Nano-sized Er3+∶Y3Al5O12 powders was successfully prepared via a simple sol-gel route at as low a temperature at 800 ℃ whereas a temperature much higher is ne
The structure and disorder-order transformation of NdxFe60.5-xPt39.5(x = 0, 0.5, 1.0, 1.5) alloys were investigated in situ by high temperature X-ray diffractio
High purity Y2O3 nano-powders was synthesized directly from solution of industrial YCl3 by method of oxalate precipitation through super-micro-reactors made by
The internal frictions of the specimens in the waist centre of the commercial BNb and BNbRE rails, which were left in air for two years, were measured. It is fo