Khoom Taw Qhia
Cov khoom parameter
Khoom Description
Hlau silicon, tseem hu ua crystalline silicon los yog muaj silicon, thiab nws yog tsuas yog siv los ua ib qho ntxiv rau cov hlau tsis muaj hlau. Cov ntsiab lus ntawm silicon nyob rau hauv metallic silicon yog hais txog 98%, uas yog ib yam khoom smelted los ntawm Shi Ying thiab coke nyob rau hauv ib tug hluav taws xob cua sov rauv, thiab cov seem impurities yog hlau, txhuas, calcium thiab thiaj li nyob.
Silicon hlau feem ntau yog cais raws li cov ntsiab lus ntawm hlau, txhuas thiab calcium. Raws li qhov sib txawv feem pua ntawm cov hlau, txhuas thiab calcium hauv silicon hlau, silicon hlau tuaj yeem muab faib ua ntau hom xws li 553, 441, 411, 421, 3303, 3305, 22 02, 2502, 1501 thiab 1101. Cov ntsiab lus ntawm cov hlau nplaum silicon 553 yog 0.5% hlau, 0.5% txhuas thiab 0.3% calcium. Hais txog cov ntsiab lus, cov ntsiab lus ntawm silicon hauv cov hlau silicon yuav tsum siab li 98.5%. Hlau silicon tseem hu ua kev lag luam, thiab nws cov tsos muaj feem xyuam nrog kev nce ntawm kev lag luam semiconductor. Semiconductor silicon tuaj yeem siv los ua cov hlau purity silicon ntawm cov khoom siv semiconductor.
Cov hluav taws xob conductivity ntawm silicon yog ze ze rau nws qhov kub thiab txias, uas nce mus txog qhov siab tshaj plaws ntawm 1480 degree, thiab txo qis nrog qhov nce ntawm qhov kub thiab txias thaum kub tshaj 1600 degree. Lub silicon additive npaj los ntawm hlau silicon 553 muaj ib tug ceev melting ceev piv nrog cov uas twb muaj lawm instant silicon, uas txo lub sij hawm melting thiab ua tsis muaj pa taws thaum siv.
Silicon yog ib qho ntawm cov semi-hlau, thiab nws cov khoom zoo ib yam li cov germanium, txhuas thiab tin, thiab nws muaj cov khoom semiconductor. Insoluble nyob rau hauv acid thiab soluble nyob rau hauv alkali nyob rau hauv chav tsev kub. Silicon yog siv los txo tus neeg sawv cev hauv ntau hom hlau smelting. Qhov sib ntxiv ntawm silicon tuaj yeem txhim kho qhov kev ua haujlwm casting thiab corrosion kuj ntawm aluminium alloy rau qee qhov. Shi Ying yog cov khoom siv raw ntawm cov xim hlau silicon, thaum Shi Ying muaj cov khoom tsis zoo thiab zoo heev, thiab cov pa roj carbon raws li cov neeg ua haujlwm txo qis kuj muaj qhov tsis zoo thiab zoo heev, yog li qhov sib txawv ntawm cov khoom siv raw no txiav txim siab qhov purity ntawm hlau silicon.
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