Synthesis,Crystal Structural and Electrical Conductivity Properties of Fe-Doped Zinc Oxide Powders at High Temperatures
The synthesis,crystal structure and electrical conductivity properties of Fe-doped ZnO powders（in the range of 0.25-15 mol%） were reported in this paper.I-phase samples,which were indexed as single phase with a hexagonal（wurtzite） structure in the Fe-doped ZnO binary system,were determined by X-ray...
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| description | The synthesis,crystal structure and electrical conductivity properties of Fe-doped ZnO powders（in the range of 0.25-15 mol%） were reported in this paper.I-phase samples,which were indexed as single phase with a hexagonal（wurtzite） structure in the Fe-doped ZnO binary system,were determined by X-ray diffraction（XRD）.The solubility limit of Fe in the ZnO lattice is 3 mol% at 950℃.The above mixed phase was observed.And the impurity phase was determined as the cubic-ZnFe 2 O 4 phase when compared with standard XRD data using the PDF program.This study focused on single I-phase ZnO samples which were synthesized at 950℃ because the limit of the solubility range is the widest at this temperature.The lattice parameters a and c of the I-phase decreased with Fe-doping concentration.The morphology of the I-phase samples was analyzed with a scanning electron microscope.The grain size of the I-phase samples increased with heat treatment and doping concentration.The electrical conductivity of the pure ZnO and single I-phase samples was investigated using the four-probe dc method at 100-950℃ in air atmosphere.The electrical conductivity values of pure ZnO,0.25 and 3 mol% Fe-doped ZnO samples at 100℃ were 2×10-6,1.7×10-3 and 6.3×10-4 S.cm-1,and at 950℃ they were 3.4,8.5 and 4 S.cm-1,respectively. |
| doi_str_mv | 10.1016/S1005-0302(12)60052-8 |
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Turkoglu, Orhan</creator><creatorcontrib>Colak, Hakan ; Turkoglu, Orhan</creatorcontrib><description>The synthesis,crystal structure and electrical conductivity properties of Fe-doped ZnO powders（in the range of 0.25-15 mol%） were reported in this paper.I-phase samples,which were indexed as single phase with a hexagonal（wurtzite） structure in the Fe-doped ZnO binary system,were determined by X-ray diffraction（XRD）.The solubility limit of Fe in the ZnO lattice is 3 mol% at 950℃.The above mixed phase was observed.And the impurity phase was determined as the cubic-ZnFe 2 O 4 phase when compared with standard XRD data using the PDF program.This study focused on single I-phase ZnO samples which were synthesized at 950℃ because the limit of the solubility range is the widest at this temperature.The lattice parameters a and c of the I-phase decreased with Fe-doping concentration.The morphology of the I-phase samples was analyzed with a scanning electron microscope.The grain size of the I-phase samples increased with heat treatment and doping concentration.The electrical conductivity of the pure ZnO and single I-phase samples was investigated using the four-probe dc method at 100-950℃ in air atmosphere.The electrical conductivity values of pure ZnO,0.25 and 3 mol% Fe-doped ZnO samples at 100℃ were 2×10-6,1.7×10-3 and 6.3×10-4 S.cm-1,and at 950℃ they were 3.4,8.5 and 4 S.cm-1,respectively.</description><identifier>ISSN: 1005-0302</identifier><identifier>EISSN: 1941-1162</identifier><identifier>DOI: 10.1016/S1005-0302(12)60052-8</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Electrical conductivity ; 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Turkoglu, Orhan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-2217477acff4191bf80d5d1fec08f4f601e03b339a8bf823c91c585c6cf7448d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Electrical conductivity</topic><topic>Electrical resistivity</topic><topic>Four point probe method</topic><topic>II-VI semiconductors</topic><topic>Iron</topic><topic>Resistivity</topic><topic>Scanning electron microscopy</topic><topic>Solubility</topic><topic>Synthesis</topic><topic>Zinc oxide</topic><topic>Zinc oxide and doped zinc oxide</topic><topic>ZnO粉体</topic><topic>合成样品</topic><topic>导电性能</topic><topic>扫描电子显微镜</topic><topic>晶体结构</topic><topic>氧化锌</topic><topic>铁掺杂</topic><topic>高温</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Colak, Hakan</creatorcontrib><creatorcontrib>Turkoglu, Orhan</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of materials science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Colak, Hakan</au><au>Turkoglu, Orhan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis,Crystal Structural and Electrical Conductivity Properties of Fe-Doped Zinc Oxide Powders at High Temperatures</atitle><jtitle>Journal of materials science & technology</jtitle><addtitle>Journal of Materials Science ＆ Technology</addtitle><date>2012-03-01</date><risdate>2012</risdate><volume>28</volume><issue>3</issue><spage>268</spage><epage>274</epage><pages>268-274</pages><issn>1005-0302</issn><eissn>1941-1162</eissn><abstract>The synthesis,crystal structure and electrical conductivity properties of Fe-doped ZnO powders（in the range of 0.25-15 mol%） were reported in this paper.I-phase samples,which were indexed as single phase with a hexagonal（wurtzite） structure in the Fe-doped ZnO binary system,were determined by X-ray diffraction（XRD）.The solubility limit of Fe in the ZnO lattice is 3 mol% at 950℃.The above mixed phase was observed.And the impurity phase was determined as the cubic-ZnFe 2 O 4 phase when compared with standard XRD data using the PDF program.This study focused on single I-phase ZnO samples which were synthesized at 950℃ because the limit of the solubility range is the widest at this temperature.The lattice parameters a and c of the I-phase decreased with Fe-doping concentration.The morphology of the I-phase samples was analyzed with a scanning electron microscope.The grain size of the I-phase samples increased with heat treatment and doping concentration.The electrical conductivity of the pure ZnO and single I-phase samples was investigated using the four-probe dc method at 100-950℃ in air atmosphere.The electrical conductivity values of pure ZnO,0.25 and 3 mol% Fe-doped ZnO samples at 100℃ were 2×10-6,1.7×10-3 and 6.3×10-4 S.cm-1,and at 950℃ they were 3.4,8.5 and 4 S.cm-1,respectively.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/S1005-0302(12)60052-8</doi><tpages>7</tpages></addata></record> |
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| subjects | Electrical conductivity Electrical resistivity Four point probe method II-VI semiconductors Iron Resistivity Scanning electron microscopy Solubility Synthesis Zinc oxide Zinc oxide and doped zinc oxide ZnO粉体 合成样品 导电性能 扫描电子显微镜 晶体结构 氧化锌 铁掺杂 高温 |
| title | Synthesis,Crystal Structural and Electrical Conductivity Properties of Fe-Doped Zinc Oxide Powders at High Temperatures |
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