[PDF][PDF] Gas sensing mechanism of metal oxides: The role of ambient atmosphere, type of semiconductor and gases-A review

P Shankar, JBB Rayappan - Sci. Lett. J, 2015 - researchgate.net
Metal oxide thin films have emerged as a promising choice in the gas sensor industry.
Several key parameters such as physical and chemical characteristics of the metal oxides …

[PDF][PDF] A critical review on design and development of gas sensing materials

MN Padvi, AV Moholkar, SR Prasad… - Engineered …, 2021 - espublisher.com
The detection of gas molecule is important for environmental monitoring, safety, health
issues, chemical processing control, agriculture and medical applications. This is much …

Influence of heat treatment on H2S gas sensing features of NiO thin films deposited via thermal evaporation technique

D Dastan, A Jafari, T Marszalek… - Materials Science in …, 2023 - Elsevier
In this study, NiO thin films are prepared on Ni foil using thermal evaporation method and the
effect of deposition conditions on structural, morphological and H 2 S gas sensing properties …

Sensing characteristics of NiO thin films as NO2 gas sensor

I Hotovy, V Rehacek, P Siciliano, S Capone, L Spiess - Thin solid films, 2002 - Elsevier
In this paper we present the results concerning the characterisation of nickel oxide thin films
deposited by dc reactive magnetron sputtering. Different NiO thin films have been prepared …

Preparation of NiO nanoparticles in microemulsion and its gas sensing performance

Y Du, W Wang, X Li, J Zhao, J Ma, Y Liu, G Lu - Materials Letters, 2012 - Elsevier
Nano-sized nickel oxides have been synthesized in a water-in-oil microemulsion. The as-
synthesized samples were characterized by powder X-ray diffraction (XRD), transmission …

Characterization of Ni thin films following thermal oxidation in air

L De Los Santos Valladares, A Ionescu… - Journal of Vacuum …, 2014 - pubs.aip.org
The authors study the thermal oxidation of nickel thin films (50 nm) fabricated by
conventional thermal evaporation, resulting from annealing in air at 300, 325, 350, 400, and …

[PDF][PDF] Sol-gel prepared NiO thin films for electrochromic applications

RC Korošec, P Bukovec - Acta Chim. Slov, 2006 - Citeseer
An electrochromic material changes its optical properties in the visible part of the spectrum
under a certain applied potential. The change is reversible and the material returns to its …

Point defects in sputtered NiO films

WL Jang, YM Lu, WS Hwang, TL Hsiung… - Applied Physics …, 2009 - pubs.aip.org
The dominant point defects in p-type NiO films were determined by analyzing the
coordination number (CN) change with various annealing temperatures and the composition …

Effect of oxygen partial pressure on the electrical and optical properties of highly (200) oriented p-type Ni1−xO films by DC sputtering

S Nandy, B Saha, MK Mitra… - Journal of materials …, 2007 - Springer
Thin films of NiO (bunsenite) with (200) preferential orientation were synthesized on glass
substrates by direct current sputtering technique in Ar+ O 2 atmosphere. Nanostructural …

Enhancement of H2 sensing properties of NiO-based thin films with a Pt surface modification

I Hotovy, J Huran, P Siciliano, S Capone… - Sensors and Actuators B …, 2004 - Elsevier
In this paper, we present the results concerning the Pt surface modification of nickel oxide
thin films deposited by dc reactive magnetron sputtering. Pt very thin overlayers with a …