In Situ Synchrotron X-Ray Diffraction Study of the Rhombohedral-to-HT-Cubic Phase Transformation in Ln6WO12 (Ln = Y, Ho, Er, Yb)
The high‐temperature rhombohedral‐to‐fcc phase transformation in the Ln6WO12 (Ln = Y, Ho, Er, Yb) system was investigated by thermal analysis and in situ X‐ray diffraction. The process was characterized by thermodynamic, kinetic, and mechanistic criteria, and the role of the rare‐earth cation on the...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2014-04, Vol.97 (4), p.1256-1263 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Apostolov, Zlatomir D. Sarin, Pankaj Hughes, Robert W. Kriven, Waltraud M. |
| description | The high‐temperature rhombohedral‐to‐fcc phase transformation in the Ln6WO12 (Ln = Y, Ho, Er, Yb) system was investigated by thermal analysis and in situ X‐ray diffraction. The process was characterized by thermodynamic, kinetic, and mechanistic criteria, and the role of the rare‐earth cation on the transformation properties trends was evaluated. An atomistic perspective on the accompanying structural change is presented, as well as a characterization of the associated shape and volume changes. A twofold comparison is performed with the similar low‐temperature fcc‐to‐rhombohedral transformation in the same system. One aspect contrasts the structural changes related to each process, manifested by the behavior of the lattice parameters and transformation characteristics. The second concerns the sequence of transformations according to composition and suggests the order of thermal stability of Ln polyhedra in each phase. |
| doi_str_mv | 10.1111/jace.12744 |
| format | Article |
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Am. Ceram. Soc</addtitle><description>The high‐temperature rhombohedral‐to‐fcc phase transformation in the Ln6WO12 (Ln = Y, Ho, Er, Yb) system was investigated by thermal analysis and in situ X‐ray diffraction. The process was characterized by thermodynamic, kinetic, and mechanistic criteria, and the role of the rare‐earth cation on the transformation properties trends was evaluated. An atomistic perspective on the accompanying structural change is presented, as well as a characterization of the associated shape and volume changes. A twofold comparison is performed with the similar low‐temperature fcc‐to‐rhombohedral transformation in the same system. One aspect contrasts the structural changes related to each process, manifested by the behavior of the lattice parameters and transformation characteristics. The second concerns the sequence of transformations according to composition and suggests the order of thermal stability of Ln polyhedra in each phase.</description><subject>Cations</subject><subject>Diffraction</subject><subject>Erbium</subject><subject>Phase transformations</subject><subject>Polyhedrons</subject><subject>Rare earth metals</subject><subject>Transformations</subject><subject>X-rays</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNo9kU1v1DAQhiMEEkvhwi-wOBVpXTJOnI8Dh2rZNq1WFHUXlZ4sxxkrLlm7tR1Bbvx00l3EXGZsPc8c5k2S95CewVyfHqTCM2Blnr9IFsA5UFZD8TJZpGnKaFmx9HXyJoSH-Ql1lS-SP1eWbE0cyXayqvcuemfJD3orJ_LFaO2limb-2caxm4jTJPZIbnu3b12PnZcDjY42O7oaW6PIt14GJDsvbdDO7-VBNZZsbHF3A4ycbiz5TO6XpHFLsvZLct9-fJu80nII-O5fP0m-X6x3q4Zubi6vVucbaljNc4qsk8BQI8M8w1RVoKsaOl3zqtIlVi1UvMO2lmWuu1ym3XyCrFOZ1LLVrcyzk-TDca8L0YigTETVK2ctqigAClaUMEOnR-jRu6cRQxR7ExQOg7ToxiCAZ5BCUXM-o3BEf5kBJ_HozV76SUAqnoMQz0GIQxDi-ny1PkyzQ4-OCRF__3ek_ymKMiu5uPt6KZr8Ygv8uhFN9hfnSosa</recordid><startdate>201404</startdate><enddate>201404</enddate><creator>Apostolov, Zlatomir D.</creator><creator>Sarin, Pankaj</creator><creator>Hughes, Robert W.</creator><creator>Kriven, Waltraud M.</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><scope>OTOTI</scope></search><sort><creationdate>201404</creationdate><title>In Situ Synchrotron X-Ray Diffraction Study of the Rhombohedral-to-HT-Cubic Phase Transformation in Ln6WO12 (Ln = Y, Ho, Er, Yb)</title><author>Apostolov, Zlatomir D. ; Sarin, Pankaj ; Hughes, Robert W. ; Kriven, Waltraud M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i2954-e2da12efe2e43e0c81f891df9588f7e8b185deb9a74fd4a0d7443dc3afabfba43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Cations</topic><topic>Diffraction</topic><topic>Erbium</topic><topic>Phase transformations</topic><topic>Polyhedrons</topic><topic>Rare earth metals</topic><topic>Transformations</topic><topic>X-rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Apostolov, Zlatomir D.</creatorcontrib><creatorcontrib>Sarin, Pankaj</creatorcontrib><creatorcontrib>Hughes, Robert W.</creatorcontrib><creatorcontrib>Kriven, Waltraud M.</creatorcontrib><creatorcontrib>Brookhaven National Laboratory (BNL)</creatorcontrib><collection>Istex</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>OSTI.GOV</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Apostolov, Zlatomir D.</au><au>Sarin, Pankaj</au><au>Hughes, Robert W.</au><au>Kriven, Waltraud M.</au><au>Vanderah, T.</au><aucorp>Brookhaven National Laboratory (BNL)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In Situ Synchrotron X-Ray Diffraction Study of the Rhombohedral-to-HT-Cubic Phase Transformation in Ln6WO12 (Ln = Y, Ho, Er, Yb)</atitle><jtitle>Journal of the American Ceramic Society</jtitle><addtitle>J. Am. Ceram. Soc</addtitle><date>2014-04</date><risdate>2014</risdate><volume>97</volume><issue>4</issue><spage>1256</spage><epage>1263</epage><pages>1256-1263</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><abstract>The high‐temperature rhombohedral‐to‐fcc phase transformation in the Ln6WO12 (Ln = Y, Ho, Er, Yb) system was investigated by thermal analysis and in situ X‐ray diffraction. The process was characterized by thermodynamic, kinetic, and mechanistic criteria, and the role of the rare‐earth cation on the transformation properties trends was evaluated. An atomistic perspective on the accompanying structural change is presented, as well as a characterization of the associated shape and volume changes. A twofold comparison is performed with the similar low‐temperature fcc‐to‐rhombohedral transformation in the same system. One aspect contrasts the structural changes related to each process, manifested by the behavior of the lattice parameters and transformation characteristics. The second concerns the sequence of transformations according to composition and suggests the order of thermal stability of Ln polyhedra in each phase.</abstract><cop>United States</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/jace.12744</doi><tpages>8</tpages></addata></record> |
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| ispartof | Journal of the American Ceramic Society, 2014-04, Vol.97 (4), p.1256-1263 |
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| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Cations Diffraction Erbium Phase transformations Polyhedrons Rare earth metals Transformations X-rays |
| title | In Situ Synchrotron X-Ray Diffraction Study of the Rhombohedral-to-HT-Cubic Phase Transformation in Ln6WO12 (Ln = Y, Ho, Er, Yb) |
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