Thermal Reactions of Hydrated Hexagonal RPO4·nH2O (R=Tb or Dy, n=0.5 to 1)
The thermal reactions of hydrated hexagonal RPO4·nH2O (R=Tb or Dy, n=0.5 to 1) were studied at 20° to 1800°C in air under atmospheric pressure. The hydrated hexagonal forms were dehydrated at 180° to 250°C. Thereafter, no significant changes in structure were seen up to 800°C (R=Tb) or 700°C (R=Dy)....
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| Veröffentlicht in: | Journal of the American Ceramic Society 1988-07, Vol.71 (7), p.C-354-C-355 |
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| container_end_page | C-355 |
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| container_issue | 7 |
| container_start_page | C-354 |
| container_title | Journal of the American Ceramic Society |
| container_volume | 71 |
| creator | Hikichi, Yasuo Sasaki, Toshio Suzuki, Suguru Murayama, Kyouhei Miyamoto, Masaaki |
| description | The thermal reactions of hydrated hexagonal RPO4·nH2O (R=Tb or Dy, n=0.5 to 1) were studied at 20° to 1800°C in air under atmospheric pressure. The hydrated hexagonal forms were dehydrated at 180° to 250°C. Thereafter, no significant changes in structure were seen up to 800°C (R=Tb) or 700°C (R=Dy). The water corresponding to nH2O was zeolitic water. Anhydrous hexagonal RPO4 gradually transformed into the monazite structure at 900°C (R=Tb) or 800°C (R=Dy), then into the xenotime structure at temperatures above 1100°C (R=Tb) or 900°C (R=Dy). |
| doi_str_mv | 10.1111/j.1151-2916.1988.tb05940.x |
| format | Article |
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The hydrated hexagonal forms were dehydrated at 180° to 250°C. Thereafter, no significant changes in structure were seen up to 800°C (R=Tb) or 700°C (R=Dy). The water corresponding to nH2O was zeolitic water. Anhydrous hexagonal RPO4 gradually transformed into the monazite structure at 900°C (R=Tb) or 800°C (R=Dy), then into the xenotime structure at temperatures above 1100°C (R=Tb) or 900°C (R=Dy).</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/j.1151-2916.1988.tb05940.x</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Condensed matter: structure, mechanical and thermal properties ; Exact sciences and technology ; Inorganic compounds ; Physics ; Salts ; Structure of solids and liquids; crystallography ; Structure of specific crystalline solids</subject><ispartof>Journal of the American Ceramic Society, 1988-07, Vol.71 (7), p.C-354-C-355</ispartof><rights>1989 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1151-2916.1988.tb05940.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1151-2916.1988.tb05940.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,777,781,1412,27905,27906,45555,45556</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=7301226$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Hikichi, Yasuo</creatorcontrib><creatorcontrib>Sasaki, Toshio</creatorcontrib><creatorcontrib>Suzuki, Suguru</creatorcontrib><creatorcontrib>Murayama, Kyouhei</creatorcontrib><creatorcontrib>Miyamoto, Masaaki</creatorcontrib><title>Thermal Reactions of Hydrated Hexagonal RPO4·nH2O (R=Tb or Dy, n=0.5 to 1)</title><title>Journal of the American Ceramic Society</title><description>The thermal reactions of hydrated hexagonal RPO4·nH2O (R=Tb or Dy, n=0.5 to 1) were studied at 20° to 1800°C in air under atmospheric pressure. 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The hydrated hexagonal forms were dehydrated at 180° to 250°C. Thereafter, no significant changes in structure were seen up to 800°C (R=Tb) or 700°C (R=Dy). The water corresponding to nH2O was zeolitic water. Anhydrous hexagonal RPO4 gradually transformed into the monazite structure at 900°C (R=Tb) or 800°C (R=Dy), then into the xenotime structure at temperatures above 1100°C (R=Tb) or 900°C (R=Dy).</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/j.1151-2916.1988.tb05940.x</doi><tpages>2</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Inorganic compounds Physics Salts Structure of solids and liquids crystallography Structure of specific crystalline solids |
| title | Thermal Reactions of Hydrated Hexagonal RPO4·nH2O (R=Tb or Dy, n=0.5 to 1) |
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