Habka sifaynta 7N ee tellurium wuxuu isku daraa teknoolojiyadda sifaynta aagga iyo teknoolojiyadda crystallization-ka. Faahfaahinta habka muhiimka ah iyo cabbiraadaha ayaa lagu qeexay hoos:
1. Habka Sifaynta Aagga
Naqshadeynta Qalabka
Doomaha dhalaalaysa ee lakabka badan leh: Dhexroor 300-500 mm, dhererkeedu 50-80 mm, oo ka samaysan quartz nadiif ah ama garaafeed.
Nidaamka kuleyliyaha: Gariiradaha iska caabinta semi-wareega ah oo leh saxnaanta xakamaynta heerkulka ± 0.5C iyo heerkulka ugu sarreeya ee 850C.
Halbeegyada Furaha
Vacuum: ≤1×10⁻³ Pa oo dhan si looga hortago oksaydhka iyo wasakhowga.
Xawaaraha socdaalka aagga: 2-5 mm/saacaddii
Heerkulka gradient: 725± 5°C ee aagga hore ee dhalaalay, qaboojin ilaa <500°C ee cidhifka xiga.
Baasaska: 10-15 wareeg; hufnaanta ka saarista>99.9% wasakhda leh isugaynta kala soocida <0.1 (tusaale, Cu, Pb).
2. Habka Crystallization Jihada
Diyaarinta dhalaalidda
Qalabka: 5N tellurium waxaa lagu sifeeyay aaga sifaynta.
Shuruudaha dhalaalka: Waxay ku dhalaashay hoos gaas aan shaqaynayn (≥99.999% daahirnimo) at 500-520°C iyadoo la adeegsanayo kuleyliyaha soo noqnoqda ee soo noqnoqda.
Ilaalinta dhalaalidda: Daboolka garaafka saafiga ah ee sarreeya si loo xakameeyo isbeddelka; qoto dheer ee barkadda la shubay oo lagu ilaaliyo 80-120 mm.
Xakamaynta crystallization
Heerka kobaca: 1-3 mm/h oo leh heerkul toosan oo ah 30-50C/cm.
Nidaamka qaboojinta: saldhigga naxaasta ee biyaha lagu qaboojiyey ee loogu talagalay qaboojinta hoose ee qasabka ah; qaboojinta shucaaca ee sare.
Kala-soocidda wasakhda: Fe, Ni, iyo wasakhda kale ayaa lagu hodmay xudduudaha hadhuudhka kadib 3-5 wareegyo dib-u-dhal ah, hoos u dhigista isku-ururinta ilaa heerarka ppb.
3. Qiyaasaha Xakamaynta Tayada
Tixraaca Qiimaha Heerka Halbeegga
Nadiifadda kama dambaysta ah ≥99.99999% (7N)
Wadarta wasakhda birta ah ≤0.1 ppm
Ogsajiinta ku jirta ≤5 ppm
leexashada hanuuninta Crystal ≤2°
Iska caabin (300 K) 0.1-0.3 Ω·cm
Faa'iidooyinka Geedi socodka
Miisaanka: Doomaha dhalaalay ee aagagga lakabka badan waxay kordhiyaan awoodda dufcada 3-5 × marka la barbar dhigo naqshadaha caadiga ah.
Waxtar
Tayada crystal: Heerarka kobaca aadka u gaabis ah (<3 mm/h) waxay xaqiijiyaan cufnaanta kala-baxa hooseeya iyo daacadnimada hal-crystal.
7N tellurium-ka la safeeyey waxa uu muhiim u yahay codsiyada horumarsan, oo ay ku jiraan qalabka wax baadha ee infrared, unugyada cadceedda ee CdTe, iyo substrates semiconductor.
Tixraacyo:
tilmaami xogta tijaabada ah ee daraasado dib loo eegay oo ku saabsan nadiifinta tellurium.
Waqtiga boostada: Mar-24-2025