Heavy metal ion pollution has always been a stringent problem facing the global
environment. Therefore, the detection of heavy metal ions has been extremely important and …

Manganites of transition and/or post-transition metals, AMn2O4 (where A was Co, Ni or Zn),
were synthesized by a simple and easily scalable co-precipitation route and were evaluated …

Cu and Ni substitutions are investigated at spinel MFCO (Manganese Iron Cobalt Oxide)
components using a variety of characterization techniques, including XRD, XPS, RAMAN …

Fabrication of efficient and cost-effective bifunctional oxygen electrocatalysts for both the
oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) remains a …

The effect of addition of Cu and Fe on the electrical properties of Ni–Mn–Co–O based NTC
thermistor compositions is studied. Compositions with very low resistivity were prepared by …

The thermal behavior of a series of MnO2 materials was investigated toward MnO2
microstructures under inert atmospheres. The byproduct formed during MnO2 heat …

The primary phase of sintered Mn1. 95− xNi0. 45Co0. 15Cu0. 45ZnxO4 (0⩽ x⩽ 0.3) bodies
was solid solutions of constituent oxides with a cubic spinel structure, along with NiO-rich Mn …

The fritless thick film NTC thermistor of composition Ni (1− x) CoxMn2O4:(0≤ x≤ 1),
synthesized by oxalate co-precipitation, were prepared by screen-printing on alumina …

The influence of synthesis parameters, such as calcination temperature and sintering
temperature, on the microstructure, phase composition, and electrical properties of NiMn 2 O …

Abstract Spinel-type Co 0.98 Mn 2.02 O 4 negative temperature coefficient (NTC) ceramics
were prepared by the solid-state coordination reaction and the influence of sintering …