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1.Kev siv tseem ceeb ntawm cov khoom siv silicon

Hauv kev lag luam semiconductor, cov ntaub ntawv silicon feem ntau yog siv los tsim cov diodes / transistors, integrated circuits, rectifiers, thyristors, thiab lwm yam. Tshwj xeeb, diodes / transistors ua los ntawm cov ntaub ntawv silicon feem ntau yog siv hauv kev sib txuas lus, radar, tshaj tawm, TV, tswj tsis siv neeg. , lwm.;integrated circuits feem ntau yog siv nyob rau hauv ntau yam computers, kev sib txuas lus, broadcasting, tsis siv neeg tswj, hluav taws xob stopwatches, instruments, thiab meters, thiab lwm yam.;rectifiers feem ntau yog siv nyob rau hauv rectification;thyristors feem ntau yog siv rau hauv Rectifiers feem ntau yog siv rau kev kho kom zoo, DC kis tau tus mob, thiab kev faib tawm, hluav taws xob locomotives, khoom siv tswj tus kheej, siab zaus oscillators, thiab lwm yam .;ray detectors feem ntau yog siv rau atomic zog tsom xam, teeb pom kev quantum;hnub ci hlwb feem ntau yog siv nyob rau hauv lub tshav pob ntawm lub hnub ci zog tsim.

2.Puas muaj yav tom ntej nti khoom uas tuaj yeem hloov silicon?

Silicon yog cov khoom siv semiconductor siv dav tshaj plaws niaj hnub no, tab sis qhov tshwm sim ntawm graphene, hu ua "tus huab tais ntawm cov ntaub ntawv tshiab", tau coj ntau tus kws tshaj lij los kwv yees tias graphene tuaj yeem yog lwm txoj hauv kev zoo rau silicon, tab sis nws yuav nyob ntawm nws txoj kev lag luam. kev loj hlob.

Vim li cas graphene nyiam?Sib nrug los ntawm nws tus kheej cov khoom siv semiconductor, uas tsis yog qhov qis dua ntawm silicon, nws kuj muaj ntau yam zoo uas silicon tsis muaj.Raws li cov txheej txheem kev txwv rau silicon yog suav tias yog 10nm kab dav, hauv lwm lo lus, cov txheej txheem tsawg dua 10nm, qhov tsis ruaj khov ntawm cov khoom silicon yuav ntau dua thiab cov txheej txheem xav tau ntau dua.Yuav kom ua tiav qib siab ntawm kev sib koom ua ke thiab kev ua tau zoo, cov khoom siv semiconductor tshiab yuav tsum tau ua tiav, thiab graphene tshwm sim yog qhov kev xaiv zoo.Cov kws tshawb fawb tau pom cov nyhuv quantum Hall nyob rau hauv graphene ntawm chav tsev kub, thiab cov khoom tsis backscatter thaum nws ntsib impurities, qhia tias nws muaj zog hluav taws xob conductivity.Tsis tas li ntawd, graphene zoo li yuav luag pob tshab, thiab nws cov khoom kho qhov muag tsis yog tsuas yog zoo heev tab sis kuj hloov nrog lub thickness ntawm graphene.Cov cuab yeej no yog li txiav txim kom ua tau zoo rau kev siv hauv optoelectronics.

Tej zaum yog vim li cas rau qhov bullishness ntawm graphene kuj nyob ntawm nws tus kheej lwm yam: carbon nanomaterials.Cov pa roj carbon nanotubes yog seamless, hollow hlab ua los ntawm cov nplooj ntawv ntawm graphene dov mus rau hauv lub cev nrog tsis tshua muaj hluav taws xob conductivity thiab nyias phab ntsa.Raws li txoj cai, cov pa roj carbon nanotube nti yog me dua li silicon nti ntawm tib theem ntawm kev sib koom ua ke;Tsis tas li ntawd, carbon nanotubes lawv tus kheej tsim cov cua sov me me, uas, ua ke nrog lawv cov thermal conductivity zoo, tuaj yeem txo lub zog noj;thiab nyob rau hauv cov nqe lus ntawm tus nqi ntawm kev tau txais lub ntsiab carbon, nws tsis yog nyuaj kom tau cov ntaub ntawv carbon, muab nws dav faib thiab sib npaug zos cov ntsiab lus nyob rau hauv lub ntiaj teb no.

Tau kawg, graphene tam sim no tau siv rau hauv cov ntxaij vab tshaus, roj teeb, thiab cov khoom siv hnav, thiab cov kws tshawb fawb tau ua tiav qhov kev tshawb fawb no, tab sis tag nrho, yog tias graphene yog los hloov silicon tiag tiag thiab ua cov khoom siv tseem ceeb rau cov chips, kev siv zog ntau dua yuav ua tau. yuav tsum muaj nyob rau hauv cov txheej txheem tsim khoom thiab kev siv tshuab ntawm cov cuab yeej txhawb nqa.