Yog vim li cas Boron Nitride, uas muaj ib tug zoo xws li cov qauv rau Graphene, yog tsis-conductive

Boron nitride yog structurally zoo li graphene, nrog tib hexagonal lattice qauv. Txawm li cas los xij, txawm hais tias nws cov qauv zoo sib xws, boron nitride tsis yog conductive zoo li graphene. Qhov no feem ntau yog vim qhov sib txawv ntawm lawv cov qauv siv hluav taws xob.

Hauv graphene, muaj ob lub zog hluav taws xob sib tshuam ntawm Dirac point, uas ua rau muaj qhov tshwj xeeb ntawm graphene. Lub conduction band thiab valence band sib ntsib ntawm Dirac taw tes, tsim kom muaj lub zog xoom, tso cai rau cov hluav taws xob txav mus los ntawm cov khoom siv.

Hauv qhov sib piv, boron nitride muaj qhov sib txawv ntawm lub zog ntawm nws cov valence thiab conduction bands. Qhov no txhais tau hais tias nws yuav tsum muaj zog ntau dua rau cov hluav taws xob kom dhia los ntawm valence band mus rau lub conduction band, ua rau nws tsis tshua muaj conductive. Tsis tas li ntawd, kev sib raug zoo ntawm boron thiab nitrogen atoms muaj zog thiab ruaj khov dua li ntawm cov pa roj carbon atoms hauv graphene, ua rau muaj qhov tsis zoo.

Txawm hais tias nws tsis muaj hluav taws xob conductivity, boron nitride muaj lwm yam khoom tshwj xeeb xws li thermal conductivity, tshuaj stability, thiab siab mechanical zog, uas ua rau nws yog ib qho kev cog lus rau ntau yam kev siv hauv electronics, lub zog cia, thiab lwm yam.

Nyob rau hauv xaus, thaum boron nitride tej zaum yuav muaj ib tug structurally zoo li lattice rau graphene, nws cov hluav taws xob band qauv yog qhov txawv, ua rau nws cov khoom uas tsis yog-conductive. Txawm li cas los xij, nws cov khoom tshwj xeeb ua rau nws muaj txiaj ntsig zoo hauv nws txoj cai.

Shengyang New Material Co., Ltd. tau cog lus rau kev tsim cov boron nitride thiab boron nitride ua cov khoom, thiab tuaj yeem kho ntau yam boron nitride insulating ceramic qhov chaw raws li cov neeg siv khoom xav tau. Tiv tauj peb yog tias tsim nyog.
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