PbWO₄ Scintillator, Pwo Crystal, Pbwo4 Crystal, Pwo Scintillator

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Lead Tungstate - PWO (los yog PbWO₄) yog ib qho zoo heev gamma-ray absorber vim nws qhov ceev thiab Z siab heev.

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Product Detail

Khoom cim npe

Qhov zoo

● Zoo nres lub zog

● High ceev

● High irradiation siv

● Lub sijhawm lwj sai

Daim ntawv thov

● Positron Emission Tomography (PET)

● Siab zog qhov chaw physics

● Siab zog nuclear

● Nuclear tshuaj

Cov khoom

Qhov ceev (g / cm³)	8.28 ib
Atomic Number (muaj txiaj ntsig)	73
Radiation Ntev (cm)	0.92 ib
Decay Time(ns)	6/30
Wavelength (Max. Emission)	440/530 ib
Photoelectron Yield % ntawm 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
Cleavage Plane	(101)

Product Description

Lead tungstate (PbWO₄ / PWO) yog ib qho siv lead ua ci ntsa iab uas feem ntau siv hauv kev sim siab lub zog physics nrog rau hauv kev kho mob daim ntawv thov xws li PET (positron emission tomography) thiab CT (computed tomography) scanners.Ib qho ntawm cov khoom tseem ceeb ntawm PWO, nws muaj qhov ntom ntom ntom ntom, uas tso cai rau PWO nqus gamma rays zoo dua li lwm cov pob zeb ci ntsa iab.Nyob rau hauv lem, qhov no ua rau lub teeb liab-rau-suab nrov piv piv thiab zoo dua hluav taws xob nrhiav kom tau daws teeb meem.PWO crystals tseem paub txog lawv lub sijhawm teb ceev, uas ua rau lawv haum rau cov ntaub ntawv tau txais kev ceev ceev.

Lawv kuj tiv taus hluav taws xob puas tsuaj thiab kev ruaj ntseg mus ntev, ua rau lawv muaj kev ntseeg siab rau kev siv ib puag ncig hnyav.Txawm li cas los xij, qhov teeb pom kev tsawg tsawg ntawm PWO crystals piv nrog rau lwm cov ntaub ntawv scintillation txwv lawv qhov rhiab heev hauv qee daim ntawv thov.Crystals feem ntau loj hlob siv txoj kev Czochralski thiab tuaj yeem ua rau ntau hom nyob ntawm daim ntawv thov.PWO scintillator crystals muaj cov teeb meem hauv qab no uas yuav tsum tau sau tseg: PWO muaj cov teeb pom kev tsawg.Lawv yog cov xov tooj cua intrinsically ua rau nws tsis tsim nyog rau qee daim ntawv thov.Lawv yog cov raug hluav taws xob puas.Pib nrog koob tshuaj ntawm 1 thiab 10 Grey (10² - 10³ rad).Thiab reversible nrog lub sij hawm los yog annealing.