Nzọụkwụ oghere Dia25.4×2.0mmt Sapphire oghere oghere anya
Ozi zuru ezu
Njirimara kemịkal nke sapphire kwụsiri ike na acids na alkalis anaghị emebi emebi. Isi ike nke sapphire dị oke elu, na ike Mohs nke 9, nke abụọ na diamond kacha sie ike. Ọ nwere ezigbo nnyefe ọkụ, conductivity thermal na eletriki mkpuchi, ezigbo igwe na akụrụngwa akụrụngwa, ma nwee njirimara nke nguzogide iyi na nguzogide ikuku. Oke ọrụ okpomọkụ bụ 1900 ℃.
N'ihi na ihe dị elu nke sapphire kristal dị elu nwere ezigbo nnyefe ọkụ na band 170nm ~ 6000 nm, nnyefe infrared fọrọ nke nta ka ọ ghara ịgbanwe na okpomọkụ, ya mere a na-eme ngwa anya ngwa anya na infrared transmittance Windows nke nwere sapphire artificial dị elu. sapphire artificial dị elu. A na-eji ya eme ihe n'ụzọ zuru ezu na akụrụngwa infrared ọhụụ nke abalị, ọdụ ụgbọ mmiri nyocha ụlọ nyocha dị ala, ngwa nkenke dị elu maka igodo, ikuku ikuku na mpaghara ndị ọzọ.
Njirimara na ngwa nke sapphire
1, Sapphire na ya kacha mma keukwu arụmọrụ, na-aghọ ndị kasị n'ọtụtụ ebe na-eji oxide mkpụrụ ihe (substrate ihe)
2, Ngwa ngwa anya, enyo elekere, windo anya, windo nchọpụta na ngwa ya
3, Sapphire fiber sensọ na ngwa ya
4, Doped sapphire otu kristal thermal (ìhè) luminescence ihe na ngwa ya
Nkọwapụta
Nkọwapụta sapphire | |
Usoro ọgwụ | Al2O3 |
Ọdịdị kristal | Sistemụ hexagonal |
Lattice na-adịgide adịgide | a = b=0.4758nm,c=1.2991nm α=β=90°,γ=120° |
Otu oghere | R3c |
Ọnụọgụ ụmụ irighiri ihe dị n'otu cell | 2 |
Ngwa anya | |
Mgbasa mgbasa ozi (μm) | 0.14-6 (N'etiti 0.3-5 nso T≈80%) |
dn/dt (/K @633nm) | 13x10-6 |
Ntụgharị ntụgharị | n0=1.768 ne=1.760 |
Ọnụọgụ absorption α | 3μm—0.0006 4μm—0.055 5μm—0.92 |
Ntụgharị uche n | 3μm—1.713 4μm—1.677 5μm—1.627 |