New titanate matrices for immobilization of REE–actinide high-level waste
The phases with different structures formed in the series REE 2 Ti x Zr 2− x O 7 ( x = 0–2) are considered as potential high-level waste (HLW) forms. Matrices were synthesized by cold pressing and sintering. The ceramics were studied by XRD, SEM/EDS, TEM, XAFS. The sample based on monoclinic REE 2...
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| Veröffentlicht in: | Journal of radioanalytical and nuclear chemistry 2015-04, Vol.304 (1), p.47-52 |
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| container_title | Journal of radioanalytical and nuclear chemistry |
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| creator | Livshits, Tatiana S. Zhang, Jiaming Yudintsev, Sergey V. Stefanovsky, Sergey V. |
| description | The phases with different structures formed in the series REE
2
Ti
x
Zr
2−
x
O
7
(
x
= 0–2) are considered as potential high-level waste (HLW) forms. Matrices were synthesized by cold pressing and sintering. The ceramics were studied by XRD, SEM/EDS, TEM, XAFS. The sample based on monoclinic REE
2
Ti
2
O
7
was irradiated by Kr
2+
(1 MeV). The appearance of the additional monoclinic compound to pyrochlore is observed in the samples at
x
> 0.8. The monoclinic REE
2
Ti
2
O
7
is characterized by high isomorphic capacity with respect to REEs. Its radiation resistance is close to Ti-pyrochlores. Monoclinic REE titanate requires further examination as potential host phase for HLW immobilization. |
| doi_str_mv | 10.1007/s10967-014-3697-6 |
| format | Article |
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2
Ti
x
Zr
2−
x
O
7
(
x
= 0–2) are considered as potential high-level waste (HLW) forms. Matrices were synthesized by cold pressing and sintering. The ceramics were studied by XRD, SEM/EDS, TEM, XAFS. The sample based on monoclinic REE
2
Ti
2
O
7
was irradiated by Kr
2+
(1 MeV). The appearance of the additional monoclinic compound to pyrochlore is observed in the samples at
x
> 0.8. The monoclinic REE
2
Ti
2
O
7
is characterized by high isomorphic capacity with respect to REEs. Its radiation resistance is close to Ti-pyrochlores. Monoclinic REE titanate requires further examination as potential host phase for HLW immobilization.</description><identifier>ISSN: 0236-5731</identifier><identifier>EISSN: 1588-2780</identifier><identifier>DOI: 10.1007/s10967-014-3697-6</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Ceramics ; Chemistry ; Chemistry and Materials Science ; Diagnostic Radiology ; Hadrons ; Heavy Ions ; Immobilization ; Inorganic Chemistry ; Nuclear Chemistry ; Nuclear Physics ; Phases ; Physical Chemistry ; Pyrochlores ; Titanates ; Transmission electron microscopy ; Wastes</subject><ispartof>Journal of radioanalytical and nuclear chemistry, 2015-04, Vol.304 (1), p.47-52</ispartof><rights>Akadémiai Kiadó, Budapest, Hungary 2014</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c391t-7c118e8266214688b2e406b0fd4fca0ab43098721b8d17050defc9c38c7863f3</citedby><cites>FETCH-LOGICAL-c391t-7c118e8266214688b2e406b0fd4fca0ab43098721b8d17050defc9c38c7863f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10967-014-3697-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10967-014-3697-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51298</link.rule.ids></links><search><creatorcontrib>Livshits, Tatiana S.</creatorcontrib><creatorcontrib>Zhang, Jiaming</creatorcontrib><creatorcontrib>Yudintsev, Sergey V.</creatorcontrib><creatorcontrib>Stefanovsky, Sergey V.</creatorcontrib><title>New titanate matrices for immobilization of REE–actinide high-level waste</title><title>Journal of radioanalytical and nuclear chemistry</title><addtitle>J Radioanal Nucl Chem</addtitle><description>The phases with different structures formed in the series REE
2
Ti
x
Zr
2−
x
O
7
(
x
= 0–2) are considered as potential high-level waste (HLW) forms. Matrices were synthesized by cold pressing and sintering. The ceramics were studied by XRD, SEM/EDS, TEM, XAFS. The sample based on monoclinic REE
2
Ti
2
O
7
was irradiated by Kr
2+
(1 MeV). The appearance of the additional monoclinic compound to pyrochlore is observed in the samples at
x
> 0.8. The monoclinic REE
2
Ti
2
O
7
is characterized by high isomorphic capacity with respect to REEs. Its radiation resistance is close to Ti-pyrochlores. Monoclinic REE titanate requires further examination as potential host phase for HLW immobilization.</description><subject>Ceramics</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Diagnostic Radiology</subject><subject>Hadrons</subject><subject>Heavy Ions</subject><subject>Immobilization</subject><subject>Inorganic Chemistry</subject><subject>Nuclear Chemistry</subject><subject>Nuclear Physics</subject><subject>Phases</subject><subject>Physical Chemistry</subject><subject>Pyrochlores</subject><subject>Titanates</subject><subject>Transmission electron microscopy</subject><subject>Wastes</subject><issn>0236-5731</issn><issn>1588-2780</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp9kLtOwzAUQC0EEqXwAWwZWQx-JH6MqCoPUYGEuluOY7eukrjYLhVM_AN_yJeQKsxMdznn6t4DwCVG1xghfpMwkoxDhEtImeSQHYEJroSAhAt0DCaIUAYrTvEpOEtpgxCSQtAJeHq2-yL7rHudbdHpHL2xqXAhFr7rQu1b_6mzD30RXPE6n_98fWuTfe8bW6z9ag1b-27bYq9TtufgxOk22Yu_OQXLu_ly9gAXL_ePs9sFNFTiDLnBWFhBGCO4ZELUxJaI1cg1pTMa6bqkw3Gc4Fo0mKMKNdYZaagwXDDq6BRcjWu3MbztbMqq88nYttW9DbukMJOESlYxOaB4RE0MKUXr1Db6TscPhZE6dFNjNzV0U4duig0OGZ00sP3KRrUJu9gPD_0j_QIKB3Dd</recordid><startdate>20150401</startdate><enddate>20150401</enddate><creator>Livshits, Tatiana S.</creator><creator>Zhang, Jiaming</creator><creator>Yudintsev, Sergey V.</creator><creator>Stefanovsky, Sergey V.</creator><general>Springer Netherlands</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>7SU</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20150401</creationdate><title>New titanate matrices for immobilization of REE–actinide high-level waste</title><author>Livshits, Tatiana S. ; Zhang, Jiaming ; Yudintsev, Sergey V. ; Stefanovsky, Sergey V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c391t-7c118e8266214688b2e406b0fd4fca0ab43098721b8d17050defc9c38c7863f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Ceramics</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Diagnostic Radiology</topic><topic>Hadrons</topic><topic>Heavy Ions</topic><topic>Immobilization</topic><topic>Inorganic Chemistry</topic><topic>Nuclear Chemistry</topic><topic>Nuclear Physics</topic><topic>Phases</topic><topic>Physical Chemistry</topic><topic>Pyrochlores</topic><topic>Titanates</topic><topic>Transmission electron microscopy</topic><topic>Wastes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Livshits, Tatiana S.</creatorcontrib><creatorcontrib>Zhang, Jiaming</creatorcontrib><creatorcontrib>Yudintsev, Sergey V.</creatorcontrib><creatorcontrib>Stefanovsky, Sergey V.</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of radioanalytical and nuclear chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Livshits, Tatiana S.</au><au>Zhang, Jiaming</au><au>Yudintsev, Sergey V.</au><au>Stefanovsky, Sergey V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>New titanate matrices for immobilization of REE–actinide high-level waste</atitle><jtitle>Journal of radioanalytical and nuclear chemistry</jtitle><stitle>J Radioanal Nucl Chem</stitle><date>2015-04-01</date><risdate>2015</risdate><volume>304</volume><issue>1</issue><spage>47</spage><epage>52</epage><pages>47-52</pages><issn>0236-5731</issn><eissn>1588-2780</eissn><abstract>The phases with different structures formed in the series REE
2
Ti
x
Zr
2−
x
O
7
(
x
= 0–2) are considered as potential high-level waste (HLW) forms. Matrices were synthesized by cold pressing and sintering. The ceramics were studied by XRD, SEM/EDS, TEM, XAFS. The sample based on monoclinic REE
2
Ti
2
O
7
was irradiated by Kr
2+
(1 MeV). The appearance of the additional monoclinic compound to pyrochlore is observed in the samples at
x
> 0.8. The monoclinic REE
2
Ti
2
O
7
is characterized by high isomorphic capacity with respect to REEs. Its radiation resistance is close to Ti-pyrochlores. Monoclinic REE titanate requires further examination as potential host phase for HLW immobilization.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10967-014-3697-6</doi><tpages>6</tpages></addata></record> |
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| language | eng |
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| subjects | Ceramics Chemistry Chemistry and Materials Science Diagnostic Radiology Hadrons Heavy Ions Immobilization Inorganic Chemistry Nuclear Chemistry Nuclear Physics Phases Physical Chemistry Pyrochlores Titanates Transmission electron microscopy Wastes |
| title | New titanate matrices for immobilization of REE–actinide high-level waste |
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