Effect of Mg doping on dielectric properties of sol-gel derived (Pb0.7Sr0.3)MgxTi1–xO3–x thin film

(Pb 0.7 Sr 0.3 )Mg x Ti 1– x O 3– x ( x  = 0 ∼ 0.3) thin films were successfully prepared on ITO/glass substrate by sol-gel technique. The crystalline phase structures were measured through X-ray diffraction (XRD). The dielectric properties were measured by a precision impedance analyzer. Results sh...

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Veröffentlicht in:Journal of electroceramics 2008-12, Vol.21 (1-4), p.128-131
Hauptverfasser: Li, X. T., Huo, W. L., Weng, W. J., Han, G. R., Du, P. Y.
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container_end_page 131
container_issue 1-4
container_start_page 128
container_title Journal of electroceramics
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creator Li, X. T.
Huo, W. L.
Weng, W. J.
Han, G. R.
Du, P. Y.
description (Pb 0.7 Sr 0.3 )Mg x Ti 1– x O 3– x ( x  = 0 ∼ 0.3) thin films were successfully prepared on ITO/glass substrate by sol-gel technique. The crystalline phase structures were measured through X-ray diffraction (XRD). The dielectric properties were measured by a precision impedance analyzer. Results show that the perovskite phase was stable in (Pb 0.7 Sr 0.3 )Mg x Ti 1– x O 3– x thin film. Its lattice constant was found to decrease with the increase of x when x   0.1.The crystalline phase formation and the dielectric properties of the (Pb 0.7 Sr 0.3 )Mg x Ti 1– x O 3– x thin film depend on Mg doping content. The phase formation ability was decreased below x  = 0.1 and then increased above x  = 0.1 with the increase in x . The dielectric constant of the thin film is correspondingly changed. The tunabilities of about 35% ∼ 63% were obtained at 10 kHz. The highest tunability and the lowest dielectric loss of the thin films appeared at x  = 0.2. The FOM of the thin film with Mg doping of x  = 0.2 is about three times higher than that of x  = 0.1 under applied frequency of 10 kHz.
doi_str_mv 10.1007/s10832-007-9088-4
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T. ; Huo, W. L. ; Weng, W. J. ; Han, G. R. ; Du, P. Y.</creator><creatorcontrib>Li, X. T. ; Huo, W. L. ; Weng, W. J. ; Han, G. R. ; Du, P. Y.</creatorcontrib><description>(Pb 0.7 Sr 0.3 )Mg x Ti 1– x O 3– x ( x  = 0 ∼ 0.3) thin films were successfully prepared on ITO/glass substrate by sol-gel technique. The crystalline phase structures were measured through X-ray diffraction (XRD). The dielectric properties were measured by a precision impedance analyzer. Results show that the perovskite phase was stable in (Pb 0.7 Sr 0.3 )Mg x Ti 1– x O 3– x thin film. Its lattice constant was found to decrease with the increase of x when x  &lt; 0.1 and increase when x  &gt; 0.1.The crystalline phase formation and the dielectric properties of the (Pb 0.7 Sr 0.3 )Mg x Ti 1– x O 3– x thin film depend on Mg doping content. The phase formation ability was decreased below x  = 0.1 and then increased above x  = 0.1 with the increase in x . The dielectric constant of the thin film is correspondingly changed. The tunabilities of about 35% ∼ 63% were obtained at 10 kHz. The highest tunability and the lowest dielectric loss of the thin films appeared at x  = 0.2. 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T.</creatorcontrib><creatorcontrib>Huo, W. L.</creatorcontrib><creatorcontrib>Weng, W. J.</creatorcontrib><creatorcontrib>Han, G. R.</creatorcontrib><creatorcontrib>Du, P. Y.</creatorcontrib><collection>Pascal-Francis</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of electroceramics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, X. T.</au><au>Huo, W. L.</au><au>Weng, W. J.</au><au>Han, G. R.</au><au>Du, P. Y.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Mg doping on dielectric properties of sol-gel derived (Pb0.7Sr0.3)MgxTi1–xO3–x thin film</atitle><jtitle>Journal of electroceramics</jtitle><stitle>J Electroceram</stitle><date>2008-12-01</date><risdate>2008</risdate><volume>21</volume><issue>1-4</issue><spage>128</spage><epage>131</epage><pages>128-131</pages><issn>1385-3449</issn><eissn>1573-8663</eissn><coden>JOELFJ</coden><abstract>(Pb 0.7 Sr 0.3 )Mg x Ti 1– x O 3– x ( x  = 0 ∼ 0.3) thin films were successfully prepared on ITO/glass substrate by sol-gel technique. The crystalline phase structures were measured through X-ray diffraction (XRD). The dielectric properties were measured by a precision impedance analyzer. Results show that the perovskite phase was stable in (Pb 0.7 Sr 0.3 )Mg x Ti 1– x O 3– x thin film. Its lattice constant was found to decrease with the increase of x when x  &lt; 0.1 and increase when x  &gt; 0.1.The crystalline phase formation and the dielectric properties of the (Pb 0.7 Sr 0.3 )Mg x Ti 1– x O 3– x thin film depend on Mg doping content. The phase formation ability was decreased below x  = 0.1 and then increased above x  = 0.1 with the increase in x . The dielectric constant of the thin film is correspondingly changed. The tunabilities of about 35% ∼ 63% were obtained at 10 kHz. The highest tunability and the lowest dielectric loss of the thin films appeared at x  = 0.2. The FOM of the thin film with Mg doping of x  = 0.2 is about three times higher than that of x  = 0.1 under applied frequency of 10 kHz.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s10832-007-9088-4</doi><tpages>4</tpages></addata></record>
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subjects Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Crystallography and Scattering Methods
Dielectric loss and relaxation
Dielectric properties of solids and liquids
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Electrochemistry
Exact sciences and technology
Glass
Materials Science
Natural Materials
Optical and Electronic Materials
Permittivity (dielectric function)
Physics
title Effect of Mg doping on dielectric properties of sol-gel derived (Pb0.7Sr0.3)MgxTi1–xO3–x thin film
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