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Update Data    atkach@ua.pt     Last update: 21/03/2022   Name: Oleksandr Surname:  Tkach Institution: University of Aveiro Type of Institution: University ORCID number: https://orcid.org/0000-0002-0318-9262 Google Scholar: https://scholar.google.com/citations?user=I5t9g6EAAAAJ&hl=en Publons: https://publons.com/researcher/1390005/alexander-t Research Gate: https://www.researchgate.net/profile/Alexander-Tka Country: Portugal WEB address: Campus de Santiago Working groups of interest - WG3 - Energy Keywords -  Energy -  Oxides Research field (Free keywords) high-k dielectrics; ferroelectrics; magnetoelectrics; oxide thermoelectrics; electroceramics Scientific expertise Dr. Tkach is a researcher of the University of Aveiro and CICECO – Aveiro Institute of Materials, Portugal. He graduated in Microelectronics and Semiconductor Devices by the National Technical University of Ukraine “Kyiv Polytechnic Institute” in 1999. In 2005 he got Ph.D. in Materials Science and Engineering from the University of Aveiro, Portugal. Capabilities Present research interests of Dr. Tkach include the development of giant permittivity dielectric oxides for energy storage; thermoelectric and piezoelecric oxide materials and composites for energy harvesting technologies; nanostructured magnetoelectrics for sensor and electronic applications; and alternative energy efficient concepts for current assisted ceramic sintering. Relevant publications (3 max.) “Strontium Titanate: Synthesis, Properties and Uses”, ed. by A. Tkach and P.M. Vilarinho, 2019, Nova Science Publishers, Inc., USA, 346 pages, ISBN: 978-1-53615-437-5 O. Okhay, S. Zlotnik, W. Xie, K. Orlinski, M.J. Hortiguela Gallo, G. Otero-Irurueta, A.J.S. Fernandes, D.A. Pawlak, A. Weidenkaff, A. Tkach*, Thermoelectric performance of Nb-doped SrTiO3 enhanced by reduced graphene oxide and Sr deficiency cooperation, Carbon Vol. 143 (2019), pp. 215-222 [DOI: 10.1016/j.carbon.2018.11.023] A. Tkach, J. Resende, K.V. Saravanan, M.E. Costa, P. Diaz Chao, E. Guilmeau, O. Okhay, P.M. Vilarinho, Abnormal grain growth as a method to enhance the thermoelectric performance of Nb-doped strontium titanate ceramics, ACS Sustain. Chem. Eng. Vol. 6 (2018), pp. 15988-15994 [DOI: 10.1021/acssuschemeng.8b03875] Projects (2 max.) 02/2014 – 01/2019, Portuguese FCT Independent Researcher Starting Grant IF/00602/2013/CP1162/CT0015 - Multifunctional all-oxide nanostructures for electronic applications, coordinator

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