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Related papers: Porous Alumina Based Capacitive MEMS RH Sensor

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A liquid filled, low refractive index material inner-coated silica micro-tube has been proposed and studied as a coupled micro-resonator sensor to greatly enhance biochemical sensor sensitivity. Its unique coupling phenomenon has been…

Optics · Physics 2015-06-12 Tao Ling , L. Jay Guo

Micro-Electro-Mechanical, so called 'MEMs,' vapor cells are a key component in atom-based quantum sensors, such as clocks, gyroscopes, electric field sensors and magnetometers. MEMs vapor cell fabrication for Rydberg atom radio frequency…

A custom-developed magneto-mechanical resonator (MMR) for wireless pressure measurement is investigated for potential applications in process engineering. The MMR sensor utilises changes in the resonance frequency caused by pressure on a…

The filling behavior of a room temperature solvent, perfluoromethylcyclohexane, in approximately 20 nm nanoporous alumina membranes was investigated in situ with small angle x-ray scattering. Adsorption in the pores was controlled…

Soft Condensed Matter · Physics 2007-05-23 K. J. Alvine , O. G. Shpyrko , P. S. Pershan , K. Shin , T. P. Russell

A simple and low cost apparatus has been designed and built to measure the electrical resistivity, ($\rho$), of metal and semiconductors in 300-620 K temperature range. The present design is suitable to do measurement on rectangular bar…

General Physics · Physics 2017-04-14 Saurabh Singh , Sudhir K. Pandey

The development of room-temperature sensing devices for detecting small concentrations of molecular species is imperative for a wide range of low-power sensor applications. We demonstrate a room-temperature, highly sensitive, selective, and…

Inspired by the dendritic integration and spiking operation of a biological neuron, flexible oxide-based neuron transistors gated by solid-state electrolyte films are fabricated on flexible plastic substrates for biochemical sensing…

Materials Science · Physics 2015-05-20 Ning Liu , Li Qiang Zhu , Ping Feng , Chang Jin Wan , Yang Hui Liu , Yi Shi , Qing Wan

Selective solar absorbers (SSAs) with high performance are the key to concentrated solar power systems. Optical metamaterials are emerging as a promising strategy to enhance selective photon absorption, however, the high-temperature…

Applied Physics · Physics 2020-06-01 Yanpei Tian , Lijuan Qian , Xiaojie Liu , Alok Ghanekar , Jun Liu , Thomas Thundat , Gang Xiao , Yi Zheng

Photonic crystal fiber (PCF)-based plasmonic sensors have gained considerable attention because of their highly sensitive performance and broad range of sensing regimes. In this work, a relatively simple ultra-sensitive PCF-based surface…

Graphene has the great potential to be used for humidity sensing due to ultrahigh surface area and conductivity. However, the impact of different atomic layers of graphene on SiO2/Si substrate on the humidity sensing have not been studied…

Mesoscale and Nanoscale Physics · Physics 2024-10-03 Qiang Gao , Hongliang Ma , Chang He , Xiaojing Wang , Jie Ding , Wendong Zhang , Xuge Fan

A preconcentrating surface-enhanced Raman scattering (SERS) sensor for the analysis of liquid-soaked tissue, tiny liquid droplets and thin liquid films without the necessity to collect the analyte is reported. The SERS sensor is based on a…

Mesoscale and Nanoscale Physics · Physics 2017-11-27 Longjian Xue , Wei Xie , Leonie Driessen , Katrin F. Domke , Yong Wang , Sebastian Schlücker , Stanislav N. Gorb , Martin Steinhart

We experimentally demonstrate the use of a novel liquid state, whispering-gallery-mode optical resonator as a highly sensitive humidity sensor. The optical resonator used consists of a droplet made of glycerol, a transparent liquid that…

Recently the strong demands in wireless communication requires expanding development for the application of RF MEMS (Radio Frequency micro electro mechanical systems) sensing devices such as micro-switches, tunable capacitors because it…

Other Computer Science · Computer Science 2007-11-29 M. -K. El Khatib , A. Pothier , P. Blondy

Micro-electro mechanical systems (MEMS) thermal flow sensors are increasingly used for compact, low-power flow monitoring in biomedical applications. However, silicon-based method for sensor fabrication is limited by high cost, rigidity,…

Instrumentation and Detectors · Physics 2025-12-10 Mohammad Nizar Mohamed Zukri , Muhammad Salman Al Farisi , Yoshihiro Hasegawa , Mitsuhiro Shikida

Amorphous alumina is employed ubiquitously as a high-dielectric-constant material in electronics, and its thermal-transport properties are of key relevance for heat management in electronic chips and devices. Experiments show that the…

Materials Science · Physics 2023-12-27 Angela F. Harper , Kamil Iwanowski , William C. Witt , Mike C. Payne , Michele Simoncelli

A fundamental issue in biomedical and environmental sciences is the development of sensitive and robust sensors able to probe the analyte of interest, under physiological and pathological conditions or in environmental samples, and with…

Materials Science · Physics 2015-11-10 Loretta L. del Mercato , Maria Moffa , Rosaria Rinaldi , Dario Pisignano

A surface plasmon resonance imaging biosensor based on $\text{MoS}_2$ deposited on Aluminium substrate is designed for high imaging sensitivity and detection accuracy. The proposed biosensor exhibits better performance than graphene-based…

Mesoscale and Nanoscale Physics · Physics 2018-12-19 Yi Xu , Lin Wu , Lay Kee Ang

In the described device, the thermal emissivity or absorptivity of the sample is measured by substitution of the radiative heat flow between two parallel surfaces by thermal output of a heater. Fast measurements of the mutual emissivity for…

Instrumentation and Detectors · Physics 2016-10-05 Tomas Kralik , Pavel Hanzelka , Vera Musilova , Ales Srnka

-This paper presents an inkjet printing capacitive microwave sensor for toxic vapor detection. The designed sensors were presented and fabricated with success. The experiments show sensitivity to ethanol vapor according to the S parameters.…

Instrumentation and Detectors · Physics 2018-02-07 P. Bahoumina , H. Hallil , K Pieper , J Lachaud , D. Rebière , C. Dejous , A Abdelghani , K Frigui , S Bila , D Baillargeat , Q Zhang , P Coquet , E Pichonat , H Happy

High-granularity calorimeters utilizing silicon pad sensors as main active material are being designed for the CMS endcap calorimeter upgrade and have been proposed for the electromagnetic calorimeters at CLIC, ILC and FCC-ee. The silicon…

Instrumentation and Detectors · Physics 2020-08-26 Pedro Dias de Almeida
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