Abstract:The lattice vibration model is established to express the crystalline silicon strain, based on which the strain coefficient b of −336.6 cm −1 is obtained for the uniaxial strain silicon with (100) crystalline plane. Applying Raman spectroscopy to measure single-axis crystalline silicon, the relationship between the screw rotation amount and the strain is advanced. By using a laser with a 648 nm wavelength, the Raman spectra frequency shift of 0.47 cm −1 is measured when the screw rotation amount is 1.5 mm. The… Show more
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