Tobias A. Teichtmeister, Alexander Hugo Bernhart, Klaus Wurst, Gunter Heymann, Hubert Huppertz
{"title":"硼酸镧镉的新多晶型系列 LnCdB6O10(OH)3 （Ln = Sm-Er）的高压/高温合成","authors":"Tobias A. Teichtmeister, Alexander Hugo Bernhart, Klaus Wurst, Gunter Heymann, Hubert Huppertz","doi":"10.1515/zkri-2024-0063","DOIUrl":null,"url":null,"abstract":"We report on the synthesis, structure determination, and characterization of a new series of compounds <jats:italic>Ln</jats:italic>CdB<jats:sub>6</jats:sub>O<jats:sub>10</jats:sub>(OH)<jats:sub>3</jats:sub> (<jats:italic>Ln</jats:italic> = Sm–Er). Syntheses were carried out in a Walker-type multianvil device at 7 GPa and 650 °C. Structure determinations revealed the coexistence of an orthorhombic and a monoclinic polymorph, depending on the ionic radius of the lanthanoid cation. The orthorhombic structural variants crystallize non-centrosymmetrically in the space group <jats:italic>Pna</jats:italic>2<jats:sub>1</jats:sub> (no. 33), while the monoclinic modifications crystallize in space group <jats:italic>P</jats:italic>2<jats:sub>1</jats:sub>/<jats:italic>c</jats:italic> (no. 14). Both modifications display a layered crystal structure built up by a repeating [B<jats:sub>6</jats:sub>O<jats:sub>13</jats:sub>]<jats:sup>8−</jats:sup> building block as their main structural feature.","PeriodicalId":23855,"journal":{"name":"Zeitschrift für Kristallographie - Crystalline Materials","volume":"26 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"High-pressure/high-temperature synthesis of a new polymorphic series of lanthanoid cadmium borates, LnCdB6O10(OH)3 (Ln = Sm–Er)\",\"authors\":\"Tobias A. Teichtmeister, Alexander Hugo Bernhart, Klaus Wurst, Gunter Heymann, Hubert Huppertz\",\"doi\":\"10.1515/zkri-2024-0063\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We report on the synthesis, structure determination, and characterization of a new series of compounds <jats:italic>Ln</jats:italic>CdB<jats:sub>6</jats:sub>O<jats:sub>10</jats:sub>(OH)<jats:sub>3</jats:sub> (<jats:italic>Ln</jats:italic> = Sm–Er). Syntheses were carried out in a Walker-type multianvil device at 7 GPa and 650 °C. Structure determinations revealed the coexistence of an orthorhombic and a monoclinic polymorph, depending on the ionic radius of the lanthanoid cation. The orthorhombic structural variants crystallize non-centrosymmetrically in the space group <jats:italic>Pna</jats:italic>2<jats:sub>1</jats:sub> (no. 33), while the monoclinic modifications crystallize in space group <jats:italic>P</jats:italic>2<jats:sub>1</jats:sub>/<jats:italic>c</jats:italic> (no. 14). Both modifications display a layered crystal structure built up by a repeating [B<jats:sub>6</jats:sub>O<jats:sub>13</jats:sub>]<jats:sup>8−</jats:sup> building block as their main structural feature.\",\"PeriodicalId\":23855,\"journal\":{\"name\":\"Zeitschrift für Kristallographie - Crystalline Materials\",\"volume\":\"26 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-03-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Zeitschrift für Kristallographie - Crystalline Materials\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1515/zkri-2024-0063\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Zeitschrift für Kristallographie - Crystalline Materials","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1515/zkri-2024-0063","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
High-pressure/high-temperature synthesis of a new polymorphic series of lanthanoid cadmium borates, LnCdB6O10(OH)3 (Ln = Sm–Er)
We report on the synthesis, structure determination, and characterization of a new series of compounds LnCdB6O10(OH)3 (Ln = Sm–Er). Syntheses were carried out in a Walker-type multianvil device at 7 GPa and 650 °C. Structure determinations revealed the coexistence of an orthorhombic and a monoclinic polymorph, depending on the ionic radius of the lanthanoid cation. The orthorhombic structural variants crystallize non-centrosymmetrically in the space group Pna21 (no. 33), while the monoclinic modifications crystallize in space group P21/c (no. 14). Both modifications display a layered crystal structure built up by a repeating [B6O13]8− building block as their main structural feature.
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