Oleksandr Tkach

Investigador Auxiliar

Projectos

Publicações

Quantitative analysis of magnetization reversal in Ni thin films on unpoled and poled (011) [PbMg1/3Nb2/3O3](0.68)-[PbTiO3](0.32) piezoelectric substrates

Tkach, A; Kehlberger, A; Buttner, F; Jakob, G; Eisebitt, S; Klaui, M
2016, JOURNAL OF PHYSICS D-APPLIED PHYSICS, 49, 33.

Resolving the Fundamentals of Magnetotransport in Metals with Ultrafast Terahertz Spectroscopy

Z. Jin, A. Tkach, F. Casper, V. Spetter, H. Grimm, A. Thomas, T. Kampfrath, M. Bonn, M. Kläui, D. Turchinovich,
2016, International Conference on Ultrafast Phenomena (UP) 2016 Optical Society of America Technical Digest .

Electric field modification of magnetotransport in Ni thin films on (011) PMN-PT piezosubstrates

Tkach, A; Kehlberger, A; Buttner, F; Jakob, G; Eisebitt, S; Klaui, M
2015, APPLIED PHYSICS LETTERS, 106, 6.

Accessing the fundamentals of magnetotransport in metals with terahertz probes

Jin, ZM; Tkach, A; Casper, F; Spetter, V; Grimm, H; Thomas, A; Kampfrath, T; Bonn, M; Klaui, M; Turchinovich, D
2015, NATURE PHYSICS, 11, 9, 761-766.

Drastic modification of graphene oxide properties by incorporation of nickel: a simple inorganic chemistry approach

Okhay, O; Krishna, R; Tkach, A; Klaui, M; Guerra, LM; Ventura, J; Titus, E; Gracio, JJA
2015, JOURNAL OF MATERIALS SCIENCE, 50, 9, 3425-3433.

Defects and charge transport in Mn-doped K0.5Na0.5NbO3 ceramics

Rafiq, MA; Tkach, A; Costa, ME; Vilarinho, PM
2015, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 17, 37, 24403-24411.

Magnetoelectric properties of epitaxial Fe3O4 thin films on (011) PMN-PT piezosubstrates

Tkach, A; Yazdi, MB; Foerster, M; Buttner, F; Vafaee, M; Fries, M; Klaui, M
2015, PHYSICAL REVIEW B, 91, 2.

Low-temperature dielectric relaxations in Y-doped strontium titanate ceramics

Tkach, A; Vilarinho, PM; Almeida, A
2015, JOURNAL OF PHYSICS D-APPLIED PHYSICS, 48, 8.

Impedance Analysis and Conduction Mechanisms of Lead Free Potassium Sodium Niobate (KNN) Single Crystals and Polycrystals: A Comparison Study

Rafiq, MA; Costa, ME; Tkach, A; Vilarinho, PM
2015, CRYSTAL GROWTH & DESIGN, 15, 3, 1289-1294.

Electrical and Magnetic Properties of Graphene Films with Ni Nanoparticles

Okhay, O; Guerra, LM; Ventura, J; Tkach, A; Klaui, M; Krishna, R; Titus, E
2015, MATERIALS TODAY-PROCEEDINGS, 2, 1, 383-388.

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

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

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