Thermal behavior of high-frequency optical phonons in tetragonal BaTiO3 single crystal
The temperature dependence of the optical phonon modes in the tetragonal BaTiO 3 single crystal was investigated by means of polarized Raman spectroscopy measurements. A special attention was devoted to the Raman spectra deconvolution to separate between first- and second-order bands, which can be d...
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| Veröffentlicht in: | Applied physics. A, Materials science & processing Materials science & processing, 2016-04, Vol.122 (4), Article 480 |
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| creator | Ouni, Inès Bejaoui Chapron, David Aroui, Hassen Fontana, Marc D. |
| description | The temperature dependence of the optical phonon modes in the tetragonal BaTiO
3
single crystal was investigated by means of polarized Raman spectroscopy measurements. A special attention was devoted to the Raman spectra deconvolution to separate between first- and second-order bands, which can be discriminated from the difference in the temperature behavior of scattered intensity. Both
A
1
mode motions along the polar
c
axis and
E
vibrations (except the well-known soft mode) normal to
c
were studied and discussed. The temperature dependences of frequency and damping of each optical phonon were achieved and then interpreted in terms of third- and fourth-order anharmonic potential. It was derived from this analysis that the
A
1
transverse optical phonon arising from the hardening of the soft phonon of the cubic phase possesses large anharmonic motion of Ti versus O ions. A significant anharmonicity was as well found for phonons associated with O octahedral distortion. |
| doi_str_mv | 10.1007/s00339-016-0013-z |
| format | Article |
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3
single crystal was investigated by means of polarized Raman spectroscopy measurements. A special attention was devoted to the Raman spectra deconvolution to separate between first- and second-order bands, which can be discriminated from the difference in the temperature behavior of scattered intensity. Both
A
1
mode motions along the polar
c
axis and
E
vibrations (except the well-known soft mode) normal to
c
were studied and discussed. The temperature dependences of frequency and damping of each optical phonon were achieved and then interpreted in terms of third- and fourth-order anharmonic potential. It was derived from this analysis that the
A
1
transverse optical phonon arising from the hardening of the soft phonon of the cubic phase possesses large anharmonic motion of Ti versus O ions. A significant anharmonicity was as well found for phonons associated with O octahedral distortion.</description><identifier>ISSN: 0947-8396</identifier><identifier>EISSN: 1432-0630</identifier><identifier>DOI: 10.1007/s00339-016-0013-z</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Characterization and Evaluation of Materials ; Condensed Matter Physics ; Machines ; Manufacturing ; Nanotechnology ; Optical and Electronic Materials ; Physics ; Physics and Astronomy ; Processes ; Surfaces and Interfaces ; Thin Films</subject><ispartof>Applied physics. A, Materials science & processing, 2016-04, Vol.122 (4), Article 480</ispartof><rights>Springer-Verlag Berlin Heidelberg 2016</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c322t-ae4dbd5cc039121e71b286cf57aba52c6affbc92143330fd583780a2bc8d1e5b3</citedby><cites>FETCH-LOGICAL-c322t-ae4dbd5cc039121e71b286cf57aba52c6affbc92143330fd583780a2bc8d1e5b3</cites><orcidid>0000-0002-0738-6626</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/s00339-016-0013-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00339-016-0013-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,780,784,885,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://centralesupelec.hal.science/hal-01551770$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Ouni, Inès Bejaoui</creatorcontrib><creatorcontrib>Chapron, David</creatorcontrib><creatorcontrib>Aroui, Hassen</creatorcontrib><creatorcontrib>Fontana, Marc D.</creatorcontrib><title>Thermal behavior of high-frequency optical phonons in tetragonal BaTiO3 single crystal</title><title>Applied physics. A, Materials science & processing</title><addtitle>Appl. Phys. A</addtitle><description>The temperature dependence of the optical phonon modes in the tetragonal BaTiO
3
single crystal was investigated by means of polarized Raman spectroscopy measurements. A special attention was devoted to the Raman spectra deconvolution to separate between first- and second-order bands, which can be discriminated from the difference in the temperature behavior of scattered intensity. Both
A
1
mode motions along the polar
c
axis and
E
vibrations (except the well-known soft mode) normal to
c
were studied and discussed. The temperature dependences of frequency and damping of each optical phonon were achieved and then interpreted in terms of third- and fourth-order anharmonic potential. It was derived from this analysis that the
A
1
transverse optical phonon arising from the hardening of the soft phonon of the cubic phase possesses large anharmonic motion of Ti versus O ions. A significant anharmonicity was as well found for phonons associated with O octahedral distortion.</description><subject>Characterization and Evaluation of Materials</subject><subject>Condensed Matter Physics</subject><subject>Machines</subject><subject>Manufacturing</subject><subject>Nanotechnology</subject><subject>Optical and Electronic Materials</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Processes</subject><subject>Surfaces and Interfaces</subject><subject>Thin Films</subject><issn>0947-8396</issn><issn>1432-0630</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhoMoWKs_wFuuHqKTZD-PtWgrFHqpXkM2m-ymbDc12RbaX2_KikfnMvDyPAPzIvRI4ZkC5C8BgPOSAM0IAOXkfIUmNOGMQMbhGk2gTHJS8DK7RXchbCFOwtgEfW1a7Xeyw5Vu5dE6j53BrW1aYrz-PuhenbDbD1ZFZN-63vUB2x4PevCycX1MX-XGrjkOtm86jZU_hUF29-jGyC7oh989RZ_vb5v5kqzWi4_5bEUUZ2wgUid1VadKAS8pozqnFSsyZdJcVjJlKpPGVKpk8RPOwdRpwfMCJKtUUVOdVnyKnsa7rezE3tud9CfhpBXL2UpcMqBpSvMcjjSydGSVdyF4bf4ECuJSohhLjE4mLiWKc3TY6ITI9o32YusOPr4d_pF-AKR-dbQ</recordid><startdate>20160401</startdate><enddate>20160401</enddate><creator>Ouni, Inès Bejaoui</creator><creator>Chapron, David</creator><creator>Aroui, Hassen</creator><creator>Fontana, Marc D.</creator><general>Springer Berlin Heidelberg</general><general>Springer Verlag</general><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-0738-6626</orcidid></search><sort><creationdate>20160401</creationdate><title>Thermal behavior of high-frequency optical phonons in tetragonal BaTiO3 single crystal</title><author>Ouni, Inès Bejaoui ; Chapron, David ; Aroui, Hassen ; Fontana, Marc D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c322t-ae4dbd5cc039121e71b286cf57aba52c6affbc92143330fd583780a2bc8d1e5b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Characterization and Evaluation of Materials</topic><topic>Condensed Matter Physics</topic><topic>Machines</topic><topic>Manufacturing</topic><topic>Nanotechnology</topic><topic>Optical and Electronic Materials</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Processes</topic><topic>Surfaces and Interfaces</topic><topic>Thin Films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ouni, Inès Bejaoui</creatorcontrib><creatorcontrib>Chapron, David</creatorcontrib><creatorcontrib>Aroui, Hassen</creatorcontrib><creatorcontrib>Fontana, Marc D.</creatorcontrib><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Applied physics. A, Materials science & processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ouni, Inès Bejaoui</au><au>Chapron, David</au><au>Aroui, Hassen</au><au>Fontana, Marc D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermal behavior of high-frequency optical phonons in tetragonal BaTiO3 single crystal</atitle><jtitle>Applied physics. A, Materials science & processing</jtitle><stitle>Appl. Phys. A</stitle><date>2016-04-01</date><risdate>2016</risdate><volume>122</volume><issue>4</issue><artnum>480</artnum><issn>0947-8396</issn><eissn>1432-0630</eissn><abstract>The temperature dependence of the optical phonon modes in the tetragonal BaTiO
3
single crystal was investigated by means of polarized Raman spectroscopy measurements. A special attention was devoted to the Raman spectra deconvolution to separate between first- and second-order bands, which can be discriminated from the difference in the temperature behavior of scattered intensity. Both
A
1
mode motions along the polar
c
axis and
E
vibrations (except the well-known soft mode) normal to
c
were studied and discussed. The temperature dependences of frequency and damping of each optical phonon were achieved and then interpreted in terms of third- and fourth-order anharmonic potential. It was derived from this analysis that the
A
1
transverse optical phonon arising from the hardening of the soft phonon of the cubic phase possesses large anharmonic motion of Ti versus O ions. A significant anharmonicity was as well found for phonons associated with O octahedral distortion.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00339-016-0013-z</doi><orcidid>https://orcid.org/0000-0002-0738-6626</orcidid></addata></record> |
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| language | eng |
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| subjects | Characterization and Evaluation of Materials Condensed Matter Physics Machines Manufacturing Nanotechnology Optical and Electronic Materials Physics Physics and Astronomy Processes Surfaces and Interfaces Thin Films |
| title | Thermal behavior of high-frequency optical phonons in tetragonal BaTiO3 single crystal |
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