Results 81 to 90 of about 178,579 (206)

Zeolite-based Impedimetric Gas Sensor Device in Low-cost Technology for Hydrocarbon Gas Detection

open access: yesSensors, 2008
Due to increasing environmental concerns the need for inexpensive selective gas sensors is increasing. This work deals with transferring a novel zeolite-based impedimetric hydrocarbon gas sensor principle, which has been originally manufactured in a ...
Gunter Hagen   +2 more
doaj   +1 more source

Regulating the Electron Depletion Layer of Au/V2O5/Ag Thin Film Sensor for Breath Acetone as Potential Volatile Biomarker. [PDF]

open access: yesNanomaterials (Basel), 2023
Alghamdi BM   +6 more
europepmc   +1 more source

Modeling thin-film piezoelectric polymer ultrasonic sensors

open access: yesReview of Scientific Instruments, 2014
This paper presents a model suitable to design and characterize broadband thin film sensors based on piezoelectric polymers. The aim is to describe adequately the sensor behavior, with a reasonable number of parameters and based on well-known physical equations. The mechanical variables are described by an acoustic transmission line.
González, Martín Germán   +2 more
openaire   +3 more sources

An In-situ Real-Time Optical Fiber Sensor Based on Surface Plasmon Resonance for Monitoring the Growth of TiO2 Thin Films

open access: yesSensors, 2013
An optical fiber sensor based on surface plasmon resonance (SPR) is proposed for monitoring the thickness of deposited nano-thin films. A side-polished multimode SPR optical fiber sensor with an 850 nm-LD is used as the transducing element for real-time ...
Wen-Ching Shih   +3 more
doaj   +1 more source

In situ Measurement of Biaxial Modulus of Si Anode for Li-ion Batteries

open access: yes, 2010
We report in situ measurement of biaxial moduli of a Si thin-film electrode as a function of its lithium concentration. During lithiation, biaxial compressive stress is induced in the Si film and it undergoes plastic flow. At any state-of-charge (SOC), a
Chon, Michael J.   +4 more
core   +2 more sources

Thin Film Ceramic Strain Sensor Development for Harsh Environments: Identification of Candidate Thin Film Ceramics to Test for Viability for Static Strain Sensor Development [PDF]

open access: yes, 2006
The need to consider ceramic sensing elements is brought about by the temperature limits of metal thin film sensors in propulsion system applications. In order to have a more passive method of negating changes of resistance due to temperature, an effort ...
Fralick, Gustave C.   +2 more
core   +1 more source

Magnetoimpedance Thin Film Sensor for Detecting of Stray Fields of Magnetic Particles in Blood Vessel. [PDF]

open access: yesSensors (Basel), 2021
Melnikov GY   +4 more
europepmc   +1 more source

Thin Film Cocaine Sensors

open access: yes, 2018
Over 7 million Americans suffer from a drug use disorder and up to 60% of individuals treated for addiction will ultimately relapse. We are developing ultra-thin film electrodes on a wearable substrate for a sensor that can detect minute amounts of cocaine in sweat droplets secreted from the skin.
Sheregar, Datta   +5 more
openaire   +1 more source

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