primary silicon phase 中文意思是什麼
primary silicon phase
解釋
初生硅-
The second phase of alloy changes very much for the reheating. all of the primary silicon and iron - phase in al - 20si - 5fe - 3mn alloy is transformed into little well - distributed block
Al - 20si - 5fe - xti中初晶硅不僅被細化，而且趨向于球形，鐵相轉化為短片狀。 -
As a result 4 the rising annealing temperature induces si02 phase to form, also ivolves the formation of a si phase. in high - temperature - annealed sio ~, films the excess silicon atoms are present as si - si4 tetrahedra, randomly dispersed in the amorphous si02 matrix. photoluminescent spectra were observed for the samples excided by the laser whose wavelength is 365nm. the pl peak is located at about 445nm, which dose n ' t shift as the annealing temperature changes. as the annealing temperature is raised, the luminescent intensity increases. the phenomena suggest that the si - o - si bond as a defect center which is broken down by the stress at the si nc / si02 interface is the primary source of blue luminescence
這個陡的界面由於明顯的晶格結構的差別而有較大的應力。界面的形成伴隨著界面發光中心的增加，同時pl強度在l戶800有一個大的增強。這個結果提示我們，界面上h 0 s工鍵斷裂形成的nbohc應是藍光發射的主要原因。
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