Raman spectroscopic study of the structural change of uranium–thorium-mixed oxides before and after oxidation
UO 2 pellets doped with 1, 5 and 10 mol% Th before and after oxidation were analyzed by using Raman spectroscopy to investigate the Th doping effect on the structural changes during oxidation of UO 2 . While the Raman spectra of all sample pellets showed a close-to-perfect fluorite structure before...
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| Veröffentlicht in: | Journal of radioanalytical and nuclear chemistry 2018-06, Vol.316 (3), p.1295-1300 |
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| container_end_page | 1300 |
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| container_issue | 3 |
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| container_title | Journal of radioanalytical and nuclear chemistry |
| container_volume | 316 |
| creator | Lee, Jeongmook Kim, Jandee Youn, Young-Sang Kim, Jong-Yun Lim, Sang Ho |
| description | UO
2
pellets doped with 1, 5 and 10 mol% Th before and after oxidation were analyzed by using Raman spectroscopy to investigate the Th doping effect on the structural changes during oxidation of UO
2
. While the Raman spectra of all sample pellets showed a close-to-perfect fluorite structure before oxidation, those of oxidized (U
1−
y
Th
y
)O
2+
x
(0.03 ≤
x
≤ 0.06) pellets showed distinct defect structures after oxidation at 1150 °C with CO/CO
2
= 0.001. The increasing relative ratio of first-order longitudinal optical modes of (U
1−
y
Th
y
)O
2+
x
with increasing doping levels should represent the defect structure due to the Th doping effect. |
| doi_str_mv | 10.1007/s10967-018-5829-x |
| format | Article |
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2
pellets doped with 1, 5 and 10 mol% Th before and after oxidation were analyzed by using Raman spectroscopy to investigate the Th doping effect on the structural changes during oxidation of UO
2
. While the Raman spectra of all sample pellets showed a close-to-perfect fluorite structure before oxidation, those of oxidized (U
1−
y
Th
y
)O
2+
x
(0.03 ≤
x
≤ 0.06) pellets showed distinct defect structures after oxidation at 1150 °C with CO/CO
2
= 0.001. The increasing relative ratio of first-order longitudinal optical modes of (U
1−
y
Th
y
)O
2+
x
with increasing doping levels should represent the defect structure due to the Th doping effect.</description><identifier>ISSN: 0236-5731</identifier><identifier>EISSN: 1588-2780</identifier><identifier>DOI: 10.1007/s10967-018-5829-x</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Carbon dioxide ; Chemistry ; Chemistry and Materials Science ; Diagnostic Radiology ; Doping ; Fluorite ; Hadrons ; Heavy Ions ; Inorganic Chemistry ; Mixed oxides ; Nuclear Chemistry ; Nuclear energy ; Nuclear Physics ; Oxidation ; Oxidation-reduction reactions ; Oxides ; Pellets ; Physical Chemistry ; Raman spectra ; Raman spectroscopy ; Spectrum analysis ; Thorium ; Uranium ; Uranium dioxide</subject><ispartof>Journal of radioanalytical and nuclear chemistry, 2018-06, Vol.316 (3), p.1295-1300</ispartof><rights>Akadémiai Kiadó, Budapest, Hungary 2018</rights><rights>COPYRIGHT 2018 Springer</rights><rights>Copyright Springer Science & Business Media 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c355t-e82a4c76c6302491473aac0c158cc965a3916f2d283a9dcb84616cf802da5a563</citedby><cites>FETCH-LOGICAL-c355t-e82a4c76c6302491473aac0c158cc965a3916f2d283a9dcb84616cf802da5a563</cites><orcidid>0000-0002-8583-5677</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10967-018-5829-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10967-018-5829-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,781,785,27929,27930,41493,42562,51324</link.rule.ids></links><search><creatorcontrib>Lee, Jeongmook</creatorcontrib><creatorcontrib>Kim, Jandee</creatorcontrib><creatorcontrib>Youn, Young-Sang</creatorcontrib><creatorcontrib>Kim, Jong-Yun</creatorcontrib><creatorcontrib>Lim, Sang Ho</creatorcontrib><title>Raman spectroscopic study of the structural change of uranium–thorium-mixed oxides before and after oxidation</title><title>Journal of radioanalytical and nuclear chemistry</title><addtitle>J Radioanal Nucl Chem</addtitle><description>UO
2
pellets doped with 1, 5 and 10 mol% Th before and after oxidation were analyzed by using Raman spectroscopy to investigate the Th doping effect on the structural changes during oxidation of UO
2
. While the Raman spectra of all sample pellets showed a close-to-perfect fluorite structure before oxidation, those of oxidized (U
1−
y
Th
y
)O
2+
x
(0.03 ≤
x
≤ 0.06) pellets showed distinct defect structures after oxidation at 1150 °C with CO/CO
2
= 0.001. The increasing relative ratio of first-order longitudinal optical modes of (U
1−
y
Th
y
)O
2+
x
with increasing doping levels should represent the defect structure due to the Th doping effect.</description><subject>Carbon dioxide</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Diagnostic Radiology</subject><subject>Doping</subject><subject>Fluorite</subject><subject>Hadrons</subject><subject>Heavy Ions</subject><subject>Inorganic Chemistry</subject><subject>Mixed oxides</subject><subject>Nuclear Chemistry</subject><subject>Nuclear energy</subject><subject>Nuclear Physics</subject><subject>Oxidation</subject><subject>Oxidation-reduction reactions</subject><subject>Oxides</subject><subject>Pellets</subject><subject>Physical Chemistry</subject><subject>Raman spectra</subject><subject>Raman spectroscopy</subject><subject>Spectrum analysis</subject><subject>Thorium</subject><subject>Uranium</subject><subject>Uranium dioxide</subject><issn>0236-5731</issn><issn>1588-2780</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kc2KFDEQx4MoOK4-gLeA56yVz04fl8UvWFhY9Bxq08lOlunOmKRh9uY7-IY-iRlb8CQ5VKry_yWV-hPylsMlBxjeVw6jGRhwy7QVIzs9IzuurWVisPCc7EBIw_Qg-UvyqtZHABitlTuS73DGhdZj8K3k6vMxeVrbOj3RHGnbh56U1be14IH6PS4P4XzQ0yWt868fP9s-l75jczqFieZTmkKl9yHmEiguE8XYQvlTx5by8pq8iHio4c3feEG-ffzw9fozu7n99OX66oZ5qXVjwQpUfjDeSBBq5GqQiB58_5L3o9EoR26imISVOE7-3irDjY8WxIQatZEX5N1277Hk72uozT3mtSz9SSdAKQUapO2qy031gIfg0hJzK-j7msKcfF5CTL1-pRVIo0apOsA3wPdh1RKiO5Y0Y3lyHNzZCLcZ4boR7myEO3VGbEzt2j6_8q-V_0O_AZkfjic</recordid><startdate>20180601</startdate><enddate>20180601</enddate><creator>Lee, Jeongmook</creator><creator>Kim, Jandee</creator><creator>Youn, Young-Sang</creator><creator>Kim, Jong-Yun</creator><creator>Lim, Sang Ho</creator><general>Springer International Publishing</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-8583-5677</orcidid></search><sort><creationdate>20180601</creationdate><title>Raman spectroscopic study of the structural change of uranium–thorium-mixed oxides before and after oxidation</title><author>Lee, Jeongmook ; Kim, Jandee ; Youn, Young-Sang ; Kim, Jong-Yun ; Lim, Sang Ho</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c355t-e82a4c76c6302491473aac0c158cc965a3916f2d283a9dcb84616cf802da5a563</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Carbon dioxide</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Diagnostic Radiology</topic><topic>Doping</topic><topic>Fluorite</topic><topic>Hadrons</topic><topic>Heavy Ions</topic><topic>Inorganic Chemistry</topic><topic>Mixed oxides</topic><topic>Nuclear Chemistry</topic><topic>Nuclear energy</topic><topic>Nuclear Physics</topic><topic>Oxidation</topic><topic>Oxidation-reduction reactions</topic><topic>Oxides</topic><topic>Pellets</topic><topic>Physical Chemistry</topic><topic>Raman spectra</topic><topic>Raman spectroscopy</topic><topic>Spectrum analysis</topic><topic>Thorium</topic><topic>Uranium</topic><topic>Uranium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Jeongmook</creatorcontrib><creatorcontrib>Kim, Jandee</creatorcontrib><creatorcontrib>Youn, Young-Sang</creatorcontrib><creatorcontrib>Kim, Jong-Yun</creatorcontrib><creatorcontrib>Lim, Sang Ho</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of radioanalytical and nuclear chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Jeongmook</au><au>Kim, Jandee</au><au>Youn, Young-Sang</au><au>Kim, Jong-Yun</au><au>Lim, Sang Ho</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Raman spectroscopic study of the structural change of uranium–thorium-mixed oxides before and after oxidation</atitle><jtitle>Journal of radioanalytical and nuclear chemistry</jtitle><stitle>J Radioanal Nucl Chem</stitle><date>2018-06-01</date><risdate>2018</risdate><volume>316</volume><issue>3</issue><spage>1295</spage><epage>1300</epage><pages>1295-1300</pages><issn>0236-5731</issn><eissn>1588-2780</eissn><abstract>UO
2
pellets doped with 1, 5 and 10 mol% Th before and after oxidation were analyzed by using Raman spectroscopy to investigate the Th doping effect on the structural changes during oxidation of UO
2
. While the Raman spectra of all sample pellets showed a close-to-perfect fluorite structure before oxidation, those of oxidized (U
1−
y
Th
y
)O
2+
x
(0.03 ≤
x
≤ 0.06) pellets showed distinct defect structures after oxidation at 1150 °C with CO/CO
2
= 0.001. The increasing relative ratio of first-order longitudinal optical modes of (U
1−
y
Th
y
)O
2+
x
with increasing doping levels should represent the defect structure due to the Th doping effect.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s10967-018-5829-x</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-8583-5677</orcidid></addata></record> |
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| ispartof | Journal of radioanalytical and nuclear chemistry, 2018-06, Vol.316 (3), p.1295-1300 |
| issn | 0236-5731 1588-2780 |
| language | eng |
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| source | SpringerNature Journals |
| subjects | Carbon dioxide Chemistry Chemistry and Materials Science Diagnostic Radiology Doping Fluorite Hadrons Heavy Ions Inorganic Chemistry Mixed oxides Nuclear Chemistry Nuclear energy Nuclear Physics Oxidation Oxidation-reduction reactions Oxides Pellets Physical Chemistry Raman spectra Raman spectroscopy Spectrum analysis Thorium Uranium Uranium dioxide |
| title | Raman spectroscopic study of the structural change of uranium–thorium-mixed oxides before and after oxidation |
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