Artificial olfaction based on gas sensor arrays aims to substitute for, support, and surpass
human olfaction. Like mammalian olfaction, a larger number of sensors and more signal …

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 …

This article extensively reviews the recent development of semiconductor metal oxide gas
sensors for environmentally hazardous gases including NO2, NO, N2O, H2S, CO, NH3 …

Climate change and global warming have been two massive concerns for the scientific
community during the last few decades. Anthropogenic emissions of greenhouse gases …

In this study, 2D porous ZnFe 2 O 4 nanosheets (ZnFe 2 O 4 NSs) were fabricated for use as
sensing materials using a 3-stage process involving soaking, freeze-drying, and calcination …

Nitrous oxide (N2O), also known as laughing gas, is arguably one of the most detrimental
greenhouse gases while concurrently being overlooked by the public. Specifically, N2O is∼ …

Creation of novel functionality in materials is always fascinating for researchers/scientists.
Bismuth ferrite (BFO), a well known multiferroics material with simultaneous magnetic and …

Multiferroic systems are widely evaluated in gas sensing applications recently due to its
multifunctional properties and cost effectiveness. In this study, pristine Bi 2 Fe 4 O 9 (BFO) …

Nitrous oxide (N 2 O) is hazardous gas extensively used in surgeries as an anesthetic and
released into the atmosphere without any treatment. Despite low concentrations in the …

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 …