PbWO₄ Scintillator, Pwo Crystal, Pbwo4 Crystal, Pwo Scintillator

tlhaloso e khuts'oane:

Lead Tungstate - PWO (kapa PbWO₄) ke mochine o sebetsang hantle haholo oa gamma-ray ka lebaka la ho teteana ha eona ho phahameng le holimo ho Z. E boetse e potlakile haholo ka bolelele ba mahlaseli a makhutšoane haholo le radius ea moliere.

Re romelle lengolo-tsoibila

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Molemo

● Matla a matle a ho emisa

● Boima bo phahameng

● Matla a phahameng a mahlaseli

● Nako ea ho bola kapele

Kopo

● Positron Emission Tomography (PET)

● Fisiks ea sepakapaka e matla

● Nuklea e matla e matla

● Meriana ea nyutlelie

Thepa

Boima ba 'mele(g/cm³)	8.28
Nomoro ea Atomic (E sebetsang)	73
Bolelele ba Mahlaseli (cm)	0.92
Nako ea ho bola	6/30
Wavelength (Max. Emission)	440/530
Photoelectron Yield % of NaI(Tl)	0.5
Melting Point(°C)	1123
Hardness (Mho)	4
Refractive Index	2.16
Hygroscopic	No
Thermal Expansion Coeff.( C⁻¹)	10.0 x 10‾⁶
Sefofane sa Cleavage	(101)

Tlhaloso ea Sehlahisoa

Lead tungstate (PbWO₄/PWO) ke kristale ea scintillation e atisang ho sebelisoa litekong tsa fisiks ea matla a phahameng hammoho le lits'ebetsong tsa litšoantšo tsa bongaka tse kang PET (positron emission tomography) le CT (computed tomography).E 'ngoe ea lintho tse ka sehloohong tsa PWO, e na le sekhahla se phahameng, se lumellang PWO ho monya mahlaseli a gamma ka katleho ho feta likristale tse ling tsa scintillation.Ka lehlakoreng le leng, sena se fella ka karo-karolelano e phahameng ea mats'oao-ho-lerata le tharollo e ntle ea ho lemoha mahlaseli.Likristale tsa PWO li boetse li tsejoa ka linako tsa tsona tsa karabelo tse potlakileng, e leng se etsang hore li tšoanelehe bakeng sa lits'ebetso tsa ho fumana data ka lebelo le holimo.

Li boetse li hanyetsana le tšenyo ea mahlaseli le botsitso ba nako e telele, e leng se etsang hore e be khetho e ka tšeptjoang bakeng sa likopo tse thata tsa tikoloho.Leha ho le joalo, khanya e tlase e hlahisoang ke likristale tsa PWO ha e bapisoa le lisebelisoa tse ling tsa scintillation e fokotsa kutlo ea bona lits'ebetsong tse ling.Hangata likristale li lengoa ho sebelisoa mokhoa oa Czochralski 'me li ka bōptjoa ka mefuta e fapaneng ho latela kopo.Likristale tsa PWO scintillator li na le lintlha tse latelang tse lokelang ho hlokomeloa: PWO e na le khanya e tlase haholo.Li na le radioactive tse etsang hore e se amohelehe lits'ebetsong tse ling.Ba kotsing ea ho senyeha ha mahlaseli.Ho qala ka litekanyetso tse pakeng tsa 1 le 10 Gray (10² - 10³ rad).'Me e ka khutlisetsoa morao ka nako kapa ho haneloa.