Phonon-glass electron-crystal behaviour by A site disorder in n-type thermoelectric oxides
Phonon-glass electron-crystal (PGEC) behaviour is realised in La 0.5 Na 0.5 Ti 1−x Nb x O 3 thermoelectric oxides. The vibrational disorder imposed by the presence of both La 3+ and Na + cations on the A site of the ABO 3 perovskite oxide La 0.5 Na 0.5 TiO 3 produces a phonon-glass with a thermal co...
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| Veröffentlicht in: | Energy & environmental science 2017-09, Vol.10 (9), p.1917-1922 |
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| container_title | Energy & environmental science |
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| creator | Daniels, L. M. Savvin, S. N. Pitcher, M. J. Dyer, M. S. Claridge, J. B. Ling, S. Slater, B. Corà, F. Alaria, J. Rosseinsky, M. J. |
| description | Phonon-glass electron-crystal (PGEC) behaviour is realised in La
0.5
Na
0.5
Ti
1−x
Nb
x
O
3
thermoelectric oxides. The vibrational disorder imposed by the presence of both La
3+
and Na
+
cations on the A site of the ABO
3
perovskite oxide La
0.5
Na
0.5
TiO
3
produces a phonon-glass with a thermal conductivity,
κ
, 80% lower than that of SrTiO
3
at room temperature. Unlike other state-of-the-art thermoelectric oxides, where there is strong coupling of
κ
to the electronic power factor, the electronic transport of these materials can be optimised independently of the thermal transport through cation substitution at the octahedral B site. The low
κ
of the phonon-glass parent is retained across the La
0.5
Na
0.5
Ti
1−x
Nb
x
O
3
series without disrupting the electronic conductivity, affording PGEC behaviour in oxides. |
| doi_str_mv | 10.1039/C7EE01510K |
| format | Article |
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0.5
Na
0.5
Ti
1−x
Nb
x
O
3
thermoelectric oxides. The vibrational disorder imposed by the presence of both La
3+
and Na
+
cations on the A site of the ABO
3
perovskite oxide La
0.5
Na
0.5
TiO
3
produces a phonon-glass with a thermal conductivity,
κ
, 80% lower than that of SrTiO
3
at room temperature. Unlike other state-of-the-art thermoelectric oxides, where there is strong coupling of
κ
to the electronic power factor, the electronic transport of these materials can be optimised independently of the thermal transport through cation substitution at the octahedral B site. The low
κ
of the phonon-glass parent is retained across the La
0.5
Na
0.5
Ti
1−x
Nb
x
O
3
series without disrupting the electronic conductivity, affording PGEC behaviour in oxides.</description><identifier>ISSN: 1754-5692</identifier><identifier>EISSN: 1754-5706</identifier><identifier>DOI: 10.1039/C7EE01510K</identifier><language>eng</language><ispartof>Energy & environmental science, 2017-09, Vol.10 (9), p.1917-1922</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c267t-4bf94e61aa2ddb00c2a72043e2f0aec2ae992f8f4b6b841136696bc83b2d9f603</citedby><cites>FETCH-LOGICAL-c267t-4bf94e61aa2ddb00c2a72043e2f0aec2ae992f8f4b6b841136696bc83b2d9f603</cites><orcidid>0000-0003-1574-7476 ; 0000-0003-2044-6774 ; 0000-0002-1910-2483 ; 0000-0001-9738-5848 ; 0000-0002-7077-6125 ; 0000-0002-4923-3003 ; 0000-0001-5868-0318</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Daniels, L. M.</creatorcontrib><creatorcontrib>Savvin, S. N.</creatorcontrib><creatorcontrib>Pitcher, M. J.</creatorcontrib><creatorcontrib>Dyer, M. S.</creatorcontrib><creatorcontrib>Claridge, J. B.</creatorcontrib><creatorcontrib>Ling, S.</creatorcontrib><creatorcontrib>Slater, B.</creatorcontrib><creatorcontrib>Corà, F.</creatorcontrib><creatorcontrib>Alaria, J.</creatorcontrib><creatorcontrib>Rosseinsky, M. J.</creatorcontrib><title>Phonon-glass electron-crystal behaviour by A site disorder in n-type thermoelectric oxides</title><title>Energy & environmental science</title><description>Phonon-glass electron-crystal (PGEC) behaviour is realised in La
0.5
Na
0.5
Ti
1−x
Nb
x
O
3
thermoelectric oxides. The vibrational disorder imposed by the presence of both La
3+
and Na
+
cations on the A site of the ABO
3
perovskite oxide La
0.5
Na
0.5
TiO
3
produces a phonon-glass with a thermal conductivity,
κ
, 80% lower than that of SrTiO
3
at room temperature. Unlike other state-of-the-art thermoelectric oxides, where there is strong coupling of
κ
to the electronic power factor, the electronic transport of these materials can be optimised independently of the thermal transport through cation substitution at the octahedral B site. The low
κ
of the phonon-glass parent is retained across the La
0.5
Na
0.5
Ti
1−x
Nb
x
O
3
series without disrupting the electronic conductivity, affording PGEC behaviour in oxides.</description><issn>1754-5692</issn><issn>1754-5706</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNpFkLFOwzAURS0EEqWw8AWekQLPTuLEYxUFiqgEAywske08E6M0rmyDyN9TVBDTvWe4dziEXDK4ZpDLm6ZqW2Alg4cjsmBVWWRlBeL4rwvJT8lZjO8AgkMlF-T1afCTn7K3UcVIcUSTwh5NmGNSI9U4qE_nPwLVM13R6BLS3kUfegzUTXTK0rxDmgYMW39YO0P9l-sxnpMTq8aIF7-5JC-37XOzzjaPd_fNapMZLqqUFdrKAgVTive9BjBcVRyKHLkFhXtCKbmtbaGFrgvGciGk0KbONe-lFZAvydXh1wQfY0Db7YLbqjB3DLofK92_lfwbCtdWOw</recordid><startdate>20170901</startdate><enddate>20170901</enddate><creator>Daniels, L. M.</creator><creator>Savvin, S. N.</creator><creator>Pitcher, M. J.</creator><creator>Dyer, M. S.</creator><creator>Claridge, J. B.</creator><creator>Ling, S.</creator><creator>Slater, B.</creator><creator>Corà, F.</creator><creator>Alaria, J.</creator><creator>Rosseinsky, M. J.</creator><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0003-1574-7476</orcidid><orcidid>https://orcid.org/0000-0003-2044-6774</orcidid><orcidid>https://orcid.org/0000-0002-1910-2483</orcidid><orcidid>https://orcid.org/0000-0001-9738-5848</orcidid><orcidid>https://orcid.org/0000-0002-7077-6125</orcidid><orcidid>https://orcid.org/0000-0002-4923-3003</orcidid><orcidid>https://orcid.org/0000-0001-5868-0318</orcidid></search><sort><creationdate>20170901</creationdate><title>Phonon-glass electron-crystal behaviour by A site disorder in n-type thermoelectric oxides</title><author>Daniels, L. M. ; Savvin, S. N. ; Pitcher, M. J. ; Dyer, M. S. ; Claridge, J. B. ; Ling, S. ; Slater, B. ; Corà, F. ; Alaria, J. ; Rosseinsky, M. J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c267t-4bf94e61aa2ddb00c2a72043e2f0aec2ae992f8f4b6b841136696bc83b2d9f603</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Daniels, L. M.</creatorcontrib><creatorcontrib>Savvin, S. N.</creatorcontrib><creatorcontrib>Pitcher, M. J.</creatorcontrib><creatorcontrib>Dyer, M. S.</creatorcontrib><creatorcontrib>Claridge, J. B.</creatorcontrib><creatorcontrib>Ling, S.</creatorcontrib><creatorcontrib>Slater, B.</creatorcontrib><creatorcontrib>Corà, F.</creatorcontrib><creatorcontrib>Alaria, J.</creatorcontrib><creatorcontrib>Rosseinsky, M. J.</creatorcontrib><collection>CrossRef</collection><jtitle>Energy & environmental science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Daniels, L. M.</au><au>Savvin, S. N.</au><au>Pitcher, M. J.</au><au>Dyer, M. S.</au><au>Claridge, J. B.</au><au>Ling, S.</au><au>Slater, B.</au><au>Corà, F.</au><au>Alaria, J.</au><au>Rosseinsky, M. J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phonon-glass electron-crystal behaviour by A site disorder in n-type thermoelectric oxides</atitle><jtitle>Energy & environmental science</jtitle><date>2017-09-01</date><risdate>2017</risdate><volume>10</volume><issue>9</issue><spage>1917</spage><epage>1922</epage><pages>1917-1922</pages><issn>1754-5692</issn><eissn>1754-5706</eissn><abstract>Phonon-glass electron-crystal (PGEC) behaviour is realised in La
0.5
Na
0.5
Ti
1−x
Nb
x
O
3
thermoelectric oxides. The vibrational disorder imposed by the presence of both La
3+
and Na
+
cations on the A site of the ABO
3
perovskite oxide La
0.5
Na
0.5
TiO
3
produces a phonon-glass with a thermal conductivity,
κ
, 80% lower than that of SrTiO
3
at room temperature. Unlike other state-of-the-art thermoelectric oxides, where there is strong coupling of
κ
to the electronic power factor, the electronic transport of these materials can be optimised independently of the thermal transport through cation substitution at the octahedral B site. The low
κ
of the phonon-glass parent is retained across the La
0.5
Na
0.5
Ti
1−x
Nb
x
O
3
series without disrupting the electronic conductivity, affording PGEC behaviour in oxides.</abstract><doi>10.1039/C7EE01510K</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0003-1574-7476</orcidid><orcidid>https://orcid.org/0000-0003-2044-6774</orcidid><orcidid>https://orcid.org/0000-0002-1910-2483</orcidid><orcidid>https://orcid.org/0000-0001-9738-5848</orcidid><orcidid>https://orcid.org/0000-0002-7077-6125</orcidid><orcidid>https://orcid.org/0000-0002-4923-3003</orcidid><orcidid>https://orcid.org/0000-0001-5868-0318</orcidid><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | Royal Society Of Chemistry Journals 2008- |
| title | Phonon-glass electron-crystal behaviour by A site disorder in n-type thermoelectric oxides |
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