Investigation into phase formation of Nickel—Zinc ferrites by hydroxide coprecipitation
It was found that in the case of solutions which contain Ni 2+-, Zn 2+- and Fe 3+-ions in the molar ratio of Ni xZn 1−xFe 2O 4 ( x=0–1) a quantitative precipitation is possible. In the primary precipitation product, besides β-FeOOH. there is already a ferrite phase rich in zinc. Ageing the precipita...
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| Veröffentlicht in: | Ceramics international 1992, Vol.18 (5), p.317-320 |
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| container_title | Ceramics international |
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| creator | Fischer, St Michalk, C. Töpelmann, W. Scheler, H. |
| description | It was found that in the case of solutions which contain Ni
2+-, Zn
2+- and Fe
3+-ions in the molar ratio of Ni
xZn
1−xFe
2O
4 (
x=0–1) a quantitative precipitation is possible. In the primary precipitation product, besides β-FeOOH. there is already a ferrite phase rich in zinc. Ageing the precipitate, the β-FeOOH phase is transformed into ferrite, and the ferrite is crystallized. When the isolated powder is tempered at 350°C, further crystal growth occurs and the disturbances in the lattice are stopped.
Using XRD, Mössbauer spectroscopy and thermal analysis the formation process of Ni
0·5Zn
0·5Fe
2O
4 was investigated.
The influence of ageing of the precipitates in aqueous suspension and of tempering of the isolated solids on the formation of ferrite is described. |
| doi_str_mv | 10.1016/0272-8842(92)90080-W |
| format | Article |
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2+-, Zn
2+- and Fe
3+-ions in the molar ratio of Ni
xZn
1−xFe
2O
4 (
x=0–1) a quantitative precipitation is possible. In the primary precipitation product, besides β-FeOOH. there is already a ferrite phase rich in zinc. Ageing the precipitate, the β-FeOOH phase is transformed into ferrite, and the ferrite is crystallized. When the isolated powder is tempered at 350°C, further crystal growth occurs and the disturbances in the lattice are stopped.
Using XRD, Mössbauer spectroscopy and thermal analysis the formation process of Ni
0·5Zn
0·5Fe
2O
4 was investigated.
The influence of ageing of the precipitates in aqueous suspension and of tempering of the isolated solids on the formation of ferrite is described.</description><identifier>ISSN: 0272-8842</identifier><identifier>EISSN: 1873-3956</identifier><identifier>DOI: 10.1016/0272-8842(92)90080-W</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Applied sciences ; Building materials. Ceramics. Glasses ; Ceramic industries ; Chemical industry and chemicals ; Electrotechnical and electronic ceramics ; Exact sciences and technology ; Technical ceramics</subject><ispartof>Ceramics international, 1992, Vol.18 (5), p.317-320</ispartof><rights>1992</rights><rights>1993 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c364t-6d4987e642c683892fba3721ce4255cc37be02141af6936bd493d109aa9bee023</citedby><cites>FETCH-LOGICAL-c364t-6d4987e642c683892fba3721ce4255cc37be02141af6936bd493d109aa9bee023</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0272-8842(92)90080-W$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,4024,27923,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4431696$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Fischer, St</creatorcontrib><creatorcontrib>Michalk, C.</creatorcontrib><creatorcontrib>Töpelmann, W.</creatorcontrib><creatorcontrib>Scheler, H.</creatorcontrib><title>Investigation into phase formation of Nickel—Zinc ferrites by hydroxide coprecipitation</title><title>Ceramics international</title><description>It was found that in the case of solutions which contain Ni
2+-, Zn
2+- and Fe
3+-ions in the molar ratio of Ni
xZn
1−xFe
2O
4 (
x=0–1) a quantitative precipitation is possible. In the primary precipitation product, besides β-FeOOH. there is already a ferrite phase rich in zinc. Ageing the precipitate, the β-FeOOH phase is transformed into ferrite, and the ferrite is crystallized. When the isolated powder is tempered at 350°C, further crystal growth occurs and the disturbances in the lattice are stopped.
Using XRD, Mössbauer spectroscopy and thermal analysis the formation process of Ni
0·5Zn
0·5Fe
2O
4 was investigated.
The influence of ageing of the precipitates in aqueous suspension and of tempering of the isolated solids on the formation of ferrite is described.</description><subject>Applied sciences</subject><subject>Building materials. Ceramics. Glasses</subject><subject>Ceramic industries</subject><subject>Chemical industry and chemicals</subject><subject>Electrotechnical and electronic ceramics</subject><subject>Exact sciences and technology</subject><subject>Technical ceramics</subject><issn>0272-8842</issn><issn>1873-3956</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><recordid>eNp9kM1KAzEQx4MoWKtv4GEPInpYzVezyUWQ4hcUvSiil5DNzmp0u1mTtdibD-ET-iSmtngUAgOZ33-G-SG0S_ARwUQcY1rQXEpODxQ9VBhLnN-voQGRBcuZGol1NPhDNtFWjC84xRTHA_Rw1c4g9u7J9M63mWt7n3XPJkJW-zBdfvo6u3b2FZrvz69H19qshhBcDzEr59nzvAr-w1WQWd8FsK5z_W9sG23Upomws6pDdHd-dju-zCc3F1fj00lumeB9LiquZAGCUyskk4rWpWEFJRY4HY2sZUUJmBJOTC0UE2XCWUWwMkaVkDpsiPaXc7vg397TLXrqooWmMS3496jpqJBMSZJAvgRt8DEGqHUX3NSEuSZYLzzqhSS9kKRVeguP-j7F9lbzTbSmqYNprYt_Wc5ZUikSdrLEIN06cxB0tA5aC5VLVnpdeff_nh9Yxoja</recordid><startdate>1992</startdate><enddate>1992</enddate><creator>Fischer, St</creator><creator>Michalk, C.</creator><creator>Töpelmann, W.</creator><creator>Scheler, H.</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>1992</creationdate><title>Investigation into phase formation of Nickel—Zinc ferrites by hydroxide coprecipitation</title><author>Fischer, St ; Michalk, C. ; Töpelmann, W. ; Scheler, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c364t-6d4987e642c683892fba3721ce4255cc37be02141af6936bd493d109aa9bee023</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Applied sciences</topic><topic>Building materials. Ceramics. Glasses</topic><topic>Ceramic industries</topic><topic>Chemical industry and chemicals</topic><topic>Electrotechnical and electronic ceramics</topic><topic>Exact sciences and technology</topic><topic>Technical ceramics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fischer, St</creatorcontrib><creatorcontrib>Michalk, C.</creatorcontrib><creatorcontrib>Töpelmann, W.</creatorcontrib><creatorcontrib>Scheler, H.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Ceramics international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fischer, St</au><au>Michalk, C.</au><au>Töpelmann, W.</au><au>Scheler, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation into phase formation of Nickel—Zinc ferrites by hydroxide coprecipitation</atitle><jtitle>Ceramics international</jtitle><date>1992</date><risdate>1992</risdate><volume>18</volume><issue>5</issue><spage>317</spage><epage>320</epage><pages>317-320</pages><issn>0272-8842</issn><eissn>1873-3956</eissn><abstract>It was found that in the case of solutions which contain Ni
2+-, Zn
2+- and Fe
3+-ions in the molar ratio of Ni
xZn
1−xFe
2O
4 (
x=0–1) a quantitative precipitation is possible. In the primary precipitation product, besides β-FeOOH. there is already a ferrite phase rich in zinc. Ageing the precipitate, the β-FeOOH phase is transformed into ferrite, and the ferrite is crystallized. When the isolated powder is tempered at 350°C, further crystal growth occurs and the disturbances in the lattice are stopped.
Using XRD, Mössbauer spectroscopy and thermal analysis the formation process of Ni
0·5Zn
0·5Fe
2O
4 was investigated.
The influence of ageing of the precipitates in aqueous suspension and of tempering of the isolated solids on the formation of ferrite is described.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/0272-8842(92)90080-W</doi><tpages>4</tpages></addata></record> |
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| ispartof | Ceramics international, 1992, Vol.18 (5), p.317-320 |
| issn | 0272-8842 1873-3956 |
| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Applied sciences Building materials. Ceramics. Glasses Ceramic industries Chemical industry and chemicals Electrotechnical and electronic ceramics Exact sciences and technology Technical ceramics |
| title | Investigation into phase formation of Nickel—Zinc ferrites by hydroxide coprecipitation |
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