Probing field-induced submolecular motions in a ferroelectric liquid crystal mixture with time-resolved two-dimensional infrared spectroscopy
Time-resolved two-dimensional infrared (2D IR) spectroscopy has been applied to analyse an electro-optic switching ferroelectric liquid crystal (FLC) mixture. The 2D IR correlation technique clearly shows that the Goldstone mode in the SmC* phase is suppressed by an applied electric field. The field...
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| Veröffentlicht in: | Journal of physics. Condensed matter 2006-08, Vol.18 (32), p.7593-7603 |
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| container_title | Journal of physics. Condensed matter |
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| creator | Huang, Jung Y Shih, Wen-Tse |
| description | Time-resolved two-dimensional infrared (2D IR) spectroscopy has been applied to analyse an electro-optic switching ferroelectric liquid crystal (FLC) mixture. The 2D IR correlation technique clearly shows that the Goldstone mode in the SmC* phase is suppressed by an applied electric field. The field-induced reorientation process initiates from intramolecular motions in about 10 µs. The intramolecular motions then propagate from the molecular segments attached to the same molecule to those fragments on other surrounding molecules. During the field-induced switching, the IR dipoles undergo a collective reorientation but with hindered rotation about the molecular long axis. |
| doi_str_mv | 10.1088/0953-8984/18/32/008 |
| format | Article |
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The 2D IR correlation technique clearly shows that the Goldstone mode in the SmC* phase is suppressed by an applied electric field. The field-induced reorientation process initiates from intramolecular motions in about 10 µs. The intramolecular motions then propagate from the molecular segments attached to the same molecule to those fragments on other surrounding molecules. During the field-induced switching, the IR dipoles undergo a collective reorientation but with hindered rotation about the molecular long axis.</description><identifier>ISSN: 0953-8984</identifier><identifier>EISSN: 1361-648X</identifier><identifier>DOI: 10.1088/0953-8984/18/32/008</identifier><identifier>PMID: 21690872</identifier><identifier>CODEN: JCOMEL</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Condensed matter: structure, mechanical and thermal properties ; Dielectric, piezoelectric, ferroelectric and antiferroelectric materials ; Dielectrics, piezoelectrics, and ferroelectrics and their properties ; Exact sciences and technology ; Liquid crystals ; Liquids and liquid crystals ; Physics ; Structure of solids and liquids; crystallography</subject><ispartof>Journal of physics. 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During the field-induced switching, the IR dipoles undergo a collective reorientation but with hindered rotation about the molecular long axis.</description><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Dielectric, piezoelectric, ferroelectric and antiferroelectric materials</subject><subject>Dielectrics, piezoelectrics, and ferroelectrics and their properties</subject><subject>Exact sciences and technology</subject><subject>Liquid crystals</subject><subject>Liquids and liquid crystals</subject><subject>Physics</subject><subject>Structure of solids and liquids; crystallography</subject><issn>0953-8984</issn><issn>1361-648X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNp9kU2LFDEQhoMo7rj6CwTJRQWhd5LO93FZ_IIFPSh4C5kkrZF0pzdJu86P8D-bZsbxoGzqEEg99VaqXgCeYnSBkZRbpBjppJJ0i-WW9FuE5D2wwYTjjlP55T7YnIgz8KiU7wghKgl9CM56zBWSot-AXx9z2oXpKxyCj64Lk1usd7AsuzFFb5doMhxTDWkqMEzQwMHnnHxL1RwsjOFmCQ7avC_VRDiGn3XJHt6G-g3WMPou-5Lij6ZYb1Pn2stUmlZDwzRkk9dW86qVik3z_jF4MJhY_JPjfQ4-v3n96epdd_3h7fury-vOUqJqR5ikju2YYkIIihVH2CLjlSNY2hZYEiIE4061w3vnDR4GKyXHSnCBPTkHLw-6c043iy9Vj6FYH6OZfFqKloIQzIjCjXxxJ9krqThhtIHkANo2S8l-0HMOo8l7jZFe_dKrG3p1Q2OpSa-bX63q2VG-Ldy7U80fgxrw_AiYYk1sO5tsKH-1JeoFoqxxrw5cSPMp-5-OenZDgy_-he_65m_r2Ls0</recordid><startdate>20060816</startdate><enddate>20060816</enddate><creator>Huang, Jung Y</creator><creator>Shih, Wen-Tse</creator><general>IOP Publishing</general><general>Institute of Physics</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20060816</creationdate><title>Probing field-induced submolecular motions in a ferroelectric liquid crystal mixture with time-resolved two-dimensional infrared spectroscopy</title><author>Huang, Jung Y ; Shih, Wen-Tse</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c439t-3584d5b595777419601c0ae9d318c8c818337756d999962dea1ffc886197671e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Dielectric, piezoelectric, ferroelectric and antiferroelectric materials</topic><topic>Dielectrics, piezoelectrics, and ferroelectrics and their properties</topic><topic>Exact sciences and technology</topic><topic>Liquid crystals</topic><topic>Liquids and liquid crystals</topic><topic>Physics</topic><topic>Structure of solids and liquids; crystallography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, Jung Y</creatorcontrib><creatorcontrib>Shih, Wen-Tse</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of physics. Condensed matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Jung Y</au><au>Shih, Wen-Tse</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Probing field-induced submolecular motions in a ferroelectric liquid crystal mixture with time-resolved two-dimensional infrared spectroscopy</atitle><jtitle>Journal of physics. Condensed matter</jtitle><addtitle>J Phys Condens Matter</addtitle><date>2006-08-16</date><risdate>2006</risdate><volume>18</volume><issue>32</issue><spage>7593</spage><epage>7603</epage><pages>7593-7603</pages><issn>0953-8984</issn><eissn>1361-648X</eissn><coden>JCOMEL</coden><abstract>Time-resolved two-dimensional infrared (2D IR) spectroscopy has been applied to analyse an electro-optic switching ferroelectric liquid crystal (FLC) mixture. The 2D IR correlation technique clearly shows that the Goldstone mode in the SmC* phase is suppressed by an applied electric field. The field-induced reorientation process initiates from intramolecular motions in about 10 µs. The intramolecular motions then propagate from the molecular segments attached to the same molecule to those fragments on other surrounding molecules. During the field-induced switching, the IR dipoles undergo a collective reorientation but with hindered rotation about the molecular long axis.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><pmid>21690872</pmid><doi>10.1088/0953-8984/18/32/008</doi><tpages>11</tpages></addata></record> |
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| subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Dielectric, piezoelectric, ferroelectric and antiferroelectric materials Dielectrics, piezoelectrics, and ferroelectrics and their properties Exact sciences and technology Liquid crystals Liquids and liquid crystals Physics Structure of solids and liquids crystallography |
| title | Probing field-induced submolecular motions in a ferroelectric liquid crystal mixture with time-resolved two-dimensional infrared spectroscopy |
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