Pyroelectric energy conversion with large energy and power density in relaxor ferroelectric thin films

S Pandya, J Wilbur, J Kim, R Gao, A Dasgupta… - Nature materials, 2018 - nature.com
The need for efficient energy utilization is driving research into ways to harvest ubiquitous
waste heat. Here, we explore pyroelectric energy conversion from low-grade thermal …

Pyroelectric and electrocaloric materials

X Li, SG Lu, XZ Chen, H Gu, X Qian… - Journal of Materials …, 2013 - pubs.rsc.org
Both the pyroelectric and electrocaloric effects originate from the cross-coupling between
polarization and temperature in insulating dielectrics. Although both effects have been …

Impact of critical point on piezoelectric and electrocaloric response in barium titanate

N Novak, R Pirc, Z Kutnjak - Physical Review B—Condensed Matter and …, 2013 - APS
The prediction that the piezoelectric tensor is diverging at the critical point is verified for
BaTiO 3 (BTO), which is the oldest perovskite structured ferroelectric material with an …

Field-Induced Enhancement of Pyroelectric Response of PbMg1/3Nb2/3O3-PbTiO3 and PbFe1/2Nb1/2O3-PbTiO3 Solid Solution Ceramics

YN Zakharov, SI Raevskaya, AG Lutokhin, VV Titov… - …, 2010 - Taylor & Francis
A dramatic influence of bias field on pyroelectric response was revealed for ceramics of (1-x)
Pb (Mg1/3Nb2/3) O3-xPbTiO3 with x= 0.075, 0.33 and 0.98 Pb (Fe1/2Nb1/2) O3–0.02 …

Nature of thermally stimulated acoustic emission from PbMg1/3Nb2/3O3–PbTiO3 solid solutions

E Dul'kin, E Mojaev, M Roth, IP Raevski… - Applied Physics …, 2009 - pubs.aip.org
We discuss the nature of the thermally stimulated acoustic emission (AE) in single crystals of
PbMg 1/3 Nb 2/3 O 3–PbTiO 3 (PMN-PT). In particular, we derive an expression describing …

Bias Field Effect on the Dielectric and Pyroelectric Response of Pb(Fe0.5Ta0.5)O3 Relaxor Multiferroic Ceramics

SI Raevskaya, VV Titov, IP Raevski, AG Lutokhin… - …, 2015 - Taylor & Francis
Dielectric and pyroelectric studies of PbFe0. 5Ta0. 5O3 ceramics have been carried out
under different bias field values. E, T-phase diagram has been constructed using these data …

Noncritical behavior in Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 relaxor ferroelectric crystals detected by acoustic emission method

E Dul'kin, S Kojima, M Roth - Ferroelectrics, 2023 - Taylor & Francis
oriented unpoled relaxor ferroelectric Pb (In1/2Nb1/2) O3-Pb (Mg1/3Nb2/3) O3-PbTiO3
crystals are studied by means of acoustic emission and dielectric methods in dependence …

Control of the degree of compositional ordering of Pb2YbMO6 (M – Nb, Ta) perovskites by means of mechanical activation

IP Raevski, AA Gusev, VP Isupov, SI Raevskaya… - …, 2018 - Taylor & Francis
It has been found out that compositional ordering degree of the Yb3+ and M5+ (M–Nb, Ta)
ions in Pb2YbМO6 ceramics and, correspondingly, both temperature and diffusion of …

Dielectric and pyroelectric properties of sodium niobate ceramics containing inclusions of ferroelectric Q phase

SI Raevskaya, MA Malitskaya, CC Chou… - … status solidi (a), 2019 - Wiley Online Library
For sodium niobate (NaNbO3) ceramics containing in the nonpoled state about 30% of the
ferroelectric Q phase, the temperature dependences of the dielectric constant ε and …

Bias Field Effect on the Dielectric and Pyroelectric Response of Single Crystal of Uniaxial Relaxor Sr0.75Ba0.25Nb2O6

SI Raevskaya, AG Lutokhin, AM Pugachev… - …, 2012 - Taylor & Francis
Dielectric and pyroelectric studies of lead-free uniaxial relaxor Sr0. 75Ba0. 25Nb2O6
(SBN75) single crystals have been carried out under different bias field values. E, T-phase …