Njengohlobo olusha lwezinto ze-semiconductor, i-SiC isibe yinto ebaluleke kakhulu ye-semiconductor yokukhiqiza amadivayisi e-optoelectronic angama-short-length, amadivayisi okushisa okuphezulu, amadivayisi okumelana nemisebe kanye namadivayisi kagesi anamandla aphezulu/anamandla aphezulu ngenxa yezakhiwo zayo ezinhle kakhulu zomzimba nezamakhemikhali kanye nezakhiwo zikagesi. Ikakhulukazi uma isetshenziswa ngaphansi kwezimo ezinzima nezinzima, izici zamadivayisi e-SiC zidlula kakhulu ezamadivayisi e-Si kanye namadivayisi e-GaAs. Ngakho-ke, amadivayisi e-SiC kanye nezinhlobo ezahlukene zezinzwa ziye zaba ngenye yamadivayisi abalulekile kancane kancane, zidlala indima ebaluleke kakhulu.
Amadivayisi namasekethe e-SiC athuthuke ngokushesha kusukela ngawo-1980, ikakhulukazi kusukela ngo-1989 lapho i-wafer yokuqala ye-SiC substrate ingena emakethe. Kweminye imikhakha, njenge-diode ezikhipha ukukhanya, amadivayisi anamandla aphezulu kanye namadivayisi aphezulu, amadivayisi e-SiC asetshenziswe kabanzi kwezentengiselwano. Intuthuko ishesha. Ngemva kweminyaka ecishe ibe yi-10 yentuthuko, inqubo yedivayisi ye-SiC ikwazile ukukhiqiza amadivayisi ezentengiselwano. Izinkampani eziningana ezimelelwe yi-Cree ziqale ukunikeza imikhiqizo yezentengiselwano yamadivayisi e-SiC. Izikhungo zocwaningo zasekhaya kanye namanyuvesi nazo zenze impumelelo ejabulisayo ekukhuleni kwezinto ze-SiC kanye nobuchwepheshe bokukhiqiza amadivayisi. Nakuba izinto ze-SiC zinezakhiwo zomzimba nezamakhemikhali eziphakeme kakhulu, kanye nobuchwepheshe bedivayisi ye-SiC nabo buvuthiwe, kodwa ukusebenza kwamadivayisi namasekethe e-SiC akungcono kakhulu. Ngaphezu kwezinto ze-SiC kanye nenqubo yedivayisi kudingeka kuthuthukiswe njalo. Kufanele kwenziwe imizamo eyengeziwe yokuthi ungawasebenzisa kanjani amathuba ezinto ze-SiC ngokwenza ngcono isakhiwo sedivayisi ye-S5C noma ukuphakamisa isakhiwo sedivayisi esisha.
Okwamanje. Ucwaningo lwamadivayisi e-SiC lugxile kakhulu kumadivayisi ahlukene. Kuhlobo ngalunye lwesakhiwo sedivayisi, ucwaningo lokuqala luwukumane uthuthele isakhiwo sedivayisi se-Si noma se-GaAs esifanele ku-SiC ngaphandle kokwenza ngcono isakhiwo sedivayisi. Njengoba ungqimba lwe-oxide olungaphakathi lwe-SiC lufana ne-Si, okuyi-SiO2, kusho ukuthi amadivayisi amaningi e-Si, ikakhulukazi amadivayisi e-m-pa, angenziwa ku-SiC. Nakuba kuwukuthuthwa okulula nje, amanye amadivayisi atholiwe athole imiphumela eyanelisayo, futhi amanye amadivayisi asevele angene emakethe yefektri.
Amadivayisi e-SiC optoelectronic, ikakhulukazi ama-diode akhipha ukukhanya okuluhlaza okwesibhakabhaka (ama-LED e-BLU-ray), angene emakethe ekuqaleni kwawo-1990 futhi angamadivayisi okuqala e-SiC akhiqizwa ngobuningi. Ama-diode e-SiC Schottky ane-voltage ephezulu, ama-transistors e-SiC RF power, ama-SiC MOSFET nama-mesFET nawo atholakala kwezentengiselwano. Yiqiniso, ukusebenza kwayo yonke le mikhiqizo ye-SiC akubonakali kakhulu uma kuqhathaniswa nezinto ze-SiC, futhi ukusebenza okunamandla nokusebenza kwamadivayisi e-SiC kusadingeka kucwaningwe futhi kuthuthukiswe. Ukufakelwa okulula okunjalo ngokuvamile akukwazi ukusebenzisa ngokugcwele izinzuzo zezinto ze-SiC. Ngisho nasendabeni yezinzuzo ezithile zamadivayisi e-SiC. Amanye amadivayisi e-SiC akhiqizwa ekuqaleni awakwazi ukufana nokusebenza kwamadivayisi e-Si noma e-CaA afanele.
Ukuze siguqule kangcono izinzuzo zezimpawu zezinto ze-SiC zibe izinzuzo zamadivayisi e-SiC, okwamanje sifunda ukuthi singayithuthukisa kanjani inqubo yokukhiqiza amadivayisi kanye nesakhiwo samadivayisi noma sithuthukise izakhiwo ezintsha nezinqubo ezintsha zokuthuthukisa umsebenzi kanye nokusebenza kwamadivayisi e-SiC.
Isikhathi sokuthunyelwe: Agasti-23-2022