Ag-Yb2O3 electrical contact materials were fabricated by spark plasma sintering(SPS).The effects of silver powder particle size on the microstructure and proper
A λ-MnO2 supported Pt nanocatalyst(5 wt.% Pt/λ-MnO2) was synthesized using a facile approach.X-ray diffraction(XRD), X-ray photoelectron spectroscopy(XPS), sc