Coordination of Ultralow Permittivity and Higher Thermal Conductivity of Polyimide Induced by Unique Interfacial Self‐Assembly Behavior
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202417843
Abstract: Upgrading the available dielectric materials is the most effective approach to solve the poor quality of signal transmission and heat buildup caused by high density integration. In this work, a design strategy for multilayer 3D… read more here.
Keywords: ultralow permittivity; permittivity; self assembly; thermal conductivity ... See more keywords
Breaking Permittivity‐Loss Constraint via Surface and Bulk Carrier Engineering in Topological Insulator Bi 2 Te 3
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202518771
Abstract: The development of low‐frequency microwave absorbers is facing a critical challenge that conventional impedance‐matching strategies based on λ/4 resonance principles necessitate prohibitively thick of materials, particularly for frequencies below 3 GHz. To address this conflict issue,… read more here.
Keywords: topological insulator; permittivity loss; carrier; permittivity ... See more keywords
High Permittivity CaCu3Ti4O12 Particle‐Induced Internal Polarization Amplification for High Performance Triboelectric Nanogenerators
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Energy Materials"
DOI: 10.1002/aenm.201903524
Abstract: Here, a composite material based on the butylated melamine formaldehyde (BMF) and high permittivity CaCu3Ti4O12 (CCTO) particles as a triboelectric dielectric material for stable high output triboelectric nanogenerators (TENGs) is proposed. CCTO particles, which have… read more here.
Keywords: internal polarization; triboelectric nanogenerators; permittivity; high permittivity ... See more keywords
High‐Q Cavity Coupled to a High Permittivity Dielectric Resonator for Sensing Applications
Sign Up to like & getrecommendations! Published in 2024 at "Annalen der Physik"
DOI: 10.1002/andp.202500241
Abstract: The use of high‐quality factor resonators is of undoubted interest for high‐precision measurements and for applications in quantum technologies. Novel types of microwave sensors can be realized by coupling a first resonator acting as a… read more here.
Keywords: coupled high; cavity coupled; cavity; permittivity ... See more keywords
A review of recent developments and applications of high‐permittivity dielectric shimming in magnetic resonance
Sign Up to like & getrecommendations! Published in 2024 at "NMR in Biomedicine"
DOI: 10.1002/nbm.5094
Abstract: We present a review outlining the basic mechanism, background, recent technical developments, and clinical applications of aqueous dielectric padding in the field of MRI. Originally meant to be a temporary solution, it has gained traction… read more here.
Keywords: recent developments; dielectric pads; review recent; permittivity ... See more keywords
Aggregation‐Dependent Dielectric Permittivity in 2D Molecular Crystals
Sign Up to like & getrecommendations! Published in 2022 at "Small Methods"
DOI: 10.1002/smtd.202101198
Abstract: The functionality of 2D molecular crystal‐based devices crucially depends on their intrinsic properties, such as molecular energy levels, light absorption efficiency, and dielectric permittivity, which are highly sensitive to molecular aggregation. Here, it is demonstrated… read more here.
Keywords: dielectric permittivity; aggregation; permittivity; aggregation dependent ... See more keywords
GHz permittivity of carbon black and polyaniline with styrene–butadiene–styrene composites
Sign Up to like & getrecommendations! Published in 2018 at "Polymer Bulletin"
DOI: 10.1007/s00289-018-2398-7
Abstract: The present work was focused on microwave absorption and electrical properties of conducting carbon black-filled/styrene–butadiene–styrene and polyaniline-filled/styrene–butadiene–styrene prepared in a mechanical mixer. Composites containing 1.0, 4.0 and 10 wt% of carbon black were studied. Conducting composites… read more here.
Keywords: permittivity; styrene; styrene butadiene; carbon black ... See more keywords
Investigation of triplex CaAl2ZnO5 nanocrystals on electrical permittivity, optical and structural characteristics of PVA nanocomposite films
Sign Up to like & getrecommendations! Published in 2019 at "Polymer Bulletin"
DOI: 10.1007/s00289-019-03069-3
Abstract: Nanocomposite (NC) films of polyvinyl alcohol (PVA)/calcium aluminum-doped zincate (CaAl 2 ZnO 5 ) have been fabricated with varying amounts, namely 2, 4, 6 and 8 wt% of CaAl 2 ZnO 5 nanoparticles (NPs) by solution… read more here.
Keywords: permittivity; nanocomposite films; spectroscopy; caal zno ... See more keywords
High-permittivity dielectric edge termination for vertical high voltage devices
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Computational Electronics"
DOI: 10.1007/s10825-020-01553-y
Abstract: A novel edge-termination concept using extreme permittivity dielectrics is proposed to effectively manage electric fields in vertical power-devices. This method is expected to be particularly significant for wide band-gap semiconductors, where field termination is a… read more here.
Keywords: high permittivity; permittivity dielectric; termination; edge termination ... See more keywords
Precise measurements of the permittivity of microwave absorbing materials at microwave frequencies
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-020-03535-z
Abstract: With the development of electronic technology, microwave absorbing materials play an important role in aerospace, electromagnetic pollution, and other fields. However, the accurate measurement of dielectric properties at microwave frequencies has always been a difficult… read more here.
Keywords: microwave absorbing; permittivity; method; accurate measurement ... See more keywords
A General Strategy to Achieve Colossal Permittivity and Low Dielectric Loss Through Constructing Insulator/Semiconductor/Insulator Multilayer Structures
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-018-1985-1
Abstract: In this work, we propose a route to realize high-performance colossal permittivity (CP) by creating multilayer structures of insulator/semiconductor/insulator. To prove the new concept, we made heavily reduced rutile TiO2 via annealing route in Ar/H2… read more here.
Keywords: permittivity; semiconductor; dielectric loss; insulator ... See more keywords