Role of heavy metal oxides on the radiation attenuation properties of newly developed TBBE-X glasses by computational methods.
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2021
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Geant4simulationsandseveraltheoreticalapproachessuchasWinXCOMandESTARwereusedin this worktounderstandtheroleofheavymetaloxidesontheradiationattenuationfeaturesofnewly developedTBBE-Xglasseswhichareintheformof19.5TeO2-30B2O3-30BaO-0.5Er2O3-20X.HereXstandsforSrO,Al2O3,CdO,ZnO,PbOandBi2O3.AccordingtoX(modifieroxide),theglasssamples
werelabelledasTBBE-S,TBBE-A,TBBE-C,TBBE-Z,TBBE-P,andTBBE-B.Variousattenuation
features suchasmassattenuationcoefficient(MAC),buildupfactors,equivalentandeffectiveatomic
numbers,halfvaluelayer(HVL),andneutroncrosssectionwereinvestigated.Theinclusionofhigh
atomicnumberanddenseatomsinthemodifiers(PbOandBi2O3)inTBBE-PandTBBE-Bexplains
whytheenergyfortheonsetofincrementinMACwasearliestamongtheinvestigatedglasses.Ata
photonenergyof15keV,HVLof TBBE-S,TBBE-A,TBBE-Z,TBBE-C,TBBE-P,andTBBE-Bwere
4.67, 5.02, 4.40,3.91,3.53, and3.31cmrespectively.ItisfoundthattheTBBE-Xglasseshave
promisingshieldingpropertiesagainstgammaradiationcomparingtodifferentspeciesofcommercial
glasses andconcrete.TheoutcomesalsorevealthattheTBBE-Xspecimensarecomparativelybetter
shields against fastneutroncomparedtoclassicalshieldslikegraphite,water,andordinaryconcrete.
Therefore,theTBBE-Xglasseshavepromisingshieldingpropertiesandcanbeappliedinshielding
applications againstgammaraysandneutronsbeam
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42. Al-Buriahi, M. S., Alzahrani, J. S., Olarinoye, I. O., Akyildirim, H., Alomairy, S., Kebaili, I., ... & Mutuwong, C. (2021). Role of heavy metal oxides on the radiation attenuation properties of newly developed TBBE-X glasses by computational methods. Physica Scripta, 96(7), 075302.