Results 11 to 20 of about 3,348,592 (247)

Piezoelectric Energy Harvesting: Enhancing Power Output by Device Optimisation and Circuit Techniques [PDF]

open access: yes, 2010
Energy harvesting; that is, harvesting small amounts of energy from environmental sources such as solar, air flow or vibrations using small-scale (≈1cm 3 ) devices, offers the prospect of powering portable electronic devices such as GPS receivers and
Worthington, Emma
core   +7 more sources

Absorbance based light emitting diode optical sensors and sensing devices [PDF]

open access: yes, 2008
The ever increasing demand for in situ monitoring of health, environment and security has created a need for reliable, miniaturised sensing devices. To achieve this, appropriate analytical devices are required that possess operating characteristics of ...
O'Toole, Martina   +5 more
core   +2 more sources

Coupled piezoelectric-circuit FEA to study influence of a resistive load on power output of piezoelectric energy devices [PDF]

open access: yes, 2009
This paper presents, for the first time, a coupled piezoelectric-circuit finite element model (CPC-FEM) to analyze the power output of vibration-based piezoelectric energy harvesting devices (EHDs) when connected to a resistive load.
Zhu, Meiling   +5 more
core   +1 more source

Proton irradiation of e2v technologies L3Vision devices [PDF]

open access: yes, 2005
This paper describes the proton irradiation and subsequent analysis of 8 e2v technologies CCD65 L3Vision devices with the intention of assessing the suitability of L3Vision technology to applications in space.
Holland, AD, Smith, DR
core   +6 more sources

Flexible Silicon Dimer Nanocavity with Electric and Magnetic Enhancement

open access: yesPhotonics, 2022
High-index dielectrics have recently been regarded as promising building blocks in nanophotonics owing to optical electric and magnetic Mie resonances. In particular, silicon is gaining great interest as the backbone of modern technology.
Chengda Pan   +7 more
doaj   +1 more source

Electric Double Layer Based Epidermal Electronics for Healthcare and Human-Machine Interface

open access: yesBiosensors, 2023
Epidermal electronics, an emerging interdisciplinary field, is advancing the development of flexible devices that can seamlessly integrate with the skin.
Yuan Gao   +4 more
doaj   +1 more source

Nanoplasmonics in High Pressure Environment

open access: yesPhotonics, 2020
An explosion in the interest for nanoplasmonics has occurred in order to realize optical devices, biosensors, and photovoltaic devices. The plasmonic nanostructures are used for enhancing and confining the electric field.
Grégory Barbillon
doaj   +1 more source

Wearables and Implantables in MICS- A Review

open access: yesAlexandria Engineering Journal, 2023
Metamaterials are artificially engineered materials that exhibit naturally unavailable properties like negative electric permittivity and magnetic permeability.
Prasanthi Kumari Nunna   +2 more
doaj   +1 more source

A Review on Metamaterials for Device Applications

open access: yesCrystals, 2021
Metamaterials are the major type of artificially engineered materials which exhibit naturally unobtainable properties according to how their microarchitectures are engineered.
N. Suresh Kumar   +4 more
doaj   +1 more source

Towards breath sensors that are self-powered by design

open access: yesRoyal Society Open Science, 2022
Piezoelectric materials are widely used to generate electric charge from mechanical deformation or vice versa. These strategies are increasingly common in implantable medical devices, where sensing must be done on small scales. In the case of a flow rate
Lucy Fitzgerald   +4 more
doaj   +1 more source

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