Results 71 to 80 of about 4,429 (294)

Discontinuous domain wall motion in the relaxor ferroelectric Sr0.61Ba0.39Nb2O6

, 2004
The relaxor ferroelectric strontium-barium-niobate is characterized by internal random electric fields at the origin of its relaxor behavior. The electric poling cycle induces an irreversible transition into a ferroelectric state accompanied by a large ...
Granzow, Torsten, Lupascu, Doru C., Woike, Theo   +2 more
core   +2 more sources

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

Pulsed laser deposition of relaxor ferroelectric films

, 1998
Heterostructures of perovskite relaxor ferroelectric (RFE) thin films onto La0.5Sr0.5CoO3, bottom electrode layers were grown by pulsed laser deposition on MgO(100) crystal substrates.
M. Kundzinsh, I. Shorubalko, A. Sternberg, S. Leppavuori, J. Levoska, M. Tyunina, V. Zauls   +6 more
core   +1 more source

The Global and Local Symmetries of Nanostructured Ferroelectric Relaxor 0.94(Bi0.5Na0.5)TiO3 – 0.06BaTiO3 [PDF]

, 2013
Novel submicrometer-grained 0.94(Bi0.5Na0.5)TiO3 – 0.06 BaTiO3 ceramic, prepared from nanopowder by a combination of hot-pressing and recrystallization, is investigated by high-resolution synchrotron x-ray diffraction and x-ray absorption near-edge ...
MARIA ELENA MONTERO CABRERA, LUIS EDMUNDO FUENTES COBAS, MARIA ELENA FUENTES MONTERO   +2 more
core   +1 more source

Flexoelectrically Induced Polar Topology in Twisted SrTiO3 Membranes

Advanced Materials, EarlyView.
Twisted SrTiO3 bilayers host polar vortices of flexoelectric origin, revealed through combined experiment and theory. By reconstructing polarization from the toroidal moment of strain gradients, the work establishes a 3D chiral state with broken inversion and mirror symmetries.
Isabel Tenreiro, Hugo Aramberri, Víctor Rouco, Gabriel Sánchez‐Santolino, Mariona Cabero, Fernando Gallego, David Sánchez‐Manzano, José M. González‐Calbet, Federico Mompeán, Mar García‐Hernández, Alberto Rivera‐Calzada, Jorge Íñiguez‐González, Carlos León, Jacobo Santamaría   +13 more
wiley   +1 more source

Fabrication and characterization of relaxor ferroelectric material

, 2009
Fabrication of environmental friendly relaxor ferroelectric material without the presence of lead has attracted great number of research interests due to its high dielectric constants, electromechanical coupling factor and it potential application on ...
Lin, Aylwin Kui An.
core   +1 more source

Coexistence of ferroelectric and relaxor states in Ba2PrxNd1-xFeNb4O15

, 2012
We have investigated the dielectric response of Ba2PrxNd1-xFeNb4O15 ceramics (x = 0, 0.2, 0.5, 0.6, 0.8, 1) in the frequency range from 20 Hz to 1 GHz.
KINKA, Martynas, SAMULIONIS, Vytautas, JOSSE, Michaël, BAGDZEVICIUS, Sarunas, GRIGALAITIS, Robertas, CASTEL, Elias, MAGLIONE, Mario, BANYS, Juras   +7 more
core   +1 more source

Relaxor ferroelectric behavior in Ca-doped TbMnO3 [PDF]

, 2008
We have studied the effect of Ca-doping in single-crystal Tb1−xCaxMnO3(x≤0.1) on the crystal and magnetic structure, magnetocapacitance, and electric polarization.
Palstra, T.T.M.,, Blake, G. R.; id_orcid, Mufti, N.,, Blake, G. R., Blake, G.R.,, Nugroho, A. A., Palstra, T. T. M., Nugroho, A.A.,, Mufti, N.   +8 more
core   +1 more source

Polymorph‐Specific Electronic Transduction in WO3 during Molecular Sensing

Advanced Materials, EarlyView.
Metal‐oxide polymorphs with similar surface chemistry can nevertheless exhibit distinct sensing properties. In γ‐ and ε‐WO3, analyte adsorption appears comparable; yet, only ε‐WO3 induces a pronounced lattice electronic perturbation that accommodates charge in sub‐conduction band minimum states.
Matteo D'Andria, Meng Yin, Stefan Neuhauser, Vlasis G. Mavrantzas, Ying Chen, Ken Suzuki, Andreas T. Güntner   +6 more
wiley   +1 more source

Debye’s temperature and heat capacity for Sr0.15Ba0.85Bi2Nb2O9 relaxor ferroelectric ceramic [PDF]

Journal of Advanced Dielectrics, 2016
A lead-free relaxor ferroelectric, Sr0.15Ba0.85Bi2Nb2O9, was synthesized via solid-state reaction and the temperature-dependence of the heat capacity was measured in a wide temperature range.
A. Peláiz-Barranco, Y. González-Abreu, P. Saint-Grégoire, J. D. S. Guerra, F. Calderón-Piñar   +4 more
doaj   +1 more source