High pressure X-ray diffraction study of sodium oxide (Na2O): Observations of amorphization and equation of state measurements to 15.9 GPa
We have investigated the high-pressure behavior of sodium oxide (Na2O) up to 30 GPa by synchrotron angle-dispersive powder X-ray diffraction in a diamond anvil cell at room temperature. Between 15.9 and 17.3 GPa crystalline Na2O transforms to an amorphous state, and on decompression the amorphous st...
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| Veröffentlicht in: | Journal of alloys and compounds 2020-05, Vol.823, p.153793, Article 153793 |
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| creator | Wu, Xiaoxin Zhang, Yan Zhang, Junkai Liu, Ran Yang, Jinghai Yang, Bin Xu, Hongxin Ma, Yanz |
| description | We have investigated the high-pressure behavior of sodium oxide (Na2O) up to 30 GPa by synchrotron angle-dispersive powder X-ray diffraction in a diamond anvil cell at room temperature. Between 15.9 and 17.3 GPa crystalline Na2O transforms to an amorphous state, and on decompression the amorphous structure recrystallizes back between 4.9 and 10.3 GPa. The zero-pressure bulk modulus of Na2O is obtained in experimental observations for the first time. The pressure-volume data is fitted according to the third-order Birch-Murnaghan equation of state and yields four bulk modulus values by setting the V0 or B0’ either as a constant or variable. The bulk modulus values of Na2O are smaller than α-Li2O, which is in good agreement with the previous calculation results.
•A reversible phase transition of Na2O to an amorphous state is observed.•The bulk modulus of Na2O is obtained in experiment. |
| doi_str_mv | 10.1016/j.jallcom.2020.153793 |
| format | Article |
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•A reversible phase transition of Na2O to an amorphous state is observed.•The bulk modulus of Na2O is obtained in experiment.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2020.153793</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Alkali-metal oxide ; Amorphization ; Amorphous state ; Bulk modulus ; Crystals ; Diamond anvil cells ; Equations of state ; High-pressure ; Lithium oxides ; Room temperature ; X ray powder diffraction ; X-ray diffraction</subject><ispartof>Journal of alloys and compounds, 2020-05, Vol.823, p.153793, Article 153793</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright Elsevier BV May 15, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c403t-4e5168221fc116d5503e2392b41f937ac760bc9816449a6e9b23956e3b0118d93</citedby><cites>FETCH-LOGICAL-c403t-4e5168221fc116d5503e2392b41f937ac760bc9816449a6e9b23956e3b0118d93</cites><orcidid>0000-0002-6407-6173 ; 0000-0001-8409-6035</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jallcom.2020.153793$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Wu, Xiaoxin</creatorcontrib><creatorcontrib>Zhang, Yan</creatorcontrib><creatorcontrib>Zhang, Junkai</creatorcontrib><creatorcontrib>Liu, Ran</creatorcontrib><creatorcontrib>Yang, Jinghai</creatorcontrib><creatorcontrib>Yang, Bin</creatorcontrib><creatorcontrib>Xu, Hongxin</creatorcontrib><creatorcontrib>Ma, Yanz</creatorcontrib><title>High pressure X-ray diffraction study of sodium oxide (Na2O): Observations of amorphization and equation of state measurements to 15.9 GPa</title><title>Journal of alloys and compounds</title><description>We have investigated the high-pressure behavior of sodium oxide (Na2O) up to 30 GPa by synchrotron angle-dispersive powder X-ray diffraction in a diamond anvil cell at room temperature. Between 15.9 and 17.3 GPa crystalline Na2O transforms to an amorphous state, and on decompression the amorphous structure recrystallizes back between 4.9 and 10.3 GPa. The zero-pressure bulk modulus of Na2O is obtained in experimental observations for the first time. The pressure-volume data is fitted according to the third-order Birch-Murnaghan equation of state and yields four bulk modulus values by setting the V0 or B0’ either as a constant or variable. The bulk modulus values of Na2O are smaller than α-Li2O, which is in good agreement with the previous calculation results.
•A reversible phase transition of Na2O to an amorphous state is observed.•The bulk modulus of Na2O is obtained in experiment.</description><subject>Alkali-metal oxide</subject><subject>Amorphization</subject><subject>Amorphous state</subject><subject>Bulk modulus</subject><subject>Crystals</subject><subject>Diamond anvil cells</subject><subject>Equations of state</subject><subject>High-pressure</subject><subject>Lithium oxides</subject><subject>Room temperature</subject><subject>X ray powder diffraction</subject><subject>X-ray diffraction</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFUEtO5DAQtdAg0QMcAcnSbGCRHn8SJ54NQmiAkdA0C5DYWY5dAUeduLEdND1X4BKchZOREPasSvXqfVQPoSNKlpRQ8bNdtnq9Nr5bMsJGrOCl5DtoQauSZ7kQ8htaEMmKrOJVtYe-x9gSQqjkdIFertzDI94EiHEIgO-zoLfYuqYJ2iTnexzTYLfYNzh664YO-3_OAj7-q9nq5Bde1RHCs56YcSLpzofNo_v_gWDdWwxPw7xMFkknwB3oKauDPkWcPKbFUr69Xt7oA7Tb6HWEw8-5j-4uft-eX2XXq8s_52fXmckJT1kOBRUVY7QxlApbFIQD45LVOW0kL7UpBamNrKjIc6kFyHq8FgJ4TSitrOT76Mfsuwn-aYCYVOuH0I-RivGyLAmTnI-sYmaZ4GMM0KhNcJ0OW0WJmnpXrfrsXU29q7n3UXc662B84dlBUNE46A1YF8AkZb37wuEdcoiOrQ</recordid><startdate>20200515</startdate><enddate>20200515</enddate><creator>Wu, Xiaoxin</creator><creator>Zhang, Yan</creator><creator>Zhang, Junkai</creator><creator>Liu, Ran</creator><creator>Yang, Jinghai</creator><creator>Yang, Bin</creator><creator>Xu, Hongxin</creator><creator>Ma, Yanz</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-6407-6173</orcidid><orcidid>https://orcid.org/0000-0001-8409-6035</orcidid></search><sort><creationdate>20200515</creationdate><title>High pressure X-ray diffraction study of sodium oxide (Na2O): Observations of amorphization and equation of state measurements to 15.9 GPa</title><author>Wu, Xiaoxin ; Zhang, Yan ; Zhang, Junkai ; Liu, Ran ; Yang, Jinghai ; Yang, Bin ; Xu, Hongxin ; Ma, Yanz</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c403t-4e5168221fc116d5503e2392b41f937ac760bc9816449a6e9b23956e3b0118d93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Alkali-metal oxide</topic><topic>Amorphization</topic><topic>Amorphous state</topic><topic>Bulk modulus</topic><topic>Crystals</topic><topic>Diamond anvil cells</topic><topic>Equations of state</topic><topic>High-pressure</topic><topic>Lithium oxides</topic><topic>Room temperature</topic><topic>X ray powder diffraction</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wu, Xiaoxin</creatorcontrib><creatorcontrib>Zhang, Yan</creatorcontrib><creatorcontrib>Zhang, Junkai</creatorcontrib><creatorcontrib>Liu, Ran</creatorcontrib><creatorcontrib>Yang, Jinghai</creatorcontrib><creatorcontrib>Yang, Bin</creatorcontrib><creatorcontrib>Xu, Hongxin</creatorcontrib><creatorcontrib>Ma, Yanz</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wu, Xiaoxin</au><au>Zhang, Yan</au><au>Zhang, Junkai</au><au>Liu, Ran</au><au>Yang, Jinghai</au><au>Yang, Bin</au><au>Xu, Hongxin</au><au>Ma, Yanz</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High pressure X-ray diffraction study of sodium oxide (Na2O): Observations of amorphization and equation of state measurements to 15.9 GPa</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2020-05-15</date><risdate>2020</risdate><volume>823</volume><spage>153793</spage><pages>153793-</pages><artnum>153793</artnum><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>We have investigated the high-pressure behavior of sodium oxide (Na2O) up to 30 GPa by synchrotron angle-dispersive powder X-ray diffraction in a diamond anvil cell at room temperature. Between 15.9 and 17.3 GPa crystalline Na2O transforms to an amorphous state, and on decompression the amorphous structure recrystallizes back between 4.9 and 10.3 GPa. The zero-pressure bulk modulus of Na2O is obtained in experimental observations for the first time. The pressure-volume data is fitted according to the third-order Birch-Murnaghan equation of state and yields four bulk modulus values by setting the V0 or B0’ either as a constant or variable. The bulk modulus values of Na2O are smaller than α-Li2O, which is in good agreement with the previous calculation results.
•A reversible phase transition of Na2O to an amorphous state is observed.•The bulk modulus of Na2O is obtained in experiment.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2020.153793</doi><orcidid>https://orcid.org/0000-0002-6407-6173</orcidid><orcidid>https://orcid.org/0000-0001-8409-6035</orcidid></addata></record> |
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| subjects | Alkali-metal oxide Amorphization Amorphous state Bulk modulus Crystals Diamond anvil cells Equations of state High-pressure Lithium oxides Room temperature X ray powder diffraction X-ray diffraction |
| title | High pressure X-ray diffraction study of sodium oxide (Na2O): Observations of amorphization and equation of state measurements to 15.9 GPa |
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