Highly reliable and selective ethanol sensor based on α-Fe2O3 nanorhombs working in realistic environments
Yan Wenjun1, †, Zeng Xiaomin2, †, Liu Huan1, Guo Chunwei1, Ling Min2, Zhou Houpan1, §
       

(a) Schematic structure and (b) optical micrograph of the microheater, (c) the working principle of the gas sensing measurement.