Reversibly Controlled Ternary Polar States and Ferroelectric Bias Promoted by Boosting Square‐Tensile‐Strain
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202205825
Abstract: Interaction between dipoles often emerges intriguing physical phenomena, such as exchange bias in the magnetic heterostructures and magnetoelectric effect in multiferroics, which lead to advances in multifunctional heterostructures. However, the defect‐dipole tends to be considered… read more here.
Keywords: square tensile; tensile strain; defect dipole; polar states ... See more keywords
Giant Electrostrain in Lead-free Textured Piezoceramics by Defect Dipole Design.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202300519
Abstract: By converting electrical signal into mechanical displacement, piezoelectric actuators are widely used in many applications due to their precise displacement, fast response and small size. The unipolar electrostrain values larger than 1% reported so far… read more here.
Keywords: lead free; free textured; defect dipole; piezoceramics defect ... See more keywords
Defect Dipole Induced Improved Electrocaloric Effect in Modified NBT-6BT Lead-Free Ceramics
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2022.163837
Abstract: The Rietveld refinement of the polycrystalline powders of 1% Fe and Mn-doped (Na0.5Bi0.5)0.94Ba0.06Ti0.98V0.02O3 at the Ti-site confirmed a single rhombohedral (R3c) phase. The bandgap, (Eg) was affected by the anti-phase octahedral tilt angle and the… read more here.
Keywords: defect dipole; induced improved; improved electrocaloric; due doping ... See more keywords
Defect-dipole defined nanoscale ferroelectric polar-orders induced in Barium Zirconate
Sign Up to like & getrecommendations! Published in 2017 at "Scripta Materialia"
DOI: 10.1016/j.scriptamat.2016.11.031
Abstract: Abstract Nanoscale ferroelectric behaviour has been investigated in epitaxial BaZrO3 thin films grown in an oxygen deficient environment. Though centrosymmetric in nature, prominent ferroelectric polar states were observed via Piezo Force Microscopy (PFM), with polarization… read more here.
Keywords: ferroelectric polar; microscopy; nanoscale ferroelectric; polar orders ... See more keywords
Rejuvenation of giant electrostrain in doped barium titanate single crystals
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DOI: 10.1063/5.0142103
Abstract: Engineering materials through the introduction of point defects has resulted in significant advances in semiconductor processing and, more recently, the observation of novel phenomena such as large reconfigurable strains in ferroelectrics as a result of… read more here.
Keywords: rejuvenation giant; doped barium; defect dipole; dipole ... See more keywords
Defect Dipole Behaviors on the Strain Performances of Bismuth Sodium Titanate-Based Lead-Free Piezoceramics
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16114008
Abstract: Bismuth sodium titanate (BNT)-based, lead-free piezoelectric materials have been extensively studied due to their excellent strain characteristics and environmental friendliness. In BNTs, the large strain (S) usually requires a relatively large electric field (E) excitation,… read more here.
Keywords: lead free; bismuth sodium; defect dipole; strain ... See more keywords