Search Results - "Bovtun, V"

Enhancement of microwave fields in pulse EPR of quantum paraelectrics by Laguta, V., Bovtun, V., Kempa, M., Laguta, O., Neugebauer, P., Šimėnas, M., Banys, J., Kamba, S.

“…The pulse electron paramagnetic resonance (EPR) is widely used in different branches of material and life sciences, including promising applications in quantum…”
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Soft mode driven local ferroelectric transition in lead-based relaxors by Nuzhnyy, D., Petzelt, J., Bovtun, V., Kamba, S., Hlinka, J.

“…Recently, we have analyzed the complex infrared (IR) and terahertz (THz) response of the relaxor ferroelectric Pb(Mg1/3Nb2/3)O3 (PMN) and suggested a new…”
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Origin of the colossal permittivity of (Nb + In) co-doped rutile ceramics by wide-range dielectric spectroscopy by Petzelt, J., Nuzhnyy, D., Bovtun, V., Crandles, D. A.

“…Searching for giant dipolar defects, suggested as the explanation of the colossal permittivity (CP) in (Nb + In) co-doped rutile, we have recently published…”
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Dielectric relaxation in epitaxial films of paraelectric-magnetic SrTiO3-SrMnO3 solid solution by Savinov, M., Bovtun, V., Tereshina-Chitrova, E., Stupakov, A., Dejneka, A., Tyunina, M.

“…Magneto-dielectric properties of (A2+)MnO3-type perovskites are attractive for applications and stimulate extensive studies of these materials. Here, the…”
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Fast polarization mechanisms in the uniaxial tungsten-bronze relaxor strontium barium niobate SBN-81 by Buixaderas, E., Kadlec, C., Kempa, M., Bovtun, V., Savinov, M., Bednyakov, P., Hlinka, J., Dec, J.

“…The high-frequency dielectric response of the uniaxial strontium barium niobate crystals with 81% of Sr has been studied from 1 kHz to 30 THz along the polar c…”
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Love-wave devices with continuous and discrete nanocrystalline diamond coating for biosensing applications by Drbohlavová, L., Fekete, L., Bovtun, V., Kempa, M., Taylor, A., Liu, Y., Bou Matar, O., Talbi, A., Mortet, V.

“…[Display omitted] •Love-wave surface acoustic wave devices were successfully coated by nano-crystalline diamond layers grown at low temperature.•Coalesced…”
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A mixing formula accounting for inversion of matrix structure by Starostenko, S. N., Rozanov, K. N., Bovtun, V., Shiryaev, A. O.

“…Known mixing models are analyzed with the aim to retrieve permeability of metal inclusions from the measured constitutive parameters of a binary composite. The…”
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Interfaced conducting polymers by Stejskal, J., Bober, P., Trchová, M., Nuzhnyy, D., Bovtun, V., Savinov, M., Petzelt, J., Prokeš, J.

“…•Polyaniline, polypyrrole and poly(p-phenylenediamine) have been synthesized.•They were used as templates for the coating with the same or another…”
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Microwave absorbing and shielding properties of inhomogeneous conductors and high-loss dielectrics by Bovtun, V., Kempa, M., Nuzhnyy, D., Petzelt, J., Borisova, O., Machulianskyi, O., Yakymenko, Y.

“…Microwave dielectric spectra of the relaxor ferroelectric PbMg 1/3 Nb 2/3 O 3 single crystals, (Nb + In) co-doped rutile ceramics, inhomogeneous conducting…”
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Composition dependent microwave properties of dielectric-conductor nanocomposites by Bovtun, V., Kempa, M., Nuzhnyy, D., Petzelt, J., Borisova, O., Machulianskyi, O., Yakymenko, Y.

“…Broadband dielectric spectra of dielectric-conductor nanocomposites of poly(ethylene terephthalate) with multiwalled carbon nanotubes (PET-xCNT) were used for…”
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Broad-band dielectric response of PbMg1/3Nb2/3O3 relaxor ferroelectrics : Single crystals, ceramics and thin films by BOVTUN, V, VELJKO, S, KAMBA, S, PETZELT, J, VAKHRUSHEV, S, YAKYMENKO, Y, BRINKMAN, K, SETTER, N

“…The dielectric response of relaxor PbMg1/3Nb2/3O3 (PMN) single crystals, ceramics (standard and textured) and thin films (thickness 500 nm, sapphire substrate)…”
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Soft mode behavior in SrTiO3/DyScO3 thin films: Evidence of ferroelectric and antiferrodistortive phase transitions by Nuzhnyy, D., Petzelt, J., Kamba, S., Kužel, P., Kadlec, C., Bovtun, V., Kempa, M., Schubert, J., Brooks, C. M., Schlom, D. G.

“…Infrared reflectance, terahertz transmittance, and microwave resonance measurements show that SrTiO3 films, strained by ∼1% in biaxial tension by growing them…”
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Ferroelectret non-contact ultrasonic transducers by BOVTUN, V, DORING, J, BARTUSCH, J, BECK, U, ERHARD, A, YAKYMENKO, Y

“…Dielectric and electromechanical properties of the cellular polypropylene ferroelectret films (EMFIT), combining strong piezoelectric response with a low…”
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Broad-band dielectric response of 0.5Ba(Ti0.8Zr0.2)O3-0.5(Ba0.7Ca0.3)TiO3 piezoceramics: soft and central mode behaviour by Kamba, S., Simon, E., Skoromets, V., Bovtun, V., Kempa, M., Pokorný, J., Savinov, M., Koruza, J., Malič, B.

“…Dielectric properties of 0.5Ba(Ti 0.8 Zr 0.2 )O 3 -0.5(Ba 0.7 Ca 0.3 )TiO 3 ceramics were probed in the frequency range from 10 Hz to 100 THz in a broad…”
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Raman spectra and anomalies of dielectric properties and thermal expansion of lead-free (1−x)Na0.5Bi0.5TiO3-xSrTiO3 (x = 0, 0.08 and 0.1) ceramics by Dutkiewicz, E.M., Suchanicz, J., Bovtun, V., Konieczny, K., Czaja, P., Kluczewska, K., Handke, B., Antonova, M., Sternberg, A.

“…Thermal expansion, Raman and dielectric properties of the lead-free (1−x)Na 0.5 Bi 0.5 TiO 3 -xSrTiO 3 (x = 0, 0.08 and 0.1) ceramic solid solutions,…”
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Dielectric, thermal and Raman spectroscopy studies of lead-free (Na0.5Bi0.5)1−xSrxTiO3 (x = 0, 0.04 and 0.06) ceramics by Suchanicz, J., Bovtun, V., Dutkiewicz, E.M., Konieczny, K., Sitko, D., Kluczewska, K., Wajda, A., Kalvane, A., Sternberg, A.

“…Lead-free (Na 0.5 Bi 0.5 ) 1 − x Sr x TiO 3 (x = 0, 0.04 and 0.06) ceramics with relative densities above 97% were prepared by solid-state synthesis process…”
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Broadband dielectric spectroscopy of standard and core-shell BaTiO3-NiO ceramic composites compared to the BaTiO3 ceramics by Nuzhnyy, D., Petzelt, J., Bovtun, V., Ostapchuk, T., Savinov, M., Kempa, M., Bednyakov, P., Fernández-Garciá, L., Rodriguez-Suarez, T., Menendéz, J. L.

“…Using spark plasma sintering we have processed and studied two ceramic composites of 70 vol% BaTiO 3 (BTO) and 30 vol% NiO with different topologies: standard…”
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STRUCTURE AND DIELECTRIC PROPERTIES OF NANOCOMPOSITES: OPAL MATRIX - TITANIUM OXIDE AND RARE-EARTH TITANATES by M. I. Samoylovich, А. F. Belyanin, A. S. Bagdasaryan, V. Bovtun

“…The conditions for the formation of nanocomposites based on the basis of lattice packings SiO2 nanospheres (opal matrices) with included clusters of…”
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Comparison of microwave dielectric behavior between Bi1.5Zn0.92Nb1.5O6.92 and Bi1.5ZnNb1.5O7 by WU, M.-C, KAMBA, S, BOVTUN, V, SU, W.-F

“…The microwave dielectric, Bi1.5ZnNb1.5O7, exhibits low-temperature dielectric relaxation. To find the origin of the dielectric relaxation of Bi1.5ZnNb1.5O7,…”
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Complex permittivity measurements of ferroelectrics employing composite dielectric resonator technique by Krupka, J., Zychowicz, T., Bovtun, V., Veljko, S.

“…Composite cylindrical TE 0n1 mode dielectric resonator has been used for the complex permittivity measurements of ferroelectrics at frequency about 8.8 GHz…”
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