The microprecipitates in the as-grown undoped and In-doped semi-insulating GaAs single crystals have been ex-amined by JEM 200 CX transmission electron microsco
The accurate measurements of the surface tension for molten silicon are not easy to be carried out.Themajor problem comes from the fact that it is very difficul
A new type of complex solid superacid catalyst WO<sub>3</sub>-ZrO<sub>2</sub>-SO<sub>4</sub><sup>2-</sup>with an acid strength H<sub>0</sub>≤-16.04 wasprepared
Effect of oxygen and hydrogen on electron irradiated defects of Si single crystal has been studied.These CZ-Si andFZ-Si single crystal specimens were irradiated