Yuav Sib Nqus Modulation Ntxiv Txhim Kho Thermal Conductivity Ntawm Boron Nitride?
Nov 14, 2023
Sib nqus tuning tau pom cov txiaj ntsig tau zoo hauv kev txhim kho cov thermal conductivity ntawm ntau yam ntaub ntawv. Yog li ntawd, nws yog plausible tias magnetic tuning yuav txhim kho cov thermal conductivity ntawm boron nitride thiab. Boron nitride twb paub txog nws qhov tshwj xeeb thermal conductivity vim nws cov qauv siv lead ua tshwj xeeb, nrog anisotropic hexagonal khaubncaws sab nraud povtseg uas tso cai rau cov cua kub hloov mus rau nws lub dav hlau basal. Txawm li cas los xij, cov thermal conductivity ntawm boron nitride tseem tuaj yeem txhim kho los ntawm ntau txoj kev, xws li ua kom nws cov khoom siv lead ua zoo lossis txhim kho nws cov khoom sib txuas.
Sib nqus tuning muaj ib txoj hauv kev tshiab los txhim kho cov thermal conductivity ntawm boron nitride, qhov chaw sib nqus sab nraud tuaj yeem hloov kho cov kev taw qhia tig, ua rau kev sib haum xeeb ntawm electrons thiab phonons nyob rau hauv ib qho kev taw qhia, yog li txhim kho cov khoom thermal conductivity nyob rau hauv cov kev taw qhia. Cov kev tshawb fawb tsis ntev los no tau pom tias muaj peev xwm ntawm kev sib nqus hauv kev txhim kho cov thermal conductivity ntawm ntau yam ntaub ntawv, suav nrog graphene thiab hloov hlau dichalcogenides.
Yog li ntawd, nws yog ib qho tsim nyog los txiav txim siab tias kev sib nqus sib nqus tuaj yeem ua kom muaj zog ntxiv ntawm thermal conductivity ntawm boron nitride, ua rau nws yog ib qho khoom zoo nkauj dua rau ntau yam kev tswj xyuas thermal. Tsis tas li ntawd, cov txiaj ntsig zoo ntawm kev sib nqus sib nqus txuas ntxiv tshaj qhov kev txhim kho thermal conductivity, vim nws tuaj yeem cuam tshuam lwm yam khoom siv, xws li hluav taws xob conductivity thiab catalytic. Zuag qhia tag nrho, kev sib nqus sib nqus sawv cev yog ib txoj hauv kev zoo siab rau kev txhawb nqa lub peev xwm ntawm boron nitride, txhawb kev nce qib hauv kev txhim kho cov khoom siv hluav taws xob txuas ntxiv mus.
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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