Ipayipi elivalekile elinomshini wokuhlanza(VIP) idlala indima ebalulekile emikhakheni ehlukahlukene yobuchwepheshe obuphezulu, ikakhulukazi ezinhlelweni ze-molecular beam epitaxy (MBE).I-MBEkuyindlela esetshenziswa ukudala amakristalu e-semiconductor asezingeni eliphezulu, inqubo ebalulekile kuma-elekthronikhi esimanje, okuhlanganisa amadivayisi e-semiconductor, ubuchwepheshe be-laser, nezinto ezithuthukisiwe. Ukugcina amazinga okushisa aphansi kakhulu phakathi nalezi zinqubo kubalulekile, futhi ipayipi elivalekile elinokushisaubuchwepheshe buqinisekisa ukuthuthwa kahle koketshezi oluyi-cryogenic ukuze kulondolozwe lezo zimo ezidingekayo. Le bhulogi izohlola indima kanye nokubaluleka kwalokhuipayipi elivalekile elinokushisaezinhlelweni ze-MBE.

Kuyini i-Molecular Beam Epitaxy (I-MBE)?

I-epitaxy ye-molecular beam (I-MBE) inqubo elawulwa kakhulu yokutshala amafilimu amancane ezinto, evame ukusetshenziswa ekukhiqizweni kwama-semiconductor. Le nqubo yenzeka endaweni ene-vacuum ephezulu, lapho imisebe yama-athomu noma ama-molecule iqondiswa khona ku-substrate, okuvumela ukukhula kwezingqimba ngezingqimba kwamakristalu ngokulawula okunembile. Ukuze kugcinwe ubuqotho bale nqubo, kudingeka amazinga okushisa aphansi kakhulu, okuyilaphoipayipi elivalekile elinokushisaubuchwepheshe buba yinto ebalulekile.

Indima Ka-Ipayipi Elifakwe Umshini Ongangenisi Umswakama in I-MBE Izinhlelo

Ipayipi elivalekile elinomshini wokuhlanzaisetshenziswa ku-I-MBEizinhlelo zokuthutha uketshezi oluyi-cryogenic, njenge-nitrogen ewuketshezi noma i-helium ewuketshezi, ukuze kuphole izingxenye ezingaphakathi kohlelo. Lezi ziphuzo eziyi-cryogenic zibalulekile ekugcineni i-vacuum ephezulu kakhulu kanye nokulawula izinga lokushisaI-MBEizinhlelo zidinga ukusebenza kahle. Ngaphandle kokuvikela okusebenzayo, uketshezi oluyi-cryogenic luzofudumala ngokushesha, okuholela ekungazinzini kokushisa futhi kubeke engcupheni ikhwalithi yokukhula kwe-epitaxial.

Iipayipi elivalekile elinokushisakuqinisekisa ukulahlekelwa okuncane kokushisa ngesikhathi sokuthuthwa kwalezi ziketshezi ezi-cryogenic. Ingqimba ye-vacuum phakathi kwamapayipi angaphakathi nangaphandle isebenza njengesivikelo esisebenza kahle kakhulu, inciphisa ukudluliselwa kokushisa ngokuhambisa kanye nokudlulisa, okuyizimbangela eziyinhloko zokushintshashintsha kwezinga lokushisa ezinhlelweni ezi-cryogenic.

KunganiIpayipi Elifakwe Umshini Ongangenisi Umswakama KubalulekileI-MBE Izinhlelo

Ukunemba okuphezulu kuyadingeka kuI-MBEizinhlelo zenzaipayipi elivalekile elinokushisa isidingo. Ubuchwepheshe be-VIP bunciphisa ingozi yokubilisa uketshezi olucijile, okungaphazamisa ukupholisa kwesistimu kanye nokuzinza kwe-vacuum. Ngaphezu kwalokho, ukusetshenziswa kwamapayipi afakwe i-vacuum tincture kusiza ukunciphisa izindleko zamandla ngokunciphisa isidingo samandla okupholisa engeziwe, okuthuthukisa ukusebenza kahle kwesistimu iyonke.

Enye inzuzo yokusebenzisaipayipi elivalekile elinokushisakuI-MBEizinhlelo ziwukuthembeka kwazo kwesikhathi eside. Amapayipi aklanyelwe ukugcina ukufudumala isikhathi eside, ukuqinisekisa ukusebenza okuqhubekayo ezindaweni ezibucayi kakhulu njengeI-MBE.

Isiphetho:Ipayipi Elifakwe Umshini Ongangenisi Umswakama UkuthuthukisaI-MBE Ukusebenza Kwesistimu

Ukuhlanganiswa kweipayipi elivalekile elinokushisakuI-MBEizinhlelo zibalulekile ekugcineni ukunemba okuphezulu kanye nokuzinza okudingwa yilezi zinqubo. Ngokunciphisa ukudluliselwa kokushisa, ubuchwepheshe be-VIP buqinisekisa ukuthi uketshezi oluyi-cryogenic luhlala emazingeni okushisa aphansi adingekayo, lukhuthaza ukukhula kwe-semiconductor okuhle kakhulu futhi lunciphise izindleko zokusebenza.I-MBEubuchwepheshe buyaqhubeka nokuthuthuka, indimaipayipi elivalekile elinokushisaukusekela lezi zinqubo kuzohlala kubalulekile.