The demand for portable gas sensors is increasing following the progress in the electronics
industry; there is an equal need to increase the quality of gas sensors. Spinel ferrites have …

Flammable, explosive and toxic gases, such as hydrogen, hydrogen sulfide and volatile
organic compounds vapor, are major threats to the ecological environment safety and …

Ferrites are ferrimagnetic materials, a broad class of magnetic oxides with its remarkable
structural, electrical, and magnetic properties making them suitable for a variety of …

The economic growth of any country depends upon the MSMEs as it plays a vital role in
GDP and employment. The transportation is considered as the lifeline of the country. Hence …

The plasma spray technique was well proven in producing metal oxide based gas sensors
in the last two decades using different powder feedstocks. However, limited research was …

This review paper introduces various types of gas sensors operating at high temperatures
and their mechanisms, which can provide solutions to gas sensor selection for harsh …

Hydrogen gas sensing of Co 1-x Zn x Fe 2 O 4 (x= 0–0.45) nanoparticles synthesized by a
simple hydrothermal process has been investigated. An n→ p crossover in the electrical …

Hydrogen gas sensors based on CuFe 2 O 4 nanoparticle thin films are presented in this
work. Each gas sensor was prepared by depositing CuFe 2 O 4 thin film on a glass substrate …

The sensitive detection of toxic flammable volatile organics using low cost efficient sensors
is important for ensuring both indoor and outdoor safety. It is essential for chemical sensors …

Transition elements doping metal oxide is of great significance for developing gas sensors
with high performance. To achieve this goal, α-Fe 2 O 3 rod and Mn-doped α-Fe 2 O 3 …