Sintesa dan karakterisasi BaTiO3 dengan reaksi padatan berdasarkan pengaruh waktu sintering / oleh Zuyina Afwa
| Main Author: | Afwa, Zuyina |
|---|---|
| Format: | Thesis NonPeerReviewed |
| Terbitan: |
, 2007
|
| Subjects: | |
| Online Access: |
http://repository.um.ac.id/20979/ |
Daftar Isi:
- SyntesaandcaracteristicthefenoelectricmaterialBaTiOrhasbeendonebybulkreactiondepenodnitdiferentofsinteringtime.Sinteringisanthermalprocessby1200CtemperatureforeachsamplesF.orknowingthebeststructureofcrystalthecaractenzrlionisdonebythemethodsofdiffractionofX-RaysQRD).ThisanalyzemethodsisdonewithcalculatetherodconstantaandtheFWHM(FullllidthatHalfMaximum)valuefromeachbulkreactionproductdependonsinteringtimeinfluence.Thematerialhasbeenpreparebymanyprocessasmixingrefinedandcalcinationwith8000Ctemperatureithasanthermalprocessformakingthecarbonboundinggone.Thesecondrefinedneededforthecrystalstructurehadbeenbetter.Andthematerialhavetopressbybulkandsinteredfor5hour10hourand15hour.ThecaracteristicisdonebythemethodsofdiffiactionofX-RaysQ(R.D).AllcurvefromthisbulkreactionproductitshowninpeaksandhasbeenanalyzedforcalculatetherodconstantaoneachsamplesofmaterialferroelectricBaTiO3CaracteristicproductshownthatthebulkreactioncouldbemadebyBaCO3wiihTiO2producedBaTiOr.Itcouldbetakenrodconstantaasfollowsl.Samplelsinterintgime5hourhadvalueab40198A40358A.2.SamplelIsinteringtimel0hourhadvalueab-40135Ac4018A.3.SampleUIsinteringtimeI5hourhadvaluear40189At40193A.WhiletheFWHM(FuilWidthatHalfMaximum)valuehasanharmoniousvalueforeachsample0540A0350A0250A.I-tredependencoensinteringtimeinfluenceforFWHMvalueshownthatforthesinteringtimethathadbeenlongertheFWHMvaluesmaller.ililrtii