Application of a Modified First-Order Plate Theory to Structural Analysis of Sensitive Elements in a Pyroelectric Detector [PDF]
MicromachinesPyroelectric materials, with piezoelectricity and pyroelectricity, have been widely used in infrared thermal detectors. In this paper, a modified first-order plate theory is extended to analyze a pyroelectric sensitive element structure. The displacement,
Mengmeng Lian +5 more
doaj +2 more sources
Beyond‐Classical Ferroelectric Metamaterials: 3D‐Printed Planar Lattices With Programmable Electro–Thermo–Mechanical Coupling [PDF]
Advanced Science, EarlyView.Planar ferroelectric lattices with rationally‐tailored topology and polarization achieve programmable piezoelectric and pyroelectric properties. Analytical modeling, homogenization, and experiments collectively demonstrate enhanced and tunable longitudinal, transverse, and shear piezoelectric responses, together with substantially improved ...
Jiahao Shi +6 more
wiley +2 more sources
A Soft, Flexible Implant for Wireless Photothermal–Pyroelectric Neurostimulation [PDF]
Advanced Science, EarlyView.A replication strategy is used to enlarge the exposed surface area of barium titanate within flexible films with embedded carbon nanotubes, enabling efficient photothermal‐pyroelectric stimulation. Polar crystalline nanosheets show superior performance in guiding neural progenitor cells toward neuronal differentiation.
Jiang Wu +7 more
wiley +2 more sources
Domain-Wall Enhanced Pyroelectricity
Physical Review XFerroelectric domain walls are not just static geometric boundaries between polarization domains; they are, in fact, dynamic and functional interfaces with the potential for diverse technological applications.
Ching-Che Lin +9 more
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Thermal-stress enhanced pyroelectricity in piezoelectric bimorphs [PDF]
Nature CommunicationsEnhancing pyroelectric performance is essential for advancing thermal sensing and energy-harvesting applications. This study presents an effective strategy to achieve highly enhanced pyroelectricity in a flexible polyvinylidene fluoride/mica bimorph ...
Ching-Min Su +17 more
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Distinguishing intrinsic and interfacial pyroelectric effects by polarization reversal measurements [PDF]
Nature CommunicationsPyroelectric devices hold promise for thermal energy harvesting and sensing. While previous studies have focused on the intrinsic pyroelectric response, they neglect the interfacial pyroelectric effect at the electrode-material interface, leading to an ...
Huiyu Dan +6 more
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Enhanced pyroelectric effect through product property and its applications [PDF]
, 2009 Pyroelectric materials have the ability to generate electrical response when they experience a thermal stimulus. This has lead to their deployment in applications such as Infra-Red detectors/sensors, energy harvesting, and ferroelectric electron ...
Chang, Harrison Hoon Seok
core +7 more sources
Microscopic theory of molecular crystal surface polarization, piezoelectricity, and pyroelectricity
, 1994 Nonpolar crystals must exhibit a surface polarization induced by the loss of bulk symmetry at the surface. For crystals of nonpolar molecules, the surface polarization is normally induced by incomplete cancellation of the electric fields of the molecular
R. W. Munn, Munn, R. W.
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The flexoelectric effect associated size dependent pyroelectricity in solid dielectrics
AIP Advances, 2015 A phenomenological thermodynamic theory is used to investigate the effect of strain gradient on the pyroelectric effect in centrosymmetric dielectric solids.
Gang Bai +5 more
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Transparent integrated pyroelectric-photovoltaic structure for photo-thermo hybrid power generation [PDF]
Nature CommunicationsThermal losses in photoelectric devices limit their energy conversion efficiency, and cyclic input of energy coupled with pyroelectricity can overcome this limit.
Malkeshkumar Patel +5 more
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