Supervisões em Curso
Projectos
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
gerador de energia titanato de bário sensor grafenoMultiferroicos e magnetoeléctricos para spintrónica: barreiras e interfaces (PTDC/CTM/099415/2008)
ParticipanteFundação para a Ciência e a Tecnologia
Multiferroic and magnetoelectric materials Heterostructures Spin transport TunnelingMultifunctional all-oxide heterostructures for electronic applications (IF/00602/2013/CP1162/CT0015)
CoordenadorFundação para a Ciência e a Tecnologia
Publicações
Long term durability of solid-state supercapacitor based on reduced graphene oxide aerogel and carbon nanotubes composite electrodes
Okhay, O; Tkach, A; Staiti, P; Lufrano, F
2020, ELECTROCHIMICA ACTA, 353.
ISBN:
1873-3859
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Spark plasma texturing: A strategy to enhance the electro-mechanical properties of lead-free potassium sodium niobate ceramics
Pinho, R; Tkach, A; Zlotnik, S; Costa, ME; Noudem, J; Reaney, IM; Vilarinho, PM
2020, APPLIED MATERIALS TODAY, 19.
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Energy storage of supercapacitor electrodes on carbon cloth enhanced by graphene oxide aerogel reducing conditions
Olena Okhay, Alexander Tkach, Maria J. Hortiguela Gallo, Gonzalo Otero-Irurueta, Sergey Mikhalev, Pietro Staiti, Francesco Lufrano
2020, JOURNAL OF ENERGY STORAGE, 32.
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SrTiO3-Glimpses of an Inexhaustible Source of Novel Solid State Phenomena
Wolfgang Kleemann , Jan Dec, Alexander Tkach, Paula M. Vilarinho
2020, CONDENSED MATTER, 5, 4.
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New Insights into the Effect of Nonstoichiometry on the Electric Response of Strontium Titanate Ceramics
Amaral, L; Tkach, A; Vilarinho, PM; Senos, AMR
2019, JOURNAL OF PHYSICAL CHEMISTRY C, 123, 1, 710-718.
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Effect of Solution Conditions on the Properties of Sol-Gel Derived Potassium Sodium Niobate Thin Films on Platinized Sapphire Substrates
Tkach, A; Santos, A; Zlotnik, S; Serrazina, R; Okhay, O; Bdikin, I; Costa, ME; Vilarinho, PM
2019, NANOMATERIALS, 9, 11.
ISBN:
2079-4991
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Thermoelectric performance of Nb-doped SrTiO3 enhanced by reduced graphene oxide and Sr deficiency cooperation
Okhay, O; Zlotnik, S; Xie, WJ; Orlinski, K; Gallo, MJH; Otero-Irurueta, G; Fernandes, AJS; Pawlak, DA; Weidenkaff, A; Tkach, A
2019, CARBON, 143, 215-222.
ISBN:
1873-3891
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Tuning electrical and thermoelectric properties of freestanding graphene oxide papers by carbon nanotubes and heat treatment
Okhay, O; Goncalves, G; Dias, C; Ventura, J; Vieira, EMF; Goncalves, LMV; Tkach, A
2019, JOURNAL OF ALLOYS AND COMPOUNDS, 781, 196-200.
ISBN:
1873-4669
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Enhancement of the dielectric permittivity and magnetic properties of Dy substituted strontium titanate ceramics
Tkach, A; Amaral, JS; Zlotnik, S; Amaral, VS; Vilarinho, PM
2018, JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 38, 2, 605-611.
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Mechanical strain engineering of dielectric tunability in polycrystalline SrTiO3 thin films
Tkach, A; Okhay, O; Reaney, IM; Vilarinho, PM
2018, JOURNAL OF MATERIALS CHEMISTRY C, 6, 10, 2467-2475.
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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
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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
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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
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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
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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
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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
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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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