GAGG: Ce Scintillator, GAGG Crystal, GAGG Scintillation Crystal
Uru
● Ike nkwụsị nke ọma
● Ọcha dị elu
● Ọkụkụ na-adịchaghị ala
● Oge ire ere ngwa ngwa
Ngwa
● Igwefoto Gamma
● PET, PEM, SPECT, CT
● Nchọpụta X-ray & Gamma ray
● Nnyocha akpa ume dị elu
Njirimara
| Ụdị | GAGG-HL | GAGG Balance | GAGG-FD |
| Sistemụ kristal | Kubik | Kubik | Kubik |
| Njupụta (g/cm3) | 6.6 | 6.6 | 6.6 |
| Mkpụrụ ọkụ (foto/kev) | 60 | 50 | 30 |
| Oge mmebi (ns) | ≤150 | ≤90 | ≤48 |
| Ogologo ogologo nke etiti (nm) | 530 | 530 | 530 |
| Ebe mgbaze (℃) | 2105 ℃ | 2105 ℃ | 2105 ℃ |
| Ọnụ ahịa atọmịk | 54 | 54 | 54 |
| Mkpebi ike | 5% | 6% | 7% |
| Igwe ọkụ nke onwe | No | No | No |
| Hygroscopic | No | No | No |
Nkọwa ngwaahịa
GAGG: Ce (Gd3Al2Ga3O12) gadolinium aluminum gallium garnet doped na cerium.Ọ bụ scintillator ọhụrụ maka otu foton emission computed tomography (SPECT), gamma-ray na nchọpụta elektrọn Compton.Cerium doped GAGG:Ce nwere ọtụtụ ihe na-eme ka ọ dabara maka gamma spectroscopy na ngwa onyonyo ahụike.Mmụba foton dị elu na mpụta ihe dị gburugburu 530 nm na-eme ka ihe ahụ dabara nke ọma ka ndị nchọpụta Silicon Photo-multiplier gụpụta ya.Epic crystal mepụtara ụdị 3 nke GAGG: Ce kristal, na oge ire ere ngwa ngwa (GAGG-FD) kristal, kristal (GAGG-Balance) kristal, mmepụta ọkụ dị elu (GAGG-HL) kristal, maka ndị ahịa nọ n'ọhịa dị iche iche.GAGG: Ce bụ ihe na-ekwe nkwa scintillator dị elu n'ọhịa ụlọ ọrụ ike dị elu, mgbe e gosipụtara ya na ule ndụ n'okpuru 115kv, 3mA na isi iyi radieshon dị na 150 mm dị anya site na kristal, mgbe awa 20 gachara, arụmọrụ ahụ fọrọ nke nta ka ọ bụrụ otu ihe ahụ dị ka nke ọhụrụ. otu.Ọ pụtara na ọ nwere atụmanya dị mma iguzogide oke dose n'okpuru irradiation X-ray, n'ezie ọ dabere na ọnọdụ irradiation na ọ bụrụ na ọ ga-aga n'ihu na GAGG maka NDT ọzọ ọ dị mkpa ka a na-eduzi ule ziri ezi.N'akụkụ otu GAGG: kristal Ce, anyị nwere ike ịmepụta ya n'usoro ahịrị na akụkụ 2, enwere ike nweta nha pixel na nkewa dabere na ihe achọrọ.Anyị emepụtala teknụzụ maka seramiiki GAGG: Ce, ọ nwere oge nkwụsịtụ n'otu oge (CRT), oge ire ere ngwa ngwa na mmepụta ọkụ dị elu.
Mkpebi ike: GAGG Dia2"x2", 8.2% Cs137@662Kev
Arụmọrụ glow
Ọrụ mmepụta ọkụ
Mkpebi oge: Oge ire ere ngwa ngwa Gagg
(a) Mkpebi oge: CRT=193ps (FWHM, windo ike: [440keV 550keV])
(a) Mkpebi oge Vs.voltaji ele anya: (window ike: [440keV 550keV])
Biko mara na mpụta kacha elu nke GAGG bụ 520nm ebe ihe mmetụta SiPM emebere maka kristal nwere ikuku kacha elu 420nm.PDE maka 520nm dị 30% ala ma e jiri ya tụnyere PDE maka 420nm.Enwere ike imeziwanye CRT nke GAGG site na 193ps (FWHM) ruo 161.5ps (FWHM) ma ọ bụrụ na PDE nke sensọ SiPM maka 520nm ga-adaba na PDE maka 420nm.
