Improvement of cycling performance of Li1.1Mn1.9O4 at 60 ◦C
by NiO addition for Li-ion secondary batteries
Characterization of n-type and p-type semiconductor gas sensors based on NiOx
doped TiO2 thin films
Synthesis and characterization of pure and ZrO2-doped
nanocrystalline CuO–NiO system