LuAG: Ce Scintillator, LuAG: Ce Crystal, LuAG Scintillation Crystal
Amfani
● Mara-hygroscopic
● Scantillating halaye
● Saurin lalata lokaci
Aikace-aikace
● Hoton X ray
● Allon hoto
● Positron Emission Tomography (PET)
Kayayyaki
| Tsarin Crystal | Cubic |
| Yawan yawa (g/cm3) | 6.73 |
| Hardness (Mho) | 8.5 |
| Wurin narkewa (℃): | 2020 |
| Haihuwar Haske (hotuna/keV) | 25 |
| Ƙimar Makamashi (FWHM) | 6.5% |
| Lokacin Lalacewa (ns) | 70 |
| Tsawon Tsayin Tsakiya | 530 |
| Rage Tsawon Tsayin (nm): | 475-800 |
| Lambar atomic mai inganci | 63 |
| Hardness (Mho) | 8.0 |
| Ƙididdigar Faɗaɗɗen Ƙarƙashin Ƙarƙashin Ƙira (C⁻¹) | 8.8 x 10 |
| Tsawon Radiation (cm): | 1.3 |
| Hygroscopic | No |
Bayanin Samfura
LuAG:Ce (Lutetium Aluminum Garnet-Lu3Al5O12:Ce) lu'ulu'u na scintillator suna da ƙarancin yawa (6.73g/cm³), suna da babban Z (63) kuma suna da lokacin lalatawar aa (70ns).Tare da mafi girman fitarwa na 530nm, LuAG: Ce fitarwa ya dace sosai da photodiodes avalanche photodiodes APDs da silicon photomultipliers (SiPM).Abu ne na roba na roba tare da tsari mai siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar nau'i.Lokacin da aka fallasa zuwa radiation ionizing, LuAG:Ce yana fitar da haske, wanda za'a iya gano shi kuma a yi amfani dashi don ƙirƙirar hotuna ko auna matakan radiation.Yana da wasu kyawawan kaddarorin, kamar babban yawa, babban Zeff da kyawawan kayan inji.LuAG:Ce bakin bakin yanki haɗe tare da FOP da CCD za a iya amfani da su da kyau a cikin na'urar daukar hoto na X-ray da micro-nano CT inda ake sa ran kyakkyawan ƙudurin sararin samaniya.Saboda girman girmansa da bayyanannunsa ga hasken wutar lantarki mai ƙarfi, LuAG:Ce yana da amfani musamman a aikace-aikacen da ke buƙatar daidaito da hankali, kamar magungunan nukiliya da kimiyyar lissafi mai ƙarfi.Bugu da ƙari, LuAG:Ce sananne ne don fitowar haske mai girma, saurin lalacewa, da kyakkyawan ƙudurin makamashi, wanda ya sa ya zama sanannen zaɓi don gano abubuwan scintillation.Bugu da ƙari, waɗannan lu'ulu'u suna da kyawawan kaddarorin zafin jiki.
LuAG:Ce scintillator crystals suna da batutuwa masu zuwa waɗanda yakamata a lura dasu.Suna da iskar haske wanda sashi mai kyau ya fi 500nm, yankin da masu daukar hoto ba su da hankali.
Suna da radiyo a zahiri suna sa shi rashin karbuwa ga wasu aikace-aikace, kuma suna iya kamuwa da lalacewar radiation, farawa da allurai tsakanin 1 zuwa 10 Gray (10² - 10³ rad).Mai juyawa tare da lokaci ko annealing.
Gwajin Aiki
Ce: LuAG
Ni da Ce codeped LuAG
Pr: LuAG
Bayanin Taimako
1)Yanayin gwaji:An auna bakan luminescence mai zafin zafi tare da na'urar sikirin Risø TL/OSL-15-B/C.An lalata samfuran tare da β-ray (90Sr a matsayin tushen radiation) na 200 s tare da adadin 0.1 Gy/s.Adadin dumama ya kasance 5 ° C/s daga 30 zuwa 500 ° C kuma an sanya kauri iri ɗaya don tabbatar da kwatankwacin sakamako.
2)Misali:za a iya gyara duk hoto;koma zuwa bakan TL na bango, lokacin da samfurin yayi zafi sama da 400 ° C a cikin 700-800 nm sun fito ne daga matakin matakin haske (baƙar fata-jiki);an ƙara bayanan asali a cikin kayan haɗi.
