Results 101 to 110 of about 305,869 (286)

Electronically Tunable Resistorless Mixed Mode Biquad Filters [PDF]

, 2013
This paper presents a new realization of elec¬tronically tunable mixed mode (including transadmittance- and voltage-modes) biquad filter with single input, three outputs or three inputs, single output using voltage differ-encing transconductance ...
Kacar, F., Yesil, A.
core   +1 more source

On‐Chip Active Supercoupled Topological Cavity

Advanced Materials, EarlyView.
The on‐chip supercoupled cavity device is demonstrated realizing a record cavity excitation distance exceeding three wavelengths, leveraging the valley‐conserved supercoupling mechanism in the valley Hall topological system. This optothermal tunable design enables new degrees of freedom for supercoupled photonic cavities in mux‐demux, lasers, sensors ...
Ridong Jia, Wenhao Wang, Yi Ji Tan, Zhonglei Shen, Thomas Caiwei Tan, Zhonghua Gu, Prakash Pitchappa, Ranjan Singh   +7 more
wiley   +1 more source

Serial Switch Only Rectifier as a Power Conditioning Circuit for Electric Field Energy Harvesting

Energies, 2020
Because traditional electronics cannot directly use the alternating output voltage and current provided by electric field energy harvesters, harvesting systems require additional regulating and conditioning circuits.
Oswaldo Menéndez, Loreto Romero, Fernando Auat Cheein   +2 more
doaj   +1 more source

Topology in Biological Piezoelectric Materials

Advanced Materials, EarlyView.
This review summarizes the topological structures in biological piezoelectric materials, covering morphology evolution, spatial arrangement, and biomimetic strategies. These topologies modulate structure‐property relationships across multiple scales, enabling performance enhancement and multifunctional integration.
Chen Chen, Yanhu Zhang, Yi Zheng, Yi Zhang, Hongyi Liu, Jiang Wu, Liang Yang, Zhengbao Yang   +7 more
wiley   +1 more source

Topolectrical-circuit octupole insulator with topologically protected corner states [PDF]

, 2019
Recent theoretical studies have extended the Berry phase framework to account for higher electric multipole moments, quadrupole and octupole topological phases have been proposed. Although the two-dimensional quantized quadrupole insulators have been demonstrated experimentally, octupole topological phases have not previously been observed ...
arxiv   +1 more source

A Sinusoidal Current Driver With an Extended Frequency Range and Multifrequency Operation for Bioimpedance Applications [PDF]

, 2014
This paper describes an alternative sinusoidal current driver suitable for bioimpedance applications where high frequency operation is required. The circuit is based on a transconductor and provides current outputs with low phase error for frequencies ...
Demosthenous, A, Langlois, PJ, Neshatvar, N   +2 more
core   +1 more source

Liquid Metal‐Vitrimer Conductive Composite for Recyclable and Resilient Electronics

Advanced Materials, EarlyView.
To address the growing electronic waste challenge, an electrically conductive, healable, and recyclable plastic composite is created, composed of vitrimer and liquid metal microdroplets. A reconfigurable circuit board is demonstrated using this composite material, providing a notable step toward sustainable and robust electronic technologies.
Dong Hae Ho, Meng Jiang, Ravi Tutika, Joshua C. Worch, Michael D. Bartlett   +4 more
wiley   +1 more source

On‐Chip Active Non‐Reciprocal Topological Photonics

Advanced Materials, EarlyView.
An ultra‐compact and efficient on‐chip isolator is experimentally demonstrated by integrating magneto‐optical InSb onto a terahertz silicon topological chip. The simultaneous breaking of spatial and temporal reversal symmetries forms a valley‐conserved non‐reciprocal waveguide mode, enabling a compact cavity size of 6.4 × 2.5λ2 and a low insertion loss
Ridong Jia, Thomas Caiwei Tan, Sobhan Subhra Mishra, Wenhao Wang, Yi Ji Tan, Ranjan Singh   +5 more
wiley   +1 more source

A Performance Optimized Operational Amplifier Using Transconductance Enhancement Topology Based on a-IGZO TFTs

IEEE Journal of the Electron Devices Society
This paper reports a performance optimized operational amplifier (OPAMP) using transconductance enhancement topology based on the amorphous indium- gallium-zinc-oxide (a-IGZO) thin-film transistors (TFTs).
Fanzhao Meng, Yi Li, Jun Li, Jie Liang, Jianhua Zhang   +4 more
doaj   +1 more source

Multi‐Agent‐Network‐Based Idea Generator for Zinc‐Ion Battery Electrolyte Discovery: A Case Study on Zinc Tetrafluoroborate Hydrate‐Based Deep Eutectic Electrolytes

Advanced Materials, EarlyView.
An LLM‐based multi‐agent network screens academic literature to propose multiple environmentally friendly aqueous deep eutectic electrolytes for zinc‐ion batteries. Experiments identify an optimal composition of Zn(BF4)2·xH2O and ethylene carbonate, which shows high conductivity and cycling stability.
Matthew J. Robson, Shengjun Xu, Zilong Wang, Qing Chen, Francesco Ciucci   +4 more
wiley   +1 more source