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
Modular transmit/receive arrays using very‐high permittivity dielectric resonator antennas
Sign Up to like & getrecommendations! Published in 2018 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.26784
Abstract: Dielectric resonator antenna (DRAs) are compact structures that exhibit low coupling between adjacent elements and therefore can be used as MRI transmit arrays. In this study, we use very high permittivity materials to construct modular… read more here.
Keywords: dielectric resonator; modular transmit; high permittivity;
Radiofrequency safety of high permittivity pads in MRI—Impact of insulation material
Sign Up to like & getrecommendations! Published in 2023 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.29580
Abstract: High permittivity dielectric pads are known to be effective for tailoring the RF field and improving image quality in high field MRI. Despite a number of studies reporting benign specific absorption rate (SAR) effects, their… read more here.
Keywords: impact insulation; safety; high permittivity; insulation material ... 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
3D printing of PDC-SiOC@SiC twins with high permittivity and electromagnetic interference shielding effectiveness
Sign Up to like & getrecommendations! Published in 2021 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2021.04.048
Abstract: Abstract Effective electromagnetic interference (EMI) shielding requires materials with high permittivity. The current study reports 3D printed polymer-derived SiOC ceramics (PDC) modified with SiC nanowires (SiCnw) exhibiting both high real and imaginary parts of permittivity… read more here.
Keywords: high permittivity; sioc; pdc sioc; electromagnetic interference ... See more keywords
Highly Sensitive Capacitive Flexible Pressure Sensor Based on a High-Permittivity MXene Nanocomposite and 3D Network Electrode for Wearable Electronics.
Sign Up to like & getrecommendations! Published in 2021 at "ACS sensors"
DOI: 10.1021/acssensors.1c00484
Abstract: With the fast development of consumer electronic and artificial intelligence equipment, flexible pressure sensors (FPSs) have become a momentous component in the application of wearable electronic, electronic skin, and human-machine interfacing. The capacitive FPS possesses… read more here.
Keywords: wearable electronics; sensitivity; capacitive fps; high permittivity ... See more keywords
The challenge with high permittivity acceptors in organic solar cells: a case study with Y-series derivatives
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Materials Chemistry C"
DOI: 10.1039/d3tc01112g
Abstract: We synthesized high-permittivity Y-series acceptors and disclose that main reasons for the limited efficiency are others than altered bulk heterojunction morphologies. read more here.
Keywords: permittivity; permittivity acceptors; series; challenge high ... See more keywords
50 Ω transmission lines with extreme wavelength compression based on superconducting nanowires on high-permittivity substrates
Sign Up to like & getrecommendations! Published in 2021 at "Applied Physics Letters"
DOI: 10.1063/5.0077008
Abstract: We demonstrate impedance-matched low-loss transmission lines with a signal wavelength more than 150 times smaller than the free space wavelength using superconducting nanowires on high permittivity substrates. A niobium nitride thin film is patterned in… read more here.
Keywords: superconducting nanowires; transmission; high permittivity; wavelength ... See more keywords
Long-Range Miniaturized Ceramic RFID Tags
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2020.3037663
Abstract: Radio frequency identification (RFID) is a mature technology that allows contactless reading of data via a wireless communication link. While communication protocols in this field are subject to international regulations, there are plenty of opportunities… read more here.
Keywords: rfid; high permittivity; rfid tags; range ... See more keywords
Near-field mapping of high permittivity dielectric microwave resonator modes via optically induced conductance.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.457397
Abstract: In this paper, we demonstrate a straightforward, low-cost, and high resolution optical-based method to measure the three-dimensional relative electric field magnitude in microwave circuits without the need to monitor reflected laser beams or the requirement… read more here.
Keywords: near field; optically induced; induced conductance; resonator ... See more keywords
Structural and Insulating Behaviour of High-Permittivity Binary Oxide Thin Films for Silicon Carbide and Gallium Nitride Electronic Devices
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15030830
Abstract: High-κ dielectrics are insulating materials with higher permittivity than silicon dioxide. These materials have already found application in microelectronics, mainly as gate insulators or passivating layers for silicon (Si) technology. However, since the last decade,… read more here.
Keywords: binary oxides; silicon carbide; gallium nitride; high permittivity ... See more keywords