ZnO/NiO heterostructure-based microsensors used in formaldehyde detection at room temperature: Influence of the sensor operating voltage. - Chelu, Mariana; Chesler, Paul; Anastasescu, Mihai; Hornoiu, Cristian; Mitrea, Daiana; Atkinson, Irina; Brasoveanu, Costin; Moldovan, Carmen; Craciun, Gabriel; Gheorghe, Marin; Gartner, Mariuca (Journal of Materials Science: Materials in Electronics, 2022)