Determination of substitutional carbon in SI-GaAs thin wafers was investigated by FT-IR microscopeat room temperature for the first time.The experimental result
The addition Of Pb enhances the hightemperature stability as well as theproportion of the high T<sub>c</sub> phase in Bi-Sr-Ca-Cu-O superconductor.The sample A
General Research Institute for Non-ferrous Metals in cooperation with Changchun Instituteof Optical and Fine Mechanics prepared an automatic measurement instrum
The properties of all materials depend largely on their chemical compositions.Compositional analysisby using the atom probe suggests that it is necessary to inv