Electrically tuned transmission and dielectric properties of illuminated and non-illuminated barium titanate thin film in terahertz regime
Transmission and dielectric properties of non-illuminated and illuminated barium titanate thin film were investigated by time-domain terahertz spectrometer and tuned by an electric field. Compared with the sample illuminated by 532 nm laser, the electric field could realize a higher modulation in th...
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| Veröffentlicht in: | Journal of alloys and compounds 2018-05, Vol.747, p.629-635 |
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| container_title | Journal of alloys and compounds |
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| creator | Ji, Jie Yue, Jin Zhou, Siyan Tian, Yue Zhang, Jingcheng Ling, Furi Wang, Huaixing Luo, Chunya Yao, Jianquan |
| description | Transmission and dielectric properties of non-illuminated and illuminated barium titanate thin film were investigated by time-domain terahertz spectrometer and tuned by an electric field. Compared with the sample illuminated by 532 nm laser, the electric field could realize a higher modulation in the phase of the transmission for the nonilluminated sample. Results displayed that when the sample was illuminated by green laser, optical field suppressed the effect of electric field on transmission and dielectric properties of BTO thin film, because excited carriers from the substrate and ferroelectric thin film would form a built-in electric field to shield the external electric field. In addition, optical field and electrical field would play different roles in the lattice dynamics of the ferroelectric thin film.
•Transmission and dielectric properties of BTO thin film were studied in THz region.•Properties of non-illuminated and illuminated BTO thin film were compared.•A comprehensive model was used to analyze the lattice dynamics of BTO thin film.•Optical field weakened the effect of electric field on the properties of the film. |
| doi_str_mv | 10.1016/j.jallcom.2018.02.002 |
| format | Article |
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•Transmission and dielectric properties of BTO thin film were studied in THz region.•Properties of non-illuminated and illuminated BTO thin film were compared.•A comprehensive model was used to analyze the lattice dynamics of BTO thin film.•Optical field weakened the effect of electric field on the properties of the film.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2018.02.002</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Barium titanates ; Dielectric properties ; Electric fields ; Ferroelectric materials ; Ferroelectric thin film ; Ferroelectricity ; Ferroelectrics ; Photoelectrical effect ; Soft mode ; Substrates ; Terahertz modulator ; Thin films</subject><ispartof>Journal of alloys and compounds, 2018-05, Vol.747, p.629-635</ispartof><rights>2018 Elsevier B.V.</rights><rights>Copyright Elsevier BV May 30, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-84bc746c887c464ca8785e1aca00c8edb5e0913a6917b4695887b3e2b70c6fbb3</citedby><cites>FETCH-LOGICAL-c337t-84bc746c887c464ca8785e1aca00c8edb5e0913a6917b4695887b3e2b70c6fbb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jallcom.2018.02.002$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Ji, Jie</creatorcontrib><creatorcontrib>Yue, Jin</creatorcontrib><creatorcontrib>Zhou, Siyan</creatorcontrib><creatorcontrib>Tian, Yue</creatorcontrib><creatorcontrib>Zhang, Jingcheng</creatorcontrib><creatorcontrib>Ling, Furi</creatorcontrib><creatorcontrib>Wang, Huaixing</creatorcontrib><creatorcontrib>Luo, Chunya</creatorcontrib><creatorcontrib>Yao, Jianquan</creatorcontrib><title>Electrically tuned transmission and dielectric properties of illuminated and non-illuminated barium titanate thin film in terahertz regime</title><title>Journal of alloys and compounds</title><description>Transmission and dielectric properties of non-illuminated and illuminated barium titanate thin film were investigated by time-domain terahertz spectrometer and tuned by an electric field. Compared with the sample illuminated by 532 nm laser, the electric field could realize a higher modulation in the phase of the transmission for the nonilluminated sample. Results displayed that when the sample was illuminated by green laser, optical field suppressed the effect of electric field on transmission and dielectric properties of BTO thin film, because excited carriers from the substrate and ferroelectric thin film would form a built-in electric field to shield the external electric field. In addition, optical field and electrical field would play different roles in the lattice dynamics of the ferroelectric thin film.
•Transmission and dielectric properties of BTO thin film were studied in THz region.•Properties of non-illuminated and illuminated BTO thin film were compared.•A comprehensive model was used to analyze the lattice dynamics of BTO thin film.•Optical field weakened the effect of electric field on the properties of the film.</description><subject>Barium titanates</subject><subject>Dielectric properties</subject><subject>Electric fields</subject><subject>Ferroelectric materials</subject><subject>Ferroelectric thin film</subject><subject>Ferroelectricity</subject><subject>Ferroelectrics</subject><subject>Photoelectrical effect</subject><subject>Soft mode</subject><subject>Substrates</subject><subject>Terahertz modulator</subject><subject>Thin films</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkE1r3DAQhkVoINukP6EgyNnuyB-yfCph2aSFQC7JWcjyuDvGlreSXNj-hPzqatk99JbTwPC87zAPY18F5AKE_Dbmo5kmu8x5AULlUOQAxRXbCNWUWSVl-4ltoC3qTJVK3bDPIYwAINpSbNj7bkIbPdnUcORxddjz6I0LM4VAi-PG9bwnvFD84JcD-kgY-DJwmqZ1JmdiSp1At7js_11nPK0zjxTNacHjnhwfaJp5mhG92aeuv9zjL5rxjl0PZgr45TJv2dvj7nX7I3t-efq5fXjObFk2MVNVZ5tKWqUaW8nKGtWoGoWxBsAq7LsaoRWlka1oukq2dQK7EouuASuHritv2f25N_3ye8UQ9bis3qWTuoAmiWoLKRNVnynrlxA8DvrgaTb-qAXok3Y96ot2fdKuodBJe8p9P-cwvfCH0OtgCZ3FnnxyqPuFPmj4B6BvkfQ</recordid><startdate>20180530</startdate><enddate>20180530</enddate><creator>Ji, Jie</creator><creator>Yue, Jin</creator><creator>Zhou, Siyan</creator><creator>Tian, Yue</creator><creator>Zhang, Jingcheng</creator><creator>Ling, Furi</creator><creator>Wang, Huaixing</creator><creator>Luo, Chunya</creator><creator>Yao, Jianquan</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></search><sort><creationdate>20180530</creationdate><title>Electrically tuned transmission and dielectric properties of illuminated and non-illuminated barium titanate thin film in terahertz regime</title><author>Ji, Jie ; Yue, Jin ; Zhou, Siyan ; Tian, Yue ; Zhang, Jingcheng ; Ling, Furi ; Wang, Huaixing ; Luo, Chunya ; Yao, Jianquan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-84bc746c887c464ca8785e1aca00c8edb5e0913a6917b4695887b3e2b70c6fbb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Barium titanates</topic><topic>Dielectric properties</topic><topic>Electric fields</topic><topic>Ferroelectric materials</topic><topic>Ferroelectric thin film</topic><topic>Ferroelectricity</topic><topic>Ferroelectrics</topic><topic>Photoelectrical effect</topic><topic>Soft mode</topic><topic>Substrates</topic><topic>Terahertz modulator</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ji, Jie</creatorcontrib><creatorcontrib>Yue, Jin</creatorcontrib><creatorcontrib>Zhou, Siyan</creatorcontrib><creatorcontrib>Tian, Yue</creatorcontrib><creatorcontrib>Zhang, Jingcheng</creatorcontrib><creatorcontrib>Ling, Furi</creatorcontrib><creatorcontrib>Wang, Huaixing</creatorcontrib><creatorcontrib>Luo, Chunya</creatorcontrib><creatorcontrib>Yao, Jianquan</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>Ji, Jie</au><au>Yue, Jin</au><au>Zhou, Siyan</au><au>Tian, Yue</au><au>Zhang, Jingcheng</au><au>Ling, Furi</au><au>Wang, Huaixing</au><au>Luo, Chunya</au><au>Yao, Jianquan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrically tuned transmission and dielectric properties of illuminated and non-illuminated barium titanate thin film in terahertz regime</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2018-05-30</date><risdate>2018</risdate><volume>747</volume><spage>629</spage><epage>635</epage><pages>629-635</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>Transmission and dielectric properties of non-illuminated and illuminated barium titanate thin film were investigated by time-domain terahertz spectrometer and tuned by an electric field. Compared with the sample illuminated by 532 nm laser, the electric field could realize a higher modulation in the phase of the transmission for the nonilluminated sample. Results displayed that when the sample was illuminated by green laser, optical field suppressed the effect of electric field on transmission and dielectric properties of BTO thin film, because excited carriers from the substrate and ferroelectric thin film would form a built-in electric field to shield the external electric field. In addition, optical field and electrical field would play different roles in the lattice dynamics of the ferroelectric thin film.
•Transmission and dielectric properties of BTO thin film were studied in THz region.•Properties of non-illuminated and illuminated BTO thin film were compared.•A comprehensive model was used to analyze the lattice dynamics of BTO thin film.•Optical field weakened the effect of electric field on the properties of the film.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2018.02.002</doi><tpages>7</tpages></addata></record> |
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| subjects | Barium titanates Dielectric properties Electric fields Ferroelectric materials Ferroelectric thin film Ferroelectricity Ferroelectrics Photoelectrical effect Soft mode Substrates Terahertz modulator Thin films |
| title | Electrically tuned transmission and dielectric properties of illuminated and non-illuminated barium titanate thin film in terahertz regime |
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