摻銪硼酸鹽玻璃制備與光譜性能研究.pdf

1、長春理工大學碩士學位論文摻銪硼酸鹽玻璃制備與光譜性能研究姓名：樂務(wù)時申請學位級別：碩士專業(yè)：材料物理與化學指導教師：呂景文20080401ABSTRACTDifferentsystemsandcompoundsofglassWCrl：gotbyfusionmethodunderhightemperatureinthisstudyTheseglassallwelredopedwithEu”ionsSpectralpropertiesoft

2、laeseglassweregotbymeasuringtheirabsorptionOrtransmittedexcitationandfhloresccnccspectrumSpectralpropertiesofEu”‘lorexlborateglassWereknownbycomputingbased011thetheoryofJ0andthedatatestedaboutE1廣dopedborateglassTheresult

3、sshowspectralpropertiesofEu3ionsa把theexcellentestinborateglasstheninsiliconglassandphosphateglassBasedOntheaboveresults，Eu’dopedborateglasswasclaooscnanditsmaincompositionswereSi02、A1203and13203thenapprovingitsphysical、c

4、hemical、mechanicalandspectralpropertiesbybeingdopedwithLi20、Na20、K20、Mgo、CaO、SrO、Y203、Dy203、Tb203andSO∞neresultsindicatethatt]uoresccncespectralcomponentsofEu3(10pexlborateglassmainlyarc5D一7F1(590hm)、5D曠_7F2(617rim)and5D

5、—F4(699nm)，thcstrongestpeakat’D一7F2Theexcitationspectraat618rimmainlycontainChargeTransferState(CTS)、240—300nm、absorptiontransitionfrom’Foto’Dj(J=I、2、3、4、5、6)andhigherenergylevels，andthekeypeakat390hm(from7Foto’L6)Theres

6、ultshowswavelengthinredband(，D一7F2)isdifferentindifferenthostbecauseofalkalimetalionsandalkaliearthmetalionsdopedTheintensitygraduallyincreasesbySrOCaOMgOOFK20_Ij20Na20Rarceaxthionscodopedalsoaffects011thespectrumpropert

7、iesofEu”dopedboraleglassesTheresultshowsitsspectrumpropertiescanbeimprovedbyseparatelyintroducingD廣OrYjionstoEu3dopedglass0nmccontraryitmakesthepropertiesbadtodopeseveralkindsofRareearthionstogetherKeywords：]Fusionmethod