Nkeji atọ iji mụta maka silicon carbide (SIC)

Okwu mmalite nkeSilicon Carbide

Silicon carbide (SIC) nwere njupụta nke 3.2g/cm3. Silikoni carbide eke dị ụkọ ma bụrụ nke a na-emepụta nke ọma site na usoro arụrụ arụ. Dabere na nhazi ọkwa kristal dị iche iche, silicon carbide nwere ike kewaa ụzọ abụọ: α SiC na β SiC. Ọgbọ nke atọ semiconductor nọchitere anya silicon carbide (SIC) nwere nnukwu ugboro, arụmọrụ dị elu, ike dị elu, nguzogide nrụgide dị elu, oke okpomọkụ na-eguzogide na ike radieshon. Ọ dabara maka mkpa atụmatụ dị mkpa nke nchekwa ike na mbelata ikuku, nrụpụta ọgụgụ isi na nchekwa ozi. Ọ bụ ịkwado nnwere onwe ọhụrụ na mmepe na mgbanwe nke ọgbọ ọhụrụ nkwukọrịta mobile, ụgbọ ala ike ọhụrụ, ụgbọ oloko ụgbọ oloko dị elu, ịntanetị ike na ụlọ ọrụ ndị ọzọ Ihe ndị bụ isi kwalitere na ngwa eletriki aghọwo ihe na-elekwasị anya nke nkà na ụzụ semiconductor zuru ụwa ọnụ na asọmpi ụlọ ọrụ. . N'afọ 2020, usoro akụ na ụba na azụmaahịa zuru ụwa ọnụ nọ n'oge ndozigharị, yana mpaghara ime na mpụga nke akụ na ụba China dị mgbagwoju anya na nke siri ike, mana ụlọ ọrụ semiconductor nke atọ n'ụwa na-eto eto megide omume ahụ. Ọ dị mkpa ka a mata na ụlọ ọrụ silicon carbide abanyela na ọkwa mmepe ọhụrụ.

Silicon carbidengwa

Ngwa Silicon carbide na ụlọ ọrụ semiconductor silicon carbide semiconductor ụlọ ọrụ yinye nke gụnyere silicon carbide ntụ ntụ dị ọcha, otu mkpụrụ kristal, epitaxial, ngwaọrụ ike, ngwugwu modul na ngwa ọnụ, wdg.

1. otu mkpụrụ kristal bụ ihe nkwado, ihe na-eduzi ihe na epitaxial uto mkpụrụ nke semiconductor. Ka ọ dị ugbu a, ụzọ uto nke SiC otu kristal gụnyere nnyefe gas nke anụ ahụ (PVT), usoro mmiri mmiri (LPE), oke ikuku kemịkalụ okpomọkụ (htcvd) na ndị ọzọ. 2. Epitaxial silicon carbide epitaxial mpempe akwụkwọ na-ezo aka na uto nke otu ihe nkiri kristal (epitaxial Layer) na ihe ụfọdụ chọrọ na otu nghazi dị ka mkpụrụ. N'ime ngwa bara uru, ngwaọrụ semiconductor gap wide band fọrọ nke nta ka ọ bụrụ ihe niile na oyi akwa epitaxial, na ibe silicon carbide n'onwe ha ka a na-eji naanị dị ka mkpụrụ, gụnyere Gan epitaxial layers.

3. ịdị ọcha dị eluSiCntụ ntụ bụ akụrụngwa maka uto nke silicon carbide otu kristal site na usoro PVT. Ọdịmma ngwaahịa ya na-emetụta ogo uto na akụrụngwa eletrik nke SiC otu kristal.

4. ngwaọrụ ike bụ nke silicon carbide, nke nwere njirimara nke nguzogide okpomọkụ dị elu, ugboro ugboro na arụmọrụ dị elu. Dị ka ụdị ọrụ nke ngwaọrụ ahụ si dị,SiCNgwa ike na-agụnyekarị diodes ike na tubes mgba ọkụ.

5. na ngwa semiconductor ọgbọ nke atọ, uru nke ngwa njedebe bụ na ha nwere ike imeju GaN semiconductor. N'ihi uru nke nrụpụta ngbanwe dị elu, njirimara ọkụ dị ala na ịdị arọ nke ngwaọrụ SiC, ọchịchọ nke ụlọ ọrụ ala na-aga n'ihu na-abawanye, nke nwere usoro nke dochie ngwaọrụ SiO2. Ọnọdụ ugbu a nke mmepe ahịa ahịa silicon carbide na-aga n'ihu na-etolite. Silicon carbide na-eduga ngwa ahịa mmepe semiconductor nke atọ. Ọgbọ nke atọ semiconductor ngwaahịa abanyela ngwa ngwa, mpaghara ngwa na-agbasawanye na-aga n'ihu, na ahịa na-eto ngwa ngwa na mmepe nke ngwá electronic ụgbọ ala, nkwurịta okwu 5g, ọkụ ọkụ ngwa ngwa na ngwa agha. .