Results 61 to 70 of about 8,790 (190)

Spatially-resolved relaxor to ferroelectric phase switching in 0.93Na1/2Bi1/2TiO3-0.07BaTiO3 ceramics

Journal of Materiomics, 2022
In situ, spatially-resolved synchrotron X-ray diffraction was utilized to investigate the electric field-induced heterogenous phase transformation of nonergodic relaxor 0.93Na1/2Bi1/2TiO3-0.07BaTiO3 ceramics. A Cu electrode was coated on one surface of a
Xi Shi, Udo Eckstein, Yizhe Li, David Hall, Neamul H. Khansur   +4 more
doaj   +1 more source

Tetragonal tungsten bronze compounds: relaxor vs mixed ferroelectric - dipole glass behavior

, 2010
We demonstrate that recent experimental data (E. Castel et al J.Phys. Cond. Mat. {\bf 21} (2009), 452201) on tungsten bronze compound (TBC) Ba$_2$Pr$_x$Nd$_{1-x}$FeNb$_4$O$_{15}$ can be well explained in our model predicting a crossover from ...
Boatner L A, Castel E, de Almeida J R L, Fischer K H, Korenblit I Ya, Smolenskii G A, V A Stephanovich   +6 more
core   +1 more source

Anti-ferrodistortive Nanodomains in PMN Relaxor [PDF]

, 2003
Temperature dependent studies of the 1/2(hk0) superlattice reflections \alpha spots by synchrotron x-ray scattering measurements were performed in (PMN) and (PMN-xPT) with Ti doping ...
Chen, Haydn, Tkachuk, A.
core   +2 more sources

Realizing high low-electric-field energy storage performance in AgNbO3 ceramics by introducing relaxor behaviour

Journal of Materiomics, 2019
Both sustainable development in environment and safety of high-power systems require to develop a novel lead-free dielectric capacitor with high energy density (Wrec) at low applied electric field.
Kai Han, Nengneng Luo, Shuaifei Mao, Fangping Zhuo, Xiyong Chen, Laijun Liu, Changzheng Hu, Huanfu Zhou, Xinpeng Wang, Yuezhou Wei   +9 more
doaj   +1 more source

Revealing the role of the constant phase element in relaxor ferroelectrics

Communications Physics, 2022
Relaxor ferroelectrics are a type of material exhibiting electrostriction whereby a change in the material shape occurs under an applied electric field; however, although known by the community for many years the underlying mechanisms of the phenomenon ...
Xavier Vendrell, Julia Ramírez-González, Zuo-Guang Ye, Anthony R. West   +3 more
doaj   +1 more source

Direct electrocaloric measurement of 0.9Pb(Mg1/3Nb2/3)O3-0.1PbTiO3 films using scanning thermal microscopy [PDF]

, 2016
We show that scanning thermal microscopy can measure reversible electrocaloric (EC) effects in <40 μm-thick ceramic films of the relaxor ferroelectric 0.9Pb(Mg1/3Nb2/3)O3-0.1PbTiO3, with the substrate present.

core   +1 more source

Electrocaloric effects in the lead-free Ba(Zr,Ti)O$_{3}$ relaxor ferroelectric from atomistic simulations

, 2017
Atomistic effective Hamiltonian simulations are used to investigate electrocaloric (EC) effects in the lead-free Ba(Zr$_{0.5}$Ti$_{0.5}$)O$_{3}$ (BZT) relaxor ferroelectric.
Bellaiche, L., Defay, E., Jiang, Zhijun, Nahas, Y., Prokhorenko, Sergei, Prosandeev, Sergey, Wang, D., Íñiguez, J.   +7 more
core   +1 more source

Monoclinic phase in the relaxor-based piezo-/ ferroelectric Pb(Mg$_{1/3}$Nb$_{2/3})O_3$-PbTiO$_3$ system [PDF]

, 2001
A ferroelectric monoclinic phase of space group $Cm$ ($M_A$ type) has been discovered in 0.65Pb(Mg$_{1/3}$Nb$_{2/3})O_3$-0.35PbTiO$_3$ by means of high resolution synchrotron X-ray diffraction.
B. Noheda, B. Noheda, B. Noheda, B. Noheda, D. Cox, D. E. Cox, D. Vanderbilt, G. Shirane, G. Xu, J. Kuwata, K. Aizu, K. Harada, L. Bellaiche, L. Bellaiche, L. E. Cross, L. E. Cross, M. Dong, M. Dong, O. Noblanc, S.-E. Park, S.-E. Park, T. Kobayashi, T. R. Shrout, Y. Lu, Z.-G. Ye, Z.-G. Ye, Z.-G. Ye, Z.-G. Ye   +27 more
core   +4 more sources

Dielectric nonlinearity of relaxor ferroelectric ceramics at low ac drives

, 2000
Dielectric nonlinear response of (PbMg$_{1/3}$Nb$_{2/3}$O$_3$)$_{0.9}$(PbTiO$_3$)$_{0.1}$ (0.9PMN-0.1PT) relaxor ceramics was investigated under different ac drive voltages. It was observed that: (i) the dielectric permittivity is independent on ac field
Bing-Lin Gu, Bokov V A, Chen J, Colla E V, Cross L E, Glazounov A E, Glazounov A E, Gui H, Liu Xi, Newnham R E, Pan X Q, Randall C A, Shrout T R, Smolenski G A, Swartz S L, Tan Q, Uchino K, Xi Liu, Xiao-Wen Zhang, Zhi-Rong Liu   +19 more
core   +1 more source

Simultaneously achieving giant piezoelectricity and record coercive field enhancement in relaxor-based ferroelectric crystals

Nature Communications, 2022
High-drive electromechanical applications require ferroelectrics accounting for a large coercive field and high piezoelectricity simultaneously but it is still a challenge. Here, the authors demonstrate it in a relaxor-based ferroelectric crystal.
Liya Yang, Houbing Huang, Zengzhe Xi, Limei Zheng, Shiqi Xu, Gang Tian, Yuzhi Zhai, Feifei Guo, Lingping Kong, Yonggang Wang, Weiming Lü, Long Yuan, Minglei Zhao, Haiwu Zheng, Gang Liu   +14 more
doaj   +1 more source