SnO2, ZnO and related polycrystalline compound semiconductors: An overview and review on the voltage-dependent resistance (non-ohmic) feature
The present review describes mainly the history of SnO2-based voltage-dependent
resistors, discusses the main characteristics of these polycrystalline semiconductor systems …
resistors, discusses the main characteristics of these polycrystalline semiconductor systems …
Atmospheric influence upon crystallization and electronic disorder and its impact on the photophysical properties of organic–inorganic perovskite solar cells
Recently, solution-processable organic–inorganic metal halide perovskites have come to
the fore as a result of their high power-conversion efficiencies (PCE) in photovoltaics …
the fore as a result of their high power-conversion efficiencies (PCE) in photovoltaics …
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 …
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
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 …
alter their nonohmic physical behavior, based on nonohmic similarities in the electrical …
The role of grain size on the thermal instability of nanostructured metal oxides used in gas sensor applications and approaches for grain-size stabilization
G Korotcenkov, BK Cho - Progress in Crystal Growth and Characterization …, 2012 - Elsevier
This review examines the influence of grain size on the thermal stability of nanostructured
metal oxides by studying their structural parameters. The main consideration was focused …
metal oxides by studying their structural parameters. The main consideration was focused …
Nature of the Schottky-type barrier of highly dense SnO2 systems displaying nonohmic behavior
The electrical characteristics of highly dense SnO2 ceramic varistors are believed to be
caused by the existence of potential barriers at the grain boundary. A complex plane …
caused by the existence of potential barriers at the grain boundary. A complex plane …
Structural and Nonlinear I–V Characteristics of Co-Substituted Sn1−x−yZnxMyOz Varistors with Various x, y and M
We report the structural and nonlinear behavior of Sn1− x− y Zn x M y O z varistors with x=
0.00, 0.50, y= 0.00, 0.25 and M= Fe, Co, Ni and Mn. The crystallite and grain sizes and …
0.00, 0.50, y= 0.00, 0.25 and M= Fe, Co, Ni and Mn. The crystallite and grain sizes and …
Defect profile and microstructural development in SnO2-based varistors
J Fayat, MS Castro - Journal of the European Ceramic Society, 2003 - Elsevier
The microstructural development and the stabilised valence of the ions added to SnO2 were
analysed. Aiming at a better interpretation of the involved phenomena, the effects on grain …
analysed. Aiming at a better interpretation of the involved phenomena, the effects on grain …
Effect of sinter temperature on the electrical properties of TiO2-based capacitor–varistors
The effect of sinter temperature on the electrical properties of a new TiO2-based varistor
system, TiO2· Y2O3· Nb2O5, was investigated by measuring the properties of I–V …
system, TiO2· Y2O3· Nb2O5, was investigated by measuring the properties of I–V …
Effect of oxidizing and reducing atmospheres on the electrical properties of dense SnO2-based varistors
The SnO2 based varistor systems recently presented in the literature appear to have a
promising potential in commercial applications. Experimental evidence shows that there is a …
promising potential in commercial applications. Experimental evidence shows that there is a …