramics

Ribeiro, C; Tkach, A; Costa, ME; Vilarinho, PM
2024, JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 44, 8, 4985-4991.
ISBN: 1873-619X

Comment on "Ferroelectric composite-based piezoelectric energy harvester for self-powered detection of obstructive sleep"

Tkach, A; Okhay, O
2024, JOURNAL OF MATERIOMICS, 10, 5, 1144-1146.

Ultrafast high-temperature sintering of potassium-sodium niobate: Processing and properties

Miranda, JL; Ribeiro, C; Tkach, A; Senos, AMOR; Vilarinho, PM
2024, JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 44, 15.
ISBN: 1873-619X

Flash sintering of tunable dielectric Ba0.6Sr0.4TiO3 electroceramics

Ribeiro, C; Tkach, A; Zorro, F; Ferreira, P; Costa, ME; Vilarinho, PM
2024, JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 44, 15.
ISBN: 1873-619X

Unveiling the electrical performance of flash-sintered potassium sodium niobate

Tkach, A; Serrazina, R; Pereira, L; Senos, AMOR; Vilarinho, PM
2024, JOURNAL OF MATERIALS CHEMISTRY C, 12, 41, 16958-16968.
ISBN: 2050-7534

Structure, Microstructure, and Dielectric Response of Polycrystalline Sr_1-xZn_xTiO₃ Thin Films

Okhay, O; Vilarinho, PM; Tkach, A
2023, COATINGS, 13, 1.

Current Achievements in Flexible Piezoelectric Nanogenerators Based on Barium Titanate

Okhay, O; Tkach, A
2023, NANOMATERIALS, 13, 6.

High-frequency dielectric properties of K1-xLixTaO3 ceramics compared to crystals

Nuzhnyy, D; Petzelt, J; Bovtun, V; Kempa, M; Repcek, D; Tkach, A; Vilarinho, PM; Kamba, S
2023, JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 43, 12, 5241-5247.

Strontium Titanate: Synthesis, Properties and Uses

Tkach, A; Vilarinho, PM
2019, New York, Nova Science Publishers, Inc.
ISBN: 978-1-53615-437-5

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

Metal Oxide Based Thermoelectric Materials

In Kumar, V., Ayoub, I., Sharma, V., Swart, H.C. (Eds.), Optical Properties of Metal Oxide Nanostructures
Okhay O.; Tkach A.
2023, Progress in Optical Science and Photonics, 26, 399-430, Springer.
ISBN: 978-981-99-5640-1

Antiferrodistortive phase transition in doped strontium titanate ceramics: the role of the perovskite lattice vacancies

In J. Clabel and V. Rivera (Eds.), Perovskite Ceramics
Alexander Tkach
2022, 77-98, Elsevier.
ISBN: 978-0-323-90586-2

Nonstoichiometry Role on the Properties of Quantum-Paraelectric Ceramics

In Tanasescu, S. (Eds.), Structure Processing Properties Relationships in Stoichiometric and Nonstoichiometric Oxides
Tkach, A; Vilarinho, PM
2020, London, IntechOpen.
ISBN: 978-1-78985-452-7

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

Sr/Ti ratio in strontium titanate ceramics: designing the microstructure, envisaging the properties

In Alexander Tkach and Paula Vilarinho (Eds.), Strontium Titanate: Synthesis, Properties and Uses
Amaral, L; Tkach, A; Vilarinho, PM; Senos, AMR
2019, 71-100, New York, Nova Science Publishers, Inc.
ISBN: 978-1-53615-437-5

Effect of bismuth doping on the properties of strontium titanate thin films

In Alexander Tkach and Paula Vilarinho (Eds.), Strontium Titanate: Synthesis, Properties and Uses
Okhay, O; Tkach, A; Vilarinho, PM
2019, 209-258, New York, Nova Science Publishers, Inc.
ISBN: 978-1-53615-437-5

Enhancement of thermoelectric performance in SrTiO3-based ceramics by processing conditions

In Alexander Tkach and Paula Vilarinho (Eds.), Strontium Titanate: Synthesis, Properties and Uses
Tkach, A; Resende, J; Diaz-Chao, P; Guilmeau, E; Costa, ME; Vilarinho, PM
2019, 297-322, New York, Nova Science Publishers, Inc.
ISBN: 978-1-53615-437-5

Functional Tantalum-based Oxides: From the Structure to the Applications

In Ashutosh Tiwari, Rosario A. Gerhardt andMagdalena Szutkowska (Eds.), Advanced Ceramic Materials
S. Zlotnik, A. Tkach, P. M. Vilarinho
2016, 337-283, John Wiley & Sons, Inc.
ISBN: 978-1-119-24244-4

Strontium Titanate: Synthesis, Properties and Uses

Tkach, A; Vilarinho, PM
2019, New York, Nova Science Publishers, Inc.
ISBN: 978-1-53615-437-5

Hydrothermal Synthesis of Barium Titanate Nanoparticles: The Effect of the Heating System

F. Sá, M. Silva, M. Ivanov, A. Tkach, P.M. Vilarinho, P. Ferreira
2022, Materials Proceedings, 14, 1-4.
ISBN: 978-1-6654-6831-2