the Third World Academy of Sciences(RG/PHYS/LA No.99-050,02-225 and 05-043);support and ICTP for financial support of Latin-American Network of Ferroelectric Materials(NT-02);the National Program for Nanoscience and Nanotechnology of Cuba(Project No.PN211LH008-035);the National Program for Basic Sciences of Cuba(Project No.PN223LH010-023).
(Pb_(0.8)Ba_(0.2))[(Zn_(1/3)Nb_(2/3))_(0.7)Ti_(0.3)]O_(3)relaxor-type ferroelectric ceramics was obtained via classical solid-state reaction.The hysteresis loop results were discussed in the frame of ergodicity criter...
This work was financially supported by the Russian Federal Government,state assignments#0040-2019-0019 and#0040-2019-0031。
A comprehensive study and detailed analysis of pyroelectric and electrocaloric effects in relaxor ferroelectrics based on lead magnesium niobate as a promising object for such investigations have been carried out.It w...
The novel lead-free ferroelectric relaxor system x(Bi(Zn_(2/3) Nb_(1/3))O_(3))(1−x)BaTiO3(xBZN(1−x)BT)has received interest as a high-capacity relaxor dielectric material.Small quantities(<10.0 mol.%)of BZN-based dopa...
the financial support by the Basic Science Research Program through the National Research Foundation of Korea(NRF)funded by the Ministry of Education(NRF-2018R1D1A1B07051176);the financial support by the National Science Foundation(NSF)through Grant DMR-1700014;the financial support from the ARC Discovery Project Scheme.
Among the unresolved issues in the study of relaxor ferroelectrics is the role of freezing temperature,across which the dynamics of polarization reversal in relaxor ferroelectrics changes.The presence of this freezing...
supported by International Science&Technology Cooperation Program of China(Grants#2014DFR51240 and#2013DFR50470).
The temperature dependence of the specific heat of the single crystal Pb(In_(0.5)Nb_(0.5))O_(3)-Pb(Mg_(1/3)Nb_(2/3))O_(3)-PbTiO_(3)(PIN-PMN-PT)was obtained at 80–500 K by means of ac-calorimetry,and comparison with t...
The author wishes to thank to the Third World Academy of Sciences(RG/PHYS/LA No.99-050,02-225 and 05-043)for financial support and to ICTP for financial support of LatinAmerican Network of Ferroelectric Materials(NET-43).
The electrocaloric effect(ECE)is studied in(Pb_(0.8)Ba_(0.2))[(Zn_(1/3)Nb_(2/3))_(0.7)Ti_(0.3)]O_(3) relaxor ferroelectric ceramic by using an“indirect method”.The electric dependence for the polarization(hysteresis...
The authors wish to express their thanks to the Third World Academy of Sciences(RG/PHYS/LA Nos.99-050,02-225 and 05-043);to ICTP,Trieste,Italy,for the financial support of Latin-American Network of Ferroelectric Materials(NET-43).Thanks to CNPq and FAPEMIG agencies from Brazil.APB acknowledges to the Conseil Regional Languedoc-Roussillon for her invitation to the University of Nîmes,France.Thanks to the Embassy of France in Havana,Cuba,for financial support for the scientific cooperation between the University of Nîmes and the Havana University。
A lead-free relaxor ferroelectric,Sr_(0.15)Ba_(0.85)Bi_(2)Nb_(2)O_(9),was synthesized via solid-state reaction and the temperature-dependence of the heat capacity was measured in a wide temperature range.The dielectri...
supported by the Czech Science Foundation(Projects CSF 15-04121S and 15-15123S);the United Stated Office of Naval Research(Grant No.N00014-12-1-1045);the Natural Science&Engineering Research Council of Canada(NSERC).
This paper describes a detailed analysis of the dependence of Raman scattering intensity on the polarization of the incident and inelastically scattered light in PbSc_(0.5)Nb_(0.5)O_(3)(PSN)single crystals and epitaxi...
We report the glassy behavior of dysprosium doped barium zirconium titanate single phase perovskite ceramics with general formula Ba_(1-x)Dy_(2x/3)Zr_(0.25)Ti_(0.75)O_(3)prepared by solid-state reaction method.Tempera...
Ferroelectric ceramics are important materials with a wide range of industrial and commercial applications.Since the discovery of the phenomenon of ferroelectricity,they have been the heart and soul of several multibi...