Browsing by Author Tkach, Alexander

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Issue DateTitleAuthor(s)TypeAccess Type
2015Accessing the fundamentals of magnetotransport in metals with terahertz probesJin, Zuanming; Tkach, Alexander; Casper, Frederick; Spetter, Victor; Grimm, Hubert; Thomas, Andy; Kampfrath, Tobias; Bonn, Mischa; Klaeui, Mathias; Turchinovich, DmitryarticlerestrictedAccess
11-Nov-2022Antiferrodistortive phase transition in doped strontium titanate ceramics: the role of the perovskite lattice vacanciesTkach, AlexanderbookPartrestrictedAccess
2013Comment on \"The Origin of Magnetism in Mn-Doped SrTiO3\"Tkach, Alexander; Vilarinho, Paula M.; Kleemann, Wolfgang; Shvartsman, Vladimir V.; Borisov, Pavel; Bedanta, SubhankararticlerestrictedAccess
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
2015Defects and charge transport in Mn-doped K0.5Na0.5NbO3 ceramicsRafiq, Muhammad Asif; Tkach, Alexander; Costa, Maria Elisabete; Vilarinho, Paula MariaarticlerestrictedAccess
2022Design and Characterization of Novel Barium Strontium Titanate Thick Films for Sub-6 GHz RF ApplicationsBouca, Patricia; Figueiredo, Ricardo; Wlodarkiewicz, Anna; Tkach, Alexander; Matos, Joao Nuno; Vilarinho, Paula M.; de Carvalho, Nuno BorgesarticlerestrictedAccess
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
Sep-2022Elastic moduli of potassium sodium niobate ceramics: Impact of spark plasma texturingPinho, Rui; Tkach, Alexander; Carpenter, Michael A.; Noudem, Jacques; Costa, M. Elisabete; Vilarinho, Paula M.articlerestrictedAccess
2015Electric field modification of magnetotransport in Ni thin films on (011) PMN-PT piezosubstratesTkach, Alexander; Kehlberger, Andreas; Buettner, Felix; Jakob, Gerhard; Eisebitt, Stefan; Klaeui, MathiasarticleopenAccess
2015Electrical and Magnetic Properties of Graphene Films with Ni NanoparticlesOkhay, Olena; Guerra, Luis M.; Ventura, Joao; Tkach, Alexander; Klaeui, Mathias; Krishna, Rahul; Titus, ElbyarticlerestrictedAccess
23-Sep-2022Flash Sintered Potassium Sodium Niobate: High-Performance Piezoelectric Ceramics at Low Thermal Budget ProcessingSerrazina, Ricardo; Tkach, Alexander; Pereira, Luis; Senos, Ana M. O. R.; Vilarinho, Paula M.articleopenAccess
8-Jan-2022High Q Dielectric Titanium Tellurite Thick Films on Alumina Substrates for High Frequency TelecommunicationsSu, Xinming; Tkach, Alexander; Krupka, Jerzy; Vilarinho, Paula M.articleopenAccess
23-May-2023High-frequency dielectric properties of K1-xLixTaO3 ceramics compared to crystalsNuzhnyy, Dmitry; Petzelt, Jan; Bovtun, Viktor; Kempa, Martin; Repček, Dalibor; Tkach, Alexander; Vilarinho, Paula M.; Kamba, StanislavarticlerestrictedAccess
2015Impedance Analysis and Conduction Mechanisms of Lead Free Potassium Sodium Niobate (KNN) Single Crystals and Polycrystals: A Comparison StudyRafiq, Muhammad Asif; Costa, Maria Elisabete; Tkach, Alexander; Vilarinho, Paula MariaarticlerestrictedAccess
2015Impedance Analysis and Conduction Mechanisms of Lead Free Potassium Sodium Niobate (KNN) Single Crystals and Polycrystals: A Comparison StudyRafiq, Muhammad Asif; Costa, Maria Elisabete; Tkach, Alexander; Vilarinho, Paula MariaarticlerestrictedAccess
2015Low-temperature dielectric relaxations in Y-doped strontium titanate ceramicsTkach, Alexander; Vilarinho, Paula M.; Almeida, AbilioarticlerestrictedAccess
1-Feb-2022Low-Temperature Dielectric Response of Strontium Titanate Thin Films Manipulated by Zn DopingOkhay, Olena; Vilarinho, Paula M.; Tkach, AlexanderarticleopenAccess
Sep-2023Low-temperature solution processing route for potassium sodium niobate (KNN) thin filmsPinho, Rui; Bretos, Iñigo; Jimenez, Ricardo; Calzada, M. Lourdes; Hortigüela, María J.; Otero-Irurueta, Gonzalo; Ivanov, Maxim; Tkach, Alexander; Costa, M. Elisabete; Vilarinho, Paula M.articleembargoedAccess
2015Magnetoelectric properties of epitaxial Fe3O4 thin films on (011) PMN-PT piezosubstratesTkach, Alexander; Yazdi, Mehrdad Baghaie; Foerster, Michael; Buettner, Felix; Vafaee, Mehran; Fries, Maximilian; Klaeui, MathiasarticleopenAccess
24-Sep-2023Metal Oxide Based Thermoelectric MaterialsOkhay, Olena; Tkach, AlexanderbookPartrestrictedAccess