Impedance spectroscopy is essential in understanding the physical and chemical processes
that affect the electronic behavior of semiconducting metal oxide-based gas sensor …

The author provides an opinion on direct experimental evidence available to support the
“ionosorption theory” often employed to interpret “electrophysical” measurements made …

Results of studies on single and multiple SnO 2 nanowire gas sensors with impedance
spectroscopy are reported. Equivalent circuit modeling is used to draw fundamental …

In2O3 and Pt-doped In2O3 nanopowders were investigated for oxygen monitoring at low
temperature (from RT to 350° C). In the first step, In2O3 nano-sized powders were …

Single-crystalline semiconductor metal oxide nanowires exhibit novel structural and
electrical properties attributed to their reduced dimensions, well-defined geometry and the …

This study reports on the gas sensing characteristics of Fe-doped (10at.%) tungsten oxide
thin films of various thicknesses (100–500nm) prepared by electron beam evaporation. The …

Fe-doped tungsten oxide thin films with different concentrations (0–2.6 at%) were
synthesized on glass and alumina substrates at room temperature using DC reactive …

Combined experimental and theoretical investigations were conducted on the electronic
structure, as well as the optical and gas-sensing properties of mixed-phase CaCu 3 Ti 4 O …

In this study was synthesized cerium oxide (CeO 2) doped with praseodymium (Pr) using a
microwave-assisted hydrothermal method. The positions of the vacancies with respect to Ce …

Pure tungsten oxide (WO3) and iron-doped (10at.%) tungsten oxide (WO3: Fe)
nanostructured thin films were prepared using a dual crucible Electron Beam Evaporation …