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Effect of zinc oxide ceramics doped niobium at low temperature electrical properties of


llegeofTechnologyandIndustry, Shijiazhuang05009l,[link widoczny dla zalogowanych], China) Abstract: ThefilmofpolypyrrolewassynthesizedinthemixtureofNaN03andpyrrole, whichwasusedtomodifyTi02nanoscrystal-lineporousmembraneelectrodeandobvioussensitizingeffectwasobserved. Thesynthesizingconditionswhichcontributedtoeffectofsensitizationwerealsostudied. thesensitizationofelectrodewasstudiedbycomparingthePPyfilmwhichwaspreparedinTsO-withPPyfilmpreparedinN0electrolyte. Theresultsshowedthatthetypeandproperyofanionwasgreatlyrelatedtotheeffectofsensitization. ThemechanismofsensitizationeffectofpolypyrroleforTi02nanocrystaIIinefilmelectrodewasinvestigated. Keywords: Ti02nanostrcturedelectrode; photoelectrochemistry; sensitization; polypyrrole (on the next page No. 2l9) Studyonconductivecharacteristics,[link widoczny dla zalogowanych], OfZnOceramicsdopedniobiumatlowtemperatureJIYuan-ming, ZHANGJin-cang. ,[link widoczny dla zalogowanych], HAOXi-ping. (1_InstituteofMechanicsandBuildingEngineering, ChinaUniversityofMiningandTechnology, Beijing100083, China; 2.DepartmentofPhysics. ShanghaiUniversity. Shanghai200436. China; 3.DepartmentofPhysics, HenanScienceandTechnologyUniversity.Luoyang471003.China) Abstract: ThispaperpresentstheresultsofstudyofZnOconductiveceramicsdopedwithNb2O5atlowtemperature. TheexperimentresultsshowthatwiththeincreasingofNb2O5contents. resistivityreducedatlowtemperature. Thehighersinteringtemperature,[link widoczny dla zalogowanych], thesmallerresistivitywasforZnOsamplesindifferentsinteringtemperatures. Raisingthesinteringtime, theresistivitychangedsmallatthesamesinteringtemperature. Keywords: ZnOceramics; conductivitvecharacteristics; doped; lowtemperature

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