Effect of Cr2O3 addition on the microstructure and electrical properties of SnO2-based varistor

G Hu, J Zhu, H Yang, F Wang - Journal of Materials Science: Materials in …, 2013 - Springer
The effect of Cr 2 O 3 addition on the properties of (Co, Nb)-doped SnO 2 varistors were
investigated. The samples with different Cr 2 O 3 concentrations were fabricated by the …

Electrical characteristics of SnO2 voltage-sensitive ceramics doped with Ni2O3

S Fan, W Liang, Q Xie, H Zhao - Materials Science in Semiconductor …, 2021 - Elsevier
SnO 2 voltage-sensitive ceramics is a kind of ceramic with nonlinear characteristics, which is
the most promising new material for high voltage and large current varistors. At present, the …

Effect of oxygen vacancies in Ta2O5-doped SnO2 ceramics on thermal conductivity and varistor characteristics

X Ji, H Zhao, M Kui - Ceramics International, 2024 - Elsevier
The effects of Ta doping on the thermal and electrical properties of SnO 2 varistors were
researched. The results showed that the thermal conductivity is 2.01 WK− 1 m− 1, the …

Varistor behavior in a ternary system based on SnO2 doped with a hexavalent donor: SnO2-MnO2-WO3

ALW Buonocore, R Mouta, JC Gomes… - Journal of Alloys and …, 2019 - Elsevier
Pentavalent metals have been used as donors in tin dioxide, giving it varistor characteristics
when associated with densifiers such as CoO or MnO 2. However, attempts to obtain varistor …

Tin oxide-based ceramics of high density obtained by pressureless sintering

E Medvedovski - Ceramics International, 2017 - Elsevier
Dense tin oxide-based ceramic semiconductors have a high potential as electrodes for
aluminum production, glass industry, sputtering targets for transparent conducting thin films …

Crystal phase analysis of SnO2-based varistor ceramic using the Rietveld method

ML Moreira, SA Pianaro, AVC Andrade… - Materials characterization, 2006 - Elsevier
A second addition of lmol% of CoO to a pre calcined SnO2-based ceramic doped with 1.0
mol% of CoO, 0.05 mol% of Nb2O5 and 0.05 mol% of Cr2O3 promotes the appearance of a …

High voltage characterization of tin oxide varistors

R Metz, J Morel, M Houabes, J Pansiot… - Journal of materials …, 2007 - Springer
High current characterization of SnO 2-based varistors have been carried out and the results
obtained have been compared with those ZnO-based commercial surge arresters. It is …

Effect of CuO addition on the microstructure and electrical properties of SnO2-based varistor

G Hu, J Zhu, H Yang, F Wang - Journal of Materials Science: Materials in …, 2013 - Springer
The effect of CuO addition on the properties of (Co, Nb, Cr)-doped SnO 2 varistors were
investigated. The samples with different CuO concentrations were fabricated by the …

Enhancement of non-linear properties in SnO2 varistors by ZnO doping

N Yongvanich, K Niyomtrum, C Chairatanaset… - Ceramics …, 2017 - Elsevier
The effect of Zn doping content in SnO 2-based varistors was investigated. The general
formula was ((Sn 0.985 Co 0.01 Nb 0.005 O β) 1− x (ZnO) x); x= 0, 0.005, 0.01, 0.02 and …

Potential Barrier of (Zn,Nb)SnO2‐Films Induced by Microwave Thermal Diffusion of Cr3+ for Low‐Voltage Varistor

GMMM Lustosa, JPDC Da Costa… - Journal of the …, 2016 - Wiley Online Library
The effect of Cr3+ on the electrical properties of SnO2‐based films deposited by
electrophoresis on Si/Pt substrate was considered. The films were sintered in a microwave …