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Related papers: Copper-oxide Nanowires based Humidity Sensor

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Ambient humidity poses a significant challenge in the development of practical room temperature NO$_2$ gas sensors. Here, we employ atomically precise zigzag edges in multilayer MoS$_2$, fabricated using electron beam lithography and…

Metal-oxide nanowires are showing a great interest in the domain of gas sensing due to their large response even at a low temperature, enabling low-power gas sensors. However their response is still not fully understood, and mainly…

Materials Science · Physics 2020-03-27 Nohora Caicedo , Renaud Leturcq , Jean-Pierre Raskin , Denis Flandre , Damien Lenoble

Photodetectors based on nano-structured superconducting thin films are currently some of the most sensitive quantum sensors and are key enabling technologies in such broad areas as quantum information, quantum computation and…

Graphene oxide relative dielectric permittivity, both its real and imaginary parts, have been measured under various humidity conditions at GHz. It is demonstrated that the relative dielectric permittivity increases with increasing humidity…

The use of hydrogen as a clean and renewable alternative to fossil fuels requires a suite of flammability mitigating technologies, particularly robust sensors for hydrogen leak detection and concentration monitoring. To this end, we have…

In this study, novel flexible micro-scale humidity sensors were directly fabricated in graphene oxide (GO) and polyimide (PI) using ion beam writing without any further modifications, and then successfully tested in an atmospheric chamber.…

We report on the formation of oriented gold nano structures on Si(100) substrate by annealing procedures in low vacuum (\approx10-2 mbar) and at high temperature (\approx 975^{\circ} C). Various thicknesses of gold films have been deposited…

Mesoscale and Nanoscale Physics · Physics 2017-11-27 Ashutosh Rath , J. K. Dash , R. R. Juluri , A. Rosenauer , Marcos Schoewalter , P. V. Satyam

Copper nanopowder preparation and its X-Ray diffraction studies are reported in this paper. Electrolytic cathode deposition method is simple and cheapest process for its preparation. Copper nanopowder has been prepared from aqueous copper…

General Physics · Physics 2010-04-01 T. Theivasanthi , M. Alagar

Copper oxide II is a p-type semiconductor that can be used in several applications. Focusing on producing such material using an easy and low-cost technique, we followed an acetate one-pot-like route for producing a polymer precursor…

Glucose oxidation is a key reaction in biosensing and energy conversion, with anodized copper electrodes showing great potential as catalysts for its enhancement. This study explores the relationship between anodization parameters and…

The use of oxide glasses is pervasive throughout everyday amenities and commodities. Such glasses are typically electrical insulators, and endowing them with electrical conductivity without changing their salutary mechanical properties,…

Nanocomposite metal oxide thin films exhibit assuring qualities in the field of gas sensors because of the collective opportunities provided by the heterointerface formation. In this work, we present the synthesis of nitrogen doped…

Materials Science · Physics 2022-02-07 P. K. Shihabudeen , Ayan Roy Chaudhuri

Nanowear properties of sputtered Au films in dry and wet environments were investigated using a scanning nanoindenter. Gold exhibits over 10 times higher wear rate in water compared to air at the same normal load of 10 microN. The friction…

Materials Science · Physics 2008-02-19 Xiaolu Pang , Alex A. Volinsky , Kewei Gao

A method for online decorrelation of chemical sensor signals from the effects of environmental humidity and temperature variations is proposed. The goal is to improve the accuracy of electronic nose measurements for continuous monitoring by…

Data Analysis, Statistics and Probability · Physics 2017-03-17 Ramon Huerta , Thiago S. Mosqueiro , Jordi Fonollosa , Nikolai F Rulkov , Irene Rodriguez-Lujan

Hydrogen sensors have been prepared using nickel oxide (NiO) and lithium-doped nickel oxide (NiO:Li) thin films, deposited on glass substrates by the sol-gel spin coating technique. The surface morphology, structure, optical and electrical…

Materials Science · Physics 2014-12-23 I. Sta , M. Jlassi , M. Kandyla , M. Hajji , P. Koralli , R. Allagui , M. Kompitsas , H. Ezzaouia

At millimeter dimension or less, the conventional bonding technology in electronic assembly relies heavily on reflow soldering and suffers from severe performance and reliability degradation. Meanwhile, the traditional high temperature…

Materials Science · Physics 2015-11-09 Yanbin Cui , Yang Ju

The humidity sensitivity of n-type strontium-hexaferrite semiconductors, X-type (Sr2Co2Fe28O46) and Z-type (Sr3Co2Fe24O41), are investigated at room temperature. The contact and reactions between water and material surface are demonstrated…

Materials Science · Physics 2016-08-11 Hui-Feng Zhang , Jian Li , Gang-Qin Shao , Zhen-Sheng Gao , Jin-Hua Liu , H. -N. Girish

Nanocrystalline CuO-CuFe2O4 composite thin films were developed from CuFeO2 ceramic target using a radio frequency sputtering method followed by a thermal oxidation process. This fabrication process helps to develop porous sensing layers…

In this article, we report the growth of gold nanorods on glass substrates and copper nanoparticle thin films by cylindrical direct current magnetron sputtering (CDCMS) at room temperature. The grown gold nanorods have short lengths of <…

Optics · Physics 2018-11-14 Zahra Jalilian , Saeideh Edalati-Boostan , Rostam Moradian

Hydrogen (H2) is a well-known reduction gas and for safety reasons is very important to be detected. The most common systems employed along its detection are metal oxide-based elements. However, the latter demand complex and expensive…