Search Results - "KALVANE, A."

Electric relaxation and Mn3+/Mn4+ charge transfer in Fe-doped Bi12MnO20–BiMn2O5 structural self-composite by Leonarska, A., Kądziołka-Gaweł, M., Szeremeta, A. Z., Bujakiewicz-Korońska, R., Kalvane, A., Molak, A.

“…Fe-doped Bi 12 MnO 20 –BiMn 2 O 5 ceramics was sintered at 1130 K for 6 h in ambient air. Two centro-symmetric phases formed thermodynamically stable…”
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Thermal expansion and polarization of (1-x)PNN-xPT solid solutions by Gorev, M. V., Flerov, I. N., Bormanis, K., Kalvane, A.

“…The paper presents the results of detailed studies of the thermal expansion of (1-x)PbNi 1/3 Nb 2/3 O 3 -xPbTiO 3 solid solutions with x = 0-0.8. The anomalous…”
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Structural, magnetic, dielectric and mechanical properties of (Ba,Sr)MnO3 ceramics by Bujakiewicz-Koronska, R., Nalecz, D.M., Majcher, A.M., Juszynska-Galazka, E., Galazka, M., Vasylechko, L., Markiewicz, E., Majda, D., Kalvane, A., Koronski, K.

“…Ceramic samples, produced by conventional sintering method in ambient air, 6H-SrMnO3 (6H-SMO), 15R-BaMnO3 (15R-BMO), 4H-Ba0.5Sr0.5MnO3 (4H-BSMO) were studied…”
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Dielectric and acoustic properties of modified barium titanate ceramics by Bormanis, K., Kalvane, A., Burkhanov, A. I., Eglite, L., Dikov, R. V.

“…A study of cobalt doping effect on the dielectric response and elastic properties of Ba 0.95 Pb 0.05 TiO 3 solid solution within the range of 20-200 °C is…”
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Processes of Low-Frequency and Infra-Low-Frequency Polarization in Ferroelectric Ceramics (1 – x)Ba0.95Pb0.05TiO3 + xCo2O3 by Burkhanov, A. I., Dikov, R. V., Bormanis, K., Kalvane, A.

“…The processes of low-frequency and infra-low-frequency polarization in solid solutions (1 ‒  х ) Ba 0.95 Pb 0.05 TiO 3 + х Со 2 О 3 ( x = 0; 0.1; 0.3; 0.5; 1;…”
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Dielectric properties and ac conductivities of Bi1−xSmxFeO3 ceramics by Sadykov, S. A., Kallaev, S. N., Alikhanov, N. M.-R., Bormanis, K., Kalvane, A.

“…Dielectric permittivity, dielectric losses and ac-conductivity of polycrystalline Bi 1− x Sm x FeO 3 (x = 0; 0.05; 0.1; 0.15; 0.2) are measured in the…”
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Effect of Cu doping on Ba0.95Pb0.05TiO3 electrical properties studied by means of electrical impedance spectroscopy by Sitko, D., Dziubaniuk, M., Suchanicz, J., Kluczewska, K., Konieczny, K., Kalvane, A., Nowakowska-Malczyk, M.

“…The ceramics of 0.95BaTiO 3 -0.05PbTiO 3 +Xwt.%CuO (X = 0.05, 0.1, 1, 3) were prepared by a solid phase reaction. The structural and morphology studies were…”
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X-ray and dielectric characterization of Co doped tetragonal BaTiO3 ceramics by Bujakiewicz-Koronska, R., Vasylechko, L., Markiewicz, E., Nalecz, D.M., Kalvane, A.

“…The crystal structure modifications of BaTiO 3 induced by cobalt doping were studied. The polycrystalline (1 − x)BaTiO 3 + xCo 2 O 3 samples, with x ≤ 10 wt.%,…”
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Study of the Dielectric Properties of Europium Doped Barium Titanate Ceramics by an Impedance Spectroscopy by Sitko, D., Bąk, W., Garbarz-Glos, B., Kulińska, A., Antonova, M., Kalvane, A., Śmiga, W.

“…The barium titanate (BaTiO 3 ) and the BaTiO 3 + 0.1wt.% Eu 2 O 3 ceramics were prepared by a conventional ceramic method. The structural studies were carried…”
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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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Dielectric Nonlinearity and the Velocity of Ultrasonics in the Region of the Structural Phase Transition in (K0.5Na0.5)(Nb1 – xTax)O3 Ceramics by Burkhanov, A. I., Bormanis, K., Semibratov, V. O., Sopit, A. V., Sternberg, A., Antonova, M., Kalvane, A.

“…Properties of the dielectric response of (K 0.5 Na 0.5 )(Nb 1 – x Ta x )O 3 + 0.5 mol % MnO 2 (KNN- x Ta) ferroelectric ceramics at temperatures including that…”
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Microstructure, calorimetric and dielectric investigation of hafnium doped barium titanate ceramics by Garbarz-Glos, B., Bąk, W., Molak, A., Kalvane, A.

“…Ferroelectric properties of BaTi 1− x Hf x O 3 ceramics with Hf content x = 0, 0.001, and 0.025 were examined. It was found that the substitution of Hf 4+ for…”
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Electrocaloric Effect in Some Perovskite Ferroelectric Ceramics and Multilayer Capacitors by Shebanovs, L., Borman, K., Lawless, W. N., Kalvane, A.

“…Electrocaloric effect (ECE) of pure and modified PbSc 1/2 Ta 1/2 O 3 (PST) and its solid solutions and PbMg 1/3 Nb 2/3 O 3 - PbTiO 3 ferroelectric ceramics is…”
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Dielectric and Ultrasonic Investigation of Phase Transitions in PbFe1/2Nb1/2O3 Ceramics by Kinka, M., Samulionis, V., Banys, J., Kalvane, A., Bormanis, K.

“…We have investigated dielectric and acoustic properties of PbFe 1/2 Nb 1/2 O 3 ceramics, obtained by conventional ceramic technology, in 120-450 K temperature…”
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Relaxation of Polarization at the Broad Phase Transition in Modified PMN Ferroelectric Ceramics by Bormanis, K., Burkhanov, A. I., Tumanov, I. E., Mednikov, S. V., Nhan, Luu Thi, Kalvane, A., Antonova, M.

“…The reported study is focused on effects of relaxation of polarization within the range of the broad phase transition at strong sinusoidal measuring fields in…”
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Synthesis and dielectric properties of modified potassium sodium niobate solid solutions by Smeltere, I., Antonova, M., Kalvane, A., Bormanis, K., Livinsh, M.

“…In the present work processing microstructure and dielectric properties of lead free KNN based ceramics have been studied. Compositions with a stoichiometric…”
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Heat Capacity and Dielectric Properties of the PNN-PT Ferroelectric Ceramics by Bormanis, K., Kallaev, S. N., Omarov, Z. V., Bilalov, A. R., Kalvane, A.

“…A study of dielectric permittivity and heat capacity of the (1-х)PbNi 1/3 Nb 2/3 O 3 - хPbTiO 3 solid solution system (x = 0.3, 0.4, 0.5) within the 290-700 K…”
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Elastic Properties of Barium Zirconate Titanate Ceramics by Garbarz-Glos, B., Bormanis, K., Kalvane, A., Jankowska-Sumara, I., Budziak, A., Suchanicz, W., Śmiga, W.

“…In the paper the influence of zirconium admixture on the structure and material constants of polycrystalline ferroelectric materials BaZr x Ti 1-x O 3 (BZT)…”
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The Effect of Bias Field on Dielectric Response in Lead Ferrotantalate Ceramics by Bormanis, K., Burkhanov, A. I., Vaingolts, A. I., Kalvane, A.

“…Studies of dielectric properties of PbFe 1/2 Ta 1/2 O 3 ceramics at low- and infra-low-frequencies under bias field over a wide range of temperatures are…”
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Relaxor Properties of Barium-Strontium Niobate Ceramics by Bormanis, K., Burkhanov, A. I., Mednikov, S. V., Nhan, Luu Thi, Kalvane, A., Antonova, M.

“…Dielectric properties of Sr 0.75 Ba 0.25 Nb 2 O 6 (SBN-75) ceramics in the range of low and infra-low frequencies are reported. The values of ϵ′ and, in…”
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