CaF2 (Eu) Scintillator, CaF2 (Eu) crystal, CaF2 (Eu) scintillation crystal
Amfani
● Kyakkyawan kayan aikin injiniya.
● Na'urar rashin kuzari.
● Rawanin bangon bango na asali.
● Ƙwaƙwalwar sauƙi mai sauƙi daban-daban na ƙirar ƙirar ƙirar bespoke.
● Mai ƙarfi ga zafin zafi da girgiza inji.
Aikace-aikace
● Gane hasken gamma
● Ganewar β-barbashi
Kayayyaki
| Yawan yawa (g/cm3) | 3.18 |
| Tsarin Crystal | Cubic |
| Lambar Atom (Tasiri) | 16.5 |
| Wurin narkewa (K) | 1691 |
| Ƙididdigar Ƙarfafa Ƙwararru (C-1) | 19.5x 10-6 |
| Cleavage Jirgin | <111> |
| Hardness (Mho) | 4 |
| Hygroscopic | No |
| Wavelength na Emission Max.(nm) | 435 |
| Fihirisar Refractive @ Emission Max | 1.47 |
| Lokacin Lalacewar Farko (ns) | 940 |
| Haihuwar Haske (hotuna/keV) | 19 |
Bayanin Samfura
CaF2:Eu kristal scintillator ne wanda ke fitar da haske lokacin da aka fallasa shi da hasken wuta mai ƙarfi.Lu'ulu'u sun ƙunshi alli fluoride tare da tsarin kristal mai cubic da ions europium da aka maye gurbinsu a cikin tsarin lattice.Bugu da ƙari na europium yana inganta halayen kristal, yana sa ya fi dacewa wajen canza radiation zuwa haske.CaF2:Eu yana da babban yawa da babban lambar atomic, wanda ya sa ya zama kayan aiki mai kyau don gano gamma-ray da bincike.Bugu da ƙari, yana da ƙuduri mai kyau na makamashi, ma'ana yana iya bambanta tsakanin nau'ikan radiation daban-daban dangane da matakan ƙarfin su.CaF2:Eu ne yadu amfani a likita Hoto, nukiliya kimiyyar lissafi da sauran aikace-aikace bukatar high yi radiation ganowa.
CaF2:Eu scintillator crystals - batutuwan da ya kamata a sani: Saboda ƙarancin ƙarancinsa da ƙarancin Z, yana da ƙarancin haske lokacin da yake hulɗa tare da hasken gamma mai ƙarfi.Yana da bandeji mai kaifi a 400nm wanda wani bangare ya mamaye band din watsi da scintillation.
Gwajin Aiki
[1]Bakan fitarwa:"Emission_at_327nm_excitation_1" yayi daidai da auna bakan haske mai walƙiya da ke fitowa daga kristal lokacin farin ciki da haske a 322 nm (tare da slitwidth 1.0 nm akan monochromator tushen).
Matsakaicin tsayin tsayin bakan shine 0.5 nm (tsayin mai nazari).
[2]Bakan ban sha'awa:"excitation_at_424nm_emission_1_mo1" yayi daidai da auna ma'aunin haske da aka fitar a tsayayyen tsayin 424 nm (0.5nm slitwidth akan mai nazari) yayin da ake duba tsawon hasken tashin hankali (0.5nm slitwidth akan monochrome).
Mai ɗaukar hoto (ƙidaya a cikin daƙiƙa guda) yana aiki da kyau ƙasa da jikewa don haka ma'auni na tsaye, ko da yake na sabani, suna layi ne.
Kodayake bakan watsi da shuɗi na Eu: CaF2 daga masana'antun daban-daban iri ɗaya ne, mun gano cewa bakan motsawa tsakanin 240 da 440 nm na iya bambanta sosai tsakanin masana'antun daban-daban:
kowane masana'anta yana da nasa halayen sa hannun sa hannu / "sawun yatsa".Muna zargin bambance-bambancen suna nuna matakan ƙazanta / lahani / oxidation (valence) jihohi daban-daban
-saboda yanayin girma daban-daban da kuma kawar da Eu: CaF2 crystal.
