LuAG:Ce Scintillator, LuAG:Crestal, LuAG Scintillation Crystal
Uru
● Na-abụghị hygroscopic
● Àgwà scintillating kwụsiri ike
● Oge ire ere ngwa ngwa
Ngwa
● Ihe onyonyo X ray
● Ihuenyo onyonyo
● Positron Emission Tomography (PET)
Njirimara
Sistemụ kristal | Kubik |
Njupụta (g/cm3) | 6.73 |
Isi ike (Mho) | 8.5 |
Ebe mgbaze (℃): | 2020 |
Mkpụrụ ọkụ (foto/keV) | 25 |
Mkpebi Ike (FWHM) | 6.5% |
Oge mmebi (ns) | 70 |
Ogologo ogologo etiti | 530 |
Ogologo ogologo (nm): | 475-800 |
Nọmba atomic dị irè | 63 |
Isi ike (Mho) | 8.0 |
Ọnụọgụ Mgbasawanye ọkụ (C⁻¹) | 8.8 x 10 |
Ogologo radieshon(cm): | 1.3 |
Hygroscopic | No |
Nkọwa ngwaahịa
LuAG:Ce (Lutetium Aluminum Garnet-Lu3Al5O12:Ce) kristal scintillator dị ntakịrị njupụta (6.73g/cm³), nwere Z (63) dị elu ma nwee oge ire ere ngwa ngwa (70ns).Site na mpụta kacha elu nke 530nm, LuAG: Ce mmepụta dabara nke ọma na photodiodes avalanche photodiodes APDs na silicon photomultipliers (SiPM).Ọ bụ ihe kristal sịntetị nke nwere usoro cubic nke a na-ejikarị dị ka ihe nchọpụta scintillation na ngwa sayensị dị iche iche, dị ka onyonyo ahụike na nchọpụta radieshon.Mgbe ekpughere ya na radieshon ionizing, LuAG:Ce na-ewepụta ọkụ, nke enwere ike ịchọpụta ma jiri ya mepụta onyonyo ma ọ bụ tụọ ọkwa radieshon.Ọ nwere ọtụtụ ihe ndị ọzọ magburu onwe ya, dị ka njupụta dị elu, nnukwu Zeff na ezigbo akụrụngwa.LuAG: Iberibe Ce mkpa yana FOP na CCD nwere ike tinye ya nke ọma na microscopy X-ray na micro-nano CT ebe a na-atụ anya mkpebi dị mma.N'ihi njupụta ya dị elu na nghọta ya na radieshon ike dị elu, LuAG:Ce bara uru karịsịa na ngwa chọrọ oke nkenke na nghọta, dị ka ọgwụ nuklia na physics ike dị elu.Na mgbakwunye, a maara LuAG: Ce maka mmepụta ọkụ ya dị elu, oge ire ere ngwa ngwa yana mkpebi ike dị mma, na-eme ka ọ bụrụ nhọrọ ama ama maka ndị na-achọpụta scintillation.Tụkwasị na nke a, kristal ndị a nwere ezigbo okpomọkụ.
LuAG: kristal Ce scintillator nwere okwu ndị a nke ekwesịrị ịdeba ama.Ha nwere ikuku ọkụ nke akụkụ dị mma dị n'elu 500nm, mpaghara ebe fotomultipliers na-enwechaghị mmetụta.
Ha na-eme ka ọ ghara ịnakwere maka ngwa ụfọdụ, yana nwee ike imebi mmebi radieshon, malite na doses n'etiti 1 na 10 Gray (10² - 10³ rad).Na-atụgharị site na oge ma ọ bụ ntughari.
Nlele arụmọrụ
Ce: LuAG
Mụ na Ce koodu LuAG
Pr: LuAG
Ozi nkwado
1)Ọnọdụ ule:Eji spectrometer Risø TL/OSL-15-B/C tụọ ihe nlegharị anya ọkụ ọkụ ọkụ.Ejiri β-ray gbazere ihe nlele ndị ahụ (90Sr dị ka isi iyi radieshon) maka 200 s yana ọnụego 0.1 Gy/s.Ọnụego kpo oku bụ 5 Celsius C / s site na 30 ruo 500 Celsius ma tinye otu ọkpụrụkpụ nke ihe nlele iji hụ na nsonaazụ ya yiri.
2)Kọwaa:enwere ike dezie foto niile;na-ezo aka na ụdịdị TL nke ndabere, mgbe nlele kpụ ọkụ n'ọnụ karịa 400 Celsius C n'ime 700-800 nm na-apụta ìhè ogbo ogbo (radieshon ojii);etinyere data izizi na ngwa.