SnO2, ZnO and related polycrystalline compound semiconductors: An overview and review on the voltage-dependent resistance (non-ohmic) feature

PR Bueno, JA Varela, E Longo - Journal of the European Ceramic Society, 2008 - Elsevier
The present review describes mainly the history of SnO2-based voltage-dependent
resistors, discusses the main characteristics of these polycrystalline semiconductor systems …

Recent research developments in SnO2-based varistors

MR Cássia-Santos, VC Sousa, MM Oliveira… - Materials Chemistry and …, 2005 - Elsevier
This paper discusses some advances in research conducted on SnO2-based
electroceramics. The addition of different dopants, as well as several thermal treatments in …

Role of oxygen at the grain boundary of metal oxide varistors: A potential barrier formation mechanism

PR Bueno, ER Leite, MM Oliveira, MO Orlandi… - Applied Physics …, 2001 - pubs.aip.org
A model is proposed here to explain how the chemical features of metal oxide varistors can
alter their nonohmic physical behavior, based on nonohmic similarities in the electrical …

XPS investigations of surface segregation of do** elements in SnO2

D Szczuko, J Werner, S Oswald, G Behr… - Applied Surface Science, 2001 - Elsevier
Various doped tin oxide (dopants Sb, Nb, In) were prepared. By means of X-ray
photoelectron spectroscopy (XPS) the dependence of the surface concentration on do** …

Minimal cross-sensitivity to humidity during ethanol detection bySnO2–TiO2 solid solutions

A Tricoli, M Righettoni, SE Pratsinis - Nanotechnology, 2009 - iopscience.iop.org
A nanocomposite material is presented that optimally combines the excellent gas sensitivity
of SnO 2 and the selectivity of TiO 2. Nanostructured, rutile titanium–tin oxide solid solutions …

Structural, optical and electrical properties of Fe-doped SnO2 fabricated by sol–gel dip coating technique

TN Soitah, C Yang, L Sun - Materials Science in Semiconductor Processing, 2010 - Elsevier
Nanosized Fe3+-doped SnO2 thin film was prepared by the sol–gel dip coating (SGDC)
technique on quartz class substrate and sintered at 800° C. The microstructures, surface …

Electrical, photoluminescence and optical investigation of ZnO nanoparticles sintered at different temperatures

A Sedky, AM Ali, HH Somaily, H Algarni - Optical and Quantum Electronics, 2021 - Springer
We report here structural, electrical, photoluminescence (PL), and optical investigations of
ZnO nanoparticles. The ZnO samples are initially sintered at various temperatures (T s)(600 …

High-temperature MEMS heater platforms: long-term performance of metal and semiconductor heater materials

J Spannhake, O Schulz, A Helwig, A Krenkow, G Müller… - Sensors, 2006 - mdpi.com
Micromachined thermal heater platforms offer low electrical power consumption and high
modulation speed, ie properties which are advantageous for realizing non-dispersive …

Structural and optical investigation of pure and Al doped ZnO annealed at different temperatures

A Sedky, AM Ali, M Mohamed - Optical and Quantum Electronics, 2020 - Springer
The structural and optical properties of ZnO and Zn 0.9 Al 0.1 O (AlZnO) samples annealed
in air at different temperatures of (400–900° C) for 12 h are investigated. It is found that cell …

Elastic properties and microstructure evolution of Zn2SnO4-spinel-containing composite ceramics based on tin oxide and zinc oxide

P Šimonová, L Kotrbová, W Pabst, V Nečina… - Journal of the European …, 2024 - Elsevier
Ceramics based on tin oxide (SnO 2) and zinc oxide (ZnO) were sintered at temperatures up
to 1400° C. Except for the end members, all these ceramics are two-or three-phase …