Lead‐free relaxor ferroelectrics

VV Shvartsman, DC Lupascu - Journal of the American …, 2012 - Wiley Online Library
Feature size is a natural determinant of material properties. Its design offers the
technological perspectives for material improvement. Grain size, crystallite size, domain …

Theory of relaxor-ferroelectricity

LL Zhang, YN Huang - Scientific Reports, 2020 - nature.com
Relaxor-ferroelectrics are fascinating and useful materials, but the mechanism of relaxor-
ferroelectricity has been puzzling the scientific community for more than 65 years. Here, a …

Ferroelectric nanodomains in the uniaxial relaxor system

P Lehnen, W Kleemann, T Woike, R Pankrath - Physical review B, 2001 - APS
The domain morphology of the disordered relaxor ferroelectric strontium barium niobate
doped with cerium, Sr 0.61− x Ba 0.39 Nb 2 O 6: C ex 3+, has been investigated by …

Infrared and dielectric spectroscopy of the relaxor ferroelectric Sr0. 61Ba0. 39Nb2O6

E Buixaderas, M Savinov, M Kempa… - Journal of Physics …, 2005 - iopscience.iop.org
The dielectric response of strontium barium niobate with 61% Sr has been studied from kHz
to THz frequencies by means of several techniques (IR and time domain THz spectroscopy …

Composition dependence of the phase transition temperature in SrxBa1−xNb2O6

C David, T Granzow, A Tunyagi… - … status solidi (a), 2004 - Wiley Online Library
The temperature dependence of the spontaneous polarization in strontium–barium–niobate
single crystals with varying Sr/Ba ratio is presented. The temperature of the relaxor phase …

Influence of pinning effects on the ferroelectric hysteresis in cerium-doped

T Granzow, U Dörfler, T Woike, M Wöhlecke… - Physical Review B, 2001 - APS
The temporal behavior of ferroelectric domains under external electric field is investigated in
cerium-doped strontium-barium-niobate crystals using quasistatic surface-charge detection …

Central peaks and Brillouin scattering in uniaxial relaxor single crystals of

FM Jiang, JH Ko, S Kojima - Physical Review B, 2002 - APS
The high-frequency dynamics of Sr 0.61 Ba 0.39 Nb 2 O 6 are studied using the micro-
Brillouin scattering technique to elucidate the uniaxial relaxor behavior. It is found that broad …

Low-temperature transverse dielectric and pyroelectric anomalies of uniaxial tungsten bronze crystals

JH Ko, S Kojima, SG Lushnikov, RS Katiyar… - Journal of Applied …, 2002 - pubs.aip.org
Low-temperature dielectric and pyroelectric properties were investigated for filled and
unfilled tungsten bronze (TB) crystals, ie,(Sr 0.61 Ba 0.39) 5 Nb 10 O 30,(K 0.5 Na 0.5) 1.0 …

Dielectric maximum temperature non-monotonic behavior in unaxial Sr0. 75Ba0. 25Nb2O6 relaxor seen via acoustic emission

E Dul'kin, S Kojima, M Roth - Journal of Applied Physics, 2011 - pubs.aip.org
[100] oriented Sr 0.75 Ba 0.25 Nb 2 O 6 relaxor crystals have been studied by means of
acoustic emission (AE) over a wide 20–400 C temperature range. Both the Burns …

Effect of cerium addition on the microstructure, electrical and relaxor behavior of Sr0. 5Ba0. 5Nb2O6 ceramics

TS Velayutham, NIF Salim, WC Gan… - Journal of Alloys and …, 2016 - Elsevier
Abstract Sr 0.5 Ba 0.5 Nb 2 O 6 (SBN50) ceramic doped with different concentrations of
Cerium (Ce) according to the stoichiometry formulation of Sr 0.5-3y/2 Ba 0.5 Ce y Nb 2 O 6 …