Ngwaahịa Pyrolytic Boron Nitride PBN
A na-emepụta Pyrolytic Boron Nitride (PBN) site na usoro a ma ama nke Chemical Vapor Deposition (CVD) nke gas amonia (NH3) na gaseous boron halide dị ka boron trichloride (BCI3) na-emeghachi omume na ọkụ CVD dị elu iji tinye. PBN na mkpụrụ kwesịrị ekwesị dị ka Pyrolytic Graphite.
A maara PBN dị ka nhọrọ magburu onwe ya maka ọkụ ọkụ dị elu na ngwa eletriki, semiconductor, na kristal ngwa ndakwa nri dị ka germanium (Ge), gallium arsenide (GaAs), na indium phosphate (InP) n'ihi ịdị ọcha dị n'ime ya. , na nkwụsi ike physicochemical. PBN nwere ike idi na 1800 Celsius na agụụ na 2000 Celsius C na nitrogen, na-ewebata ya dị ka nhọrọ dị mma maka ihe ọkụ ọkụ na arịa agbaze.
VGF crucible bụ ụdị arịa maka njikọ nke kristal nwere usoro gradient freeze (VGF), dị ka GaAs, InP, CZGaP, na Ge crystal.
Nhazi nke nwere akwa hexagonal crystal lattice
Njirimara pụrụ iche perpendicular na ụgbọ elu basal nke kristal
Nkwụsi ike n'ihe nhazi na physicochemical dị elu
Ọdịdị anisotropic
Nkwụsi ike dị elu nke thermal
Enweghị mmiri mmiri
Na-adịghị egbu egbu
Crucibles maka uto nke kristal semiconductor
Ọkụ ebili mmiri maka RF na microwave
Windows na-edobe radieshon microwave
Igwe mkpuchi eletrik
PBN nwere ihe pụrụ iche na nkwụsi ike n'ụdị na physicochemical nwere ike ịbụ nhọrọ kacha mma dị ka:
PBN crucibles maka usoro Vertical Gradient Freezing (VGF).
PBN crucibles maka Liquid Encapsulation Czochralski (LEC) usoro
Akpa PBN maka usoro Molecular Beam Epitaxy (MBE).
Ụgbọ mmiri PBN maka semiconductors compound na nhazi alloy
PBN Metal-Organic CVD (MOCVD) mkpuchi mkpuchi na mgbanaka mkpuchi MBE
PBN eletriki mkpuchi mkpuchi maka akụrụngwa na-ekpo ọkụ dị elu
PBN njem ebili mmiri tube (TWT) na gburugburu gburugburu
Ihe nyocha | Nsonaazụ (μg/g) | Ihe nyocha | Nsonaazụ (μg/g) |
Li | <0.005 | Si | 1.7 |
F | <0.005 | CI | <0.005 |
Na | <0.005 | S | <0.005 |
Nkwakọ ngwaahịa & Mbupu
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