Ibikoresho bya none bya C, N, B n'ibindi bikoresho fatizo bigezweho bitagira okiside, karubide ya silikoni ikozwe mu muyaga ni nini, ihendutse, ishobora kuvugwa ko ari emery cyangwa umucanga utagira ibara. Karubide ya silikoni ni kristalo ibonerana idafite ibara. None se imiterere n'imiterere ya silikoni ni iyihe?
Karubide ya silikoni ikozwe mu cyuma gishyushye munsi y'umuvuduko w'ikirere
Imiterere y'ibikoresho bya karubide ya silikoni ikozwe mu muvuduko w'ikirere:
Karubide ya silikoni ikoreshwa mu nganda ifite umuvuduko woroheje, icyatsi kibisi, ubururu n'umukara bitewe n'ubwoko n'ibikubiye mu myanda, kandi ubuziranenge buratandukanye kandi ubwisanzure buratandukanye. Imiterere ya silikoni ya silikoni igabanyijemo plutonium ifite ishusho ya diyama esheshatu na plutonium-sic ya cubic. Plutonium-sic ikora ubwoko butandukanye bw'ihinduka bitewe n'uburyo butandukanye bwo gutondeka kwa atome za karuboni na silikoni mu miterere ya kristu, kandi habonetse ubwoko burenga 70 bw'ihinduka. beta-SIC ihinduka alpha-SIC iri hejuru ya 2100. Uburyo bw'inganda bwa silikoni ya silikoni butunganywa n'umucanga wa quartz mwiza na coke ya peteroli mu itanura rirwanya. Ibice bya silikoni bya silikoni byatunganyijwe birashwanyaguzwa, gusukurwa kwa aside, gutandukanya rukuruzi, gusuzuma cyangwa guhitamo amazi kugira ngo hakorwe ubwoko butandukanye bw'ibice.
Ibiranga ibikoresho bya karubide ya silikoni ikozwe mu muvuduko w'ikirere:
Karubide ya silikoni ifite ubushobozi bwo kudahindagurika mu by'imiti, ubushobozi bwo gutwara ubushyuhe, ubushobozi bwo kwaguka k'ubushyuhe, ubushobozi bwo kudashira, bityo uretse gukoreshwa nabi, hari byinshi bikoreshwa: Urugero, ifu ya silikoni itwikiriwe ku rukuta rw'imbere rwa impeller ya turbine cyangwa silinda ifite uburyo bwihariye, bushobora kunoza ubushobozi bwo kudashira no kongera igihe cyo kubaho inshuro 1 kugeza kuri 2. Ikozwe mu bikoresho birwanya ubushyuhe, bito, bifite uburemere bworoshye, imbaraga nyinshi z'ibikoresho birwanya ubushyuhe, ikoreshwa ry'ingufu ni ryiza cyane. Karubide ya silikoni yo mu rwego rwo hasi (harimo hafi 85% SiC) ni deoxidizer nziza yo kongera umuvuduko wo gukora ibyuma no kugenzura byoroshye imiterere ya shimi kugira ngo inoze ubwiza bw'icyuma. Byongeye kandi, karubide ya silikoni ikoreshwa cyane mu gukora ibice by'amashanyarazi bya silicon carbone rods.
Karubide ya silikoni irakomeye cyane. Ubukomere bwa Morse ni 9.5, ikaba iya kabiri nyuma ya diyama ikomeye ku isi (10), ni semiconductor ifite ubushobozi bwo gutwara ubushyuhe bwiza, ishobora kurwanya oxidation ku bushyuhe bwinshi. Karubide ya silikoni ifite nibura ubwoko 70 bwa kristu. Karubide ya Plutonium-silicon ni isomer isanzwe ikora ku bushyuhe buri hejuru ya 2000 kandi ifite imiterere ya kristu ya hexagonal (isa na wurtzite). Karubide ya silikoni ya sintered munsi y'umuvuduko w'ikirere.
Ikoreshwa rya karubide ya silikoni mu nganda za semiconductor
Uruhererekane rw'inganda za silicon carbide semiconductor rurimo ahanini ifu ya silicon carbide ifite purity nyinshi, substrate imwe ya crystal, epitaxial sheet, ibice by'amashanyarazi, module packing na terminal applications.
1. Umubumbe w'ikirahure kimwe Umubumbe w'ikirahure kimwe ni ibikoresho bifasha mu gukwirakwiza umwuka, ibikoresho biyobora amashanyarazi n'umubumbe w'ikura ry'ikirahure cya epitaxial. Kuri ubu, uburyo bwo gukura bwa SiC kristu imwe burimo uburyo bwo kohereza umwuka usanzwe (PVT method), uburyo bwo gukora igice cy'amazi (LPE method), n'uburyo bwo gushyira umwuka ushyushye cyane (HTCVD method). Karubide ya silikoni ikozwe mu buryo bwa sintered munsi y'umuvuduko w'ikirere.
2. Urupapuro rwa Epitaxial Urupapuro rwa epitaxial rwa silicon carbide, urupapuro rwa silicon carbide, filime imwe ya kristu (urwego rwa epitaxial) ifite icyerekezo kimwe n'urwego rwa kristu rufite ibisabwa bimwe na bimwe kuri substrate ya silicon carbide. Mu bikorwa bifatika, ibikoresho bya semiconductor bya band gap hafi ya byose bikorwa muri epitaxial layer, kandi silicon chip ubwayo ikoreshwa gusa nk'urwego rwa kristu, harimo n'urwego rwa GaN epitaxial layer.
3. Ifu ya karubide ya silikoni ifite isuku nyinshi Ifu ya karubide ya silikoni ifite isuku nyinshi ni ibikoresho fatizo byo gukura kwa karubide imwe ya silikoni hakoreshejwe uburyo bwa PVT, kandi ubuziranenge bw'umusaruro bugira ingaruka zitaziguye ku bwiza bw'imikurire n'imiterere y'amashanyarazi ya karubide imwe ya silikoni.
4. Igikoresho cy'amashanyarazi ni imbaraga nini zikozwe mu bikoresho bya silikoni karubide, bifite imiterere y'ubushyuhe bwinshi, inshuro nyinshi n'imikorere myiza cyane. Dukurikije imiterere y'imikorere y'igikoresho, igikoresho cy'amashanyarazi cya SiC gikubiyemo ahanini diode y'amashanyarazi n'umuyoboro w'amashanyarazi.
5. Terminal Mu ikoreshwa rya semiconductor yo mu gisekuru cya gatatu, semiconductor za silicon carbide zifite akarusho ko kuba zuzuzanya na semiconductor za gallium nitride. Bitewe n'ubushobozi bwo guhindura ibintu cyane, imiterere yo gushyushya nke, ubworoheje n'ibindi byiza by'ibikoresho bya SiC, icyifuzo cy'inganda ziri mu nzira yo hasi kiracyakomeza kwiyongera, kandi hari icyerekezo cyo gusimbuza ibikoresho bya SiO2.
Igihe cyo kohereza: Kamena-16-2023