A new approach for the determination of multiple cation locations and ordering, using the example of natural and heat-treated columbites
A new approach is proposed to determine unambiguously the location of four cations within the crystal structure of a natural AB2O6 columbite‐type compound and derivatives, when submitted to order–disorder transitions caused by heat treatments. This method is based on the successive use of electron m...
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| Veröffentlicht in: | Journal of applied crystallography 2011-08, Vol.44 (4), p.738-746 |
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| container_issue | 4 |
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| container_title | Journal of applied crystallography |
| container_volume | 44 |
| creator | Kinast, E. J. Isnard, O. da Cunha, J. B. M. de Vasconcellos, M. A. Z. dos Santos, C. A. |
| description | A new approach is proposed to determine unambiguously the location of four cations within the crystal structure of a natural AB2O6 columbite‐type compound and derivatives, when submitted to order–disorder transitions caused by heat treatments. This method is based on the successive use of electron microprobe analysis to determine the cation concentration, Mössbauer spectroscopy to identify the Fe occupation, and a crystal structure determination of the samples combining Rietveld refinements of both neutron and X‐ray diffraction. This approach is tested successfully to investigate (Fe, Mn, Nb, Ta) natural minerals as well as oxides obtained by heat treatment of the initial AB2O6 columbite‐type compound. |
| doi_str_mv | 10.1107/S0021889811023211 |
| format | Article |
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J. ; Isnard, O. ; da Cunha, J. B. M. ; de Vasconcellos, M. A. Z. ; dos Santos, C. A.</creator><creatorcontrib>Kinast, E. J. ; Isnard, O. ; da Cunha, J. B. M. ; de Vasconcellos, M. A. Z. ; dos Santos, C. A.</creatorcontrib><description>A new approach is proposed to determine unambiguously the location of four cations within the crystal structure of a natural AB2O6 columbite‐type compound and derivatives, when submitted to order–disorder transitions caused by heat treatments. This method is based on the successive use of electron microprobe analysis to determine the cation concentration, Mössbauer spectroscopy to identify the Fe occupation, and a crystal structure determination of the samples combining Rietveld refinements of both neutron and X‐ray diffraction. This approach is tested successfully to investigate (Fe, Mn, Nb, Ta) natural minerals as well as oxides obtained by heat treatment of the initial AB2O6 columbite‐type compound.</description><identifier>ISSN: 1600-5767</identifier><identifier>ISSN: 0021-8898</identifier><identifier>EISSN: 1600-5767</identifier><identifier>DOI: 10.1107/S0021889811023211</identifier><language>eng</language><publisher>5 Abbey Square, Chester, Cheshire CH1 2HU, England: International Union of Crystallography</publisher><subject>Cations ; columbite ; Condensed Matter ; Crystal structure ; Crystallography ; Derivatives ; Heat treating ; Heat treatment ; Iron ; Materials Science ; natural samples ; Occupation ; Order disorder ; Oxides ; Physics ; wodginite</subject><ispartof>Journal of applied crystallography, 2011-08, Vol.44 (4), p.738-746</ispartof><rights>International Union of Crystallography, 2011</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4681-136a9c34ec68474ad2134de048b08f46274301da24c1d5c1cc170f2f44e9b4833</citedby><cites>FETCH-LOGICAL-c4681-136a9c34ec68474ad2134de048b08f46274301da24c1d5c1cc170f2f44e9b4833</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1107%2FS0021889811023211$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1107%2FS0021889811023211$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,780,784,885,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://hal.science/hal-00989291$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Kinast, E. 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This method is based on the successive use of electron microprobe analysis to determine the cation concentration, Mössbauer spectroscopy to identify the Fe occupation, and a crystal structure determination of the samples combining Rietveld refinements of both neutron and X‐ray diffraction. This approach is tested successfully to investigate (Fe, Mn, Nb, Ta) natural minerals as well as oxides obtained by heat treatment of the initial AB2O6 columbite‐type compound.</description><subject>Cations</subject><subject>columbite</subject><subject>Condensed Matter</subject><subject>Crystal structure</subject><subject>Crystallography</subject><subject>Derivatives</subject><subject>Heat treating</subject><subject>Heat treatment</subject><subject>Iron</subject><subject>Materials Science</subject><subject>natural samples</subject><subject>Occupation</subject><subject>Order disorder</subject><subject>Oxides</subject><subject>Physics</subject><subject>wodginite</subject><issn>1600-5767</issn><issn>0021-8898</issn><issn>1600-5767</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkc1u1DAQgCMEEqXwANwsLgiJgMf22s5xWcEWtJR_9Wh5nQnr4sSLndD2DXhsvA2qEBy4eMaj75uRPVX1EOgzAKqef6KUgdaNLjfGGcCt6ggkpfVCSXX7j_xudS_nc0pBKsaOqp9LMuAFsft9itbtSBcTGXdIWhwx9X6wo48DiR3ppzD6fUDi5lKIc5KJHVoSU4vJD1-fkimXcN0CL21_EIpc2kzJhmt0h3asx1RObImLYeq3fsR8v7rT2ZDxwe94XH159fLz6qTevFu_Xi03tRNSQw1c2sZxgU5qoYRtGXDRIhV6S3UnJFOCU2gtEw7ahQPnQNGOdUJgsxWa8-Pqydx3Z4PZJ9_bdGWi9eZkuTGHGqWNblgDP6Cwj2e2fM73CfNoep8dhmAHjFM2DZOcCspFIR_9RZ7HKQ3lIUYrTSUwvigQzJBLMeeE3c18oOawRfPPFoujZ-fCB7z6v2DerD6u1gvQB7WeVZ9HvLxRbfpmpOJqYc5O1-aMvn8h4MNbc8p_Ac5NrfI</recordid><startdate>20110801</startdate><enddate>20110801</enddate><creator>Kinast, E. 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A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A new approach for the determination of multiple cation locations and ordering, using the example of natural and heat-treated columbites</atitle><jtitle>Journal of applied crystallography</jtitle><addtitle>J. Appl. Cryst</addtitle><date>2011-08-01</date><risdate>2011</risdate><volume>44</volume><issue>4</issue><spage>738</spage><epage>746</epage><pages>738-746</pages><issn>1600-5767</issn><issn>0021-8898</issn><eissn>1600-5767</eissn><abstract>A new approach is proposed to determine unambiguously the location of four cations within the crystal structure of a natural AB2O6 columbite‐type compound and derivatives, when submitted to order–disorder transitions caused by heat treatments. This method is based on the successive use of electron microprobe analysis to determine the cation concentration, Mössbauer spectroscopy to identify the Fe occupation, and a crystal structure determination of the samples combining Rietveld refinements of both neutron and X‐ray diffraction. This approach is tested successfully to investigate (Fe, Mn, Nb, Ta) natural minerals as well as oxides obtained by heat treatment of the initial AB2O6 columbite‐type compound.</abstract><cop>5 Abbey Square, Chester, Cheshire CH1 2HU, England</cop><pub>International Union of Crystallography</pub><doi>10.1107/S0021889811023211</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of applied crystallography, 2011-08, Vol.44 (4), p.738-746 |
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| language | eng |
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| subjects | Cations columbite Condensed Matter Crystal structure Crystallography Derivatives Heat treating Heat treatment Iron Materials Science natural samples Occupation Order disorder Oxides Physics wodginite |
| title | A new approach for the determination of multiple cation locations and ordering, using the example of natural and heat-treated columbites |
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