ngwaahịa

LuAG:Ce Scintillator, LuAG:Crestal, LuAG Scintillation Crystal

nkowa nkenke:

LuAG:Ce bụ ihe scintillation dị ntakịrị ma dịkwa ngwa ngwa, ọ nwere ezigbo akụrụngwa gụnyere oke njupụta, oge ire ere ngwa ngwa, oke okpomọkụ na-eguzogide, kemịkalụ na ike igwe dị mma.


Nkọwa ngwaahịa

Mkpado ngwaahịa

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

LuAG1

Ce: LuAG

LuAG2

Mụ na Ce koodu LuAG

LuAG3

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.

LuAG4

ndabere


  • Nke gara aga:
  • Osote:

  • Dee ozi gị ebe a ziga anyị ya