简介：Themainlycharacteristicoftrappingmaterialsisthetrapdepth.Soitissignificanttocalculatethetrapdepthforthetrappingmaterials.Anewmethodofcalculatingtrapdepth,whichisbasedonenergybandandusingrateequationstoanalyzethermoluminescence,wasbroughtforward.Thismethodwhichusestherateequationsoftheprocessandthethermoluminescencecurvecanreplacetraditionalmethodssuchasfirstorderorsecondorderkinetics.ThetrapdepthofSrAl2O4:Eu2+,Dy3+andSr4Al14O25:Eu2+,Dy3+wasestimatedfromtheglowcurve.Thenthenumevicalsolutionofthetrapdepthcanbeobtained.Fromtheresultsofexperimentsandcalculations,thismethodcanaccuratelyindicatethewholeprocess.

简介：AnovelsolidsolutionCe6MoO15wasachieved.Theirstructureandoxideionicconductivitywerestudied.BasedonCe6MoO15,rareearthelementsubstitutiononceriumsiteshowsthatallresultingoxidesenhancetheconductivityfurther,andhavehighoxide-ionconductivity,whichmaybeakindofpromisingmaterialforSOFCs.

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简介：NanosizedBaCeo.95Yo.o5O3-δpowderswiththehomogeneouscompositionweresynthesizedbyanewcombustionprocessbasedonthePechinimethod.Apolymericprecursorsolwasformedbyuseofcitricacidandethyleneglycolasthechelatingagentsofmetalions.Theperovskite-typeBaCeo.95Yo.o5O3-δpowderswithuniformshapeandsmallerthan40nminsizedwereobtainedthroughthecombustionofthepolymericprecursorsolattheexistenceofnitricacidandammoniumhydroxide.Itwasfoundtheparticlesizecouldbecontrolledbymodulatingthequantitiesofnitricacidandammoniumhydroxide,thequantitiesoftheresidue,carbonateionswerealsoaffectedbythequantitiesofthecitricacidandethyleneglycol.

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