Does a Morphotropic Phase Boundary Exist in Zr x Hf 1‐x O 2 ‐Based Thin Films?
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202522802
Abstract: Zr x Hf 1‐x O 2 ‐based materials have attracted considerable interest due to their excellent scalability and compatibility with complementary metal‐oxide‐semiconductor technology. Following the discovery of ferroelectricity in these materials, it has opened new… read more here.
Keywords: dielectric constant; phase boundary; morphotropic phase; sub ... See more keywords
Intrinsic Elastomer with Remarkable Dielectric Constant via Elastification of Relaxor Ferroelectric Polymer
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Materials"
DOI: 10.1002/adma.202404001
Abstract: High‐dielectric‐constant elastomers always play a critical role in the development of wearable electronics for actuation, energy storage, and sensing; therefore, there is an urgent need for effective strategies to enhance dielectric constants. The present methods… read more here.
Keywords: dielectric constant; relaxor ferroelectric; elastomer; ferroelectric polymer ... See more keywords
Reducing Dielectric Loss of High‐Dielectric‐Constant Elastomer via Rigid Short‐Chain Crosslinking
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Materials"
DOI: 10.1002/adma.202411082
Abstract: High‐dielectric‐constant elastomers have broad applications in wearable electronics, which can be achieved by the elastification of relaxor ferroelectric polymers. However, the introduction of soft long chains, with their high mobility under strong electric fields, leads… read more here.
Keywords: dielectric constant; high dielectric; short chain; dielectric loss ... See more keywords
Electrical properties of flexible graphene reinforced polyimide composites
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Polymer Science"
DOI: 10.1002/app.45372
Abstract: The electrical properties of polyimide and the composite at different volumes fractions were studied in the frequency range 200 Hz–20 kHz and in the temperature range 30–200 °C. Increasing the volume fraction of graphene up to… read more here.
Keywords: polyimide composites; properties flexible; graphene; dielectric constant ... See more keywords
Reduction of dielectric constant by nanovoids formed through chemical treatment on silica crosslinked polyimide and its effect on properties
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Polymer Science"
DOI: 10.1002/app.45982
Abstract: In this study, 2,7-diamino-9-fluorenol (DAF) has been introduced to bond silica to the main chain of the polyimide (PI) copolymer. DAF contains a hydroxyl group that could covalently bond with silica particles. 4,4′-(Hexafluoroisopropylidene)diphthalic anhydride (6FDA)… read more here.
Keywords: treatment; reduction dielectric; silica; dielectric constant ... See more keywords
Melt‐reprocessable linear low‐density polyethylene/cyclic olefin copolymer blends with low dielectric constant and low thermal expansion
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Applied Polymer Science"
DOI: 10.1002/app.55142
Abstract: Insulation materials with low dielectric constants, low coefficients of thermal expansion (CTE), low densities, renewability, and low cost are urgently needed in the fields of communication, control and signal cables. Here we report that combining… read more here.
Keywords: thermal expansion; dielectric constant; olefin copolymer; cyclic olefin ... See more keywords
Advanced Design and Fabrication of High‐Strength Phthalonitrile Thermosets With Low Dielectric Constants and Enhanced Toughness via Allyl‐Bismaleimide Modification
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Applied Polymer Science"
DOI: 10.1002/app.58041
Abstract: Benzoxazine‐containing phthalonitrile (PN) resins exhibit advantages such as low curing temperature, high thermal resistance, and stable electrical properties. However, the relatively high dielectric constant (3.8 at 1 MHz) limits its applications in the electronics field. In… read more here.
Keywords: dielectric constant; design fabrication; advanced design; low dielectric ... See more keywords
The Effect of the Dielectric Constant and Ion Mobility in Light-Emitting Electrochemical Cells.
Sign Up to like & getrecommendations! Published in 2018 at "ChemPlusChem"
DOI: 10.1002/cplu.201700500
Abstract: Light-emitting electrochemical cells (LEECs) are a promising low-cost option for display and solid-state lighting. In these devices, the interplay of mobile ions, electrons, and holes makes for rich physics that can be leveraged for high… read more here.
Keywords: electrochemical cells; dielectric constant; effect; light emitting ... See more keywords
High‐Performance Poly(ester‐Imide)s with Low Dielectric Constant and Low Dissipation Factor at 10 GHz via Cross‐Linking of Polymer Backbones
Sign Up to like & getrecommendations! Published in 2025 at "Macromolecular Chemistry and Physics"
DOI: 10.1002/macp.202500345
Abstract: Poly(ester‐imide)s (PEIs) are well‐known for their ultralow dissipation factor (Df) of 0.003 at 10 GHz recently. However, the dielectric constant (Dk) and Df seem to be two difficult‐to‐reconcile indexes in PEIs, a relatively high Dk… read more here.
Keywords: dielectric constant; ester imide; dissipation factor; cross linking ... See more keywords
All-Organic Hyper-Crosslinked Polymer/Polyimide Composite Films with Ultralow High-Frequency Dielectric Constant.
Sign Up to like & getrecommendations! Published in 2023 at "Macromolecular rapid communications"
DOI: 10.1002/marc.202200956
Abstract: The ever-increasing demand for high-speed communication at high frequency promotes the rapid development of low dielectric polymer films. Aromatic polyimide (PI) has been widely used as the main dielectrics in the flexible circuit board due… read more here.
Keywords: high frequency; frequency; hyper crosslinked; composite films ... See more keywords
Polybutadiene Dielectric Elastomers with high Dielectric Constant and Ultralow Dielectric loss via Tuning Grafted Polar Groups.
Sign Up to like & getrecommendations! Published in 2023 at "Macromolecular rapid communications"
DOI: 10.1002/marc.202200971
Abstract: This study describes an easy and effective process for preparing a homogeneous polybutadiene (PB) dielectric elastomer with improved actuated strain by utilizing a photochemical thiol-ene click reaction. The carboxyl groups and various ester groups are… read more here.
Keywords: dielectric loss; polybutadiene dielectric; dielectric constant; ester groups ... See more keywords