Are ferroelectric multilayers capacitors in series?
We show that ferroelectric multilayers are not simple capacitors in series (CIS) and treating these as CIS may lead to misinterpretation of experimental results and to erroneous conclusions. Here, we present a theoretical model of ferroelectric bilayers using basic thermodynamics taking into account...
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| Veröffentlicht in: | Journal of materials science 2016-01, Vol.51 (1), p.499-505 |
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| container_title | Journal of materials science |
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| creator | Sun, F.-C Kesim, M. T Espinal, Y Alpay, S. P |
| description | We show that ferroelectric multilayers are not simple capacitors in series (CIS) and treating these as CIS may lead to misinterpretation of experimental results and to erroneous conclusions. Here, we present a theoretical model of ferroelectric bilayers using basic thermodynamics taking into account the appropriate electrical boundary conditions and electrostatic fields. The spontaneous polarization mismatch in ferroelectric/ferroelectric (FE/FE), FE/paraelectric (FE/PE), and FE/dielectric (FE/DE) bilayers results in a non-linear electrostatic coupling which produces significant deviations in the overall dielectric response if it is computed using the simple capacitor-in-series (CIS) model. Our results show that the CIS approach is a good approximation only for DE/DE multilayers and for FE heterostructures if the individual layers are electrostatically screened from each other. |
| doi_str_mv | 10.1007/s10853-015-9298-0 |
| format | Article |
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Our results show that the CIS approach is a good approximation only for DE/DE multilayers and for FE heterostructures if the individual layers are electrostatically screened from each other.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1007/s10853-015-9298-0</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>50th Anniversary ; Bilayers ; Boundary conditions ; Capacitors ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Classical Mechanics ; Crystallography and Scattering Methods ; Electric fields ; electrical equipment ; Electronic components industry ; Ferroelectric materials ; Ferroelectricity ; Heterostructures ; Materials Science ; Multilayers ; Polymer Sciences ; Solid Mechanics ; thermodynamics</subject><ispartof>Journal of materials science, 2016-01, Vol.51 (1), p.499-505</ispartof><rights>Springer Science+Business Media New York 2015</rights><rights>COPYRIGHT 2016 Springer</rights><rights>Journal of Materials Science is a copyright of Springer, (2015). 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Our results show that the CIS approach is a good approximation only for DE/DE multilayers and for FE heterostructures if the individual layers are electrostatically screened from each other.</description><subject>50th Anniversary</subject><subject>Bilayers</subject><subject>Boundary conditions</subject><subject>Capacitors</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Classical Mechanics</subject><subject>Crystallography and Scattering Methods</subject><subject>Electric fields</subject><subject>electrical equipment</subject><subject>Electronic components industry</subject><subject>Ferroelectric materials</subject><subject>Ferroelectricity</subject><subject>Heterostructures</subject><subject>Materials Science</subject><subject>Multilayers</subject><subject>Polymer Sciences</subject><subject>Solid Mechanics</subject><subject>thermodynamics</subject><issn>0022-2461</issn><issn>1573-4803</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp9kU1LAzEQhoMoWD9-gCcLnjysziSbbHKSIn6BIFh7Dtk0WVK2uzXZgv33pqwgXmQOGcLzZIY3hFwg3CBAdZsQJGcFIC8UVbKAAzJBXrGilMAOyQSA0oKWAo_JSUorAOAVxQlhs-im3sXYu9bZIQY7XW_bIbRm52KaWrMxNgx9bkM3TS4Gl-7OyJE3bXLnP-cpWTw-fNw_F69vTy_3s9fClpINhaDIvPGlkMIos-SeohSqrt1SIlPcQyUZ86W3IJSwoq5V7WsKSlmOjJaUnZKr8d1N7D-3Lg161W9jl0dqSrkSqKjATN2MVGNap0Pn-yEam2vp1sH2nfMh389KxjjKElkWrv8ImRnc19CYbUr6Zf7-l8WRtbFPKTqvNzGsTdxpBL0PXo_B6xy83gevITt0dFJmu8bF37X_ky5HyZtemyaGpBdzCijyT6HIOPsGwIKMFA</recordid><startdate>20160101</startdate><enddate>20160101</enddate><creator>Sun, F.-C</creator><creator>Kesim, M. 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| subjects | 50th Anniversary Bilayers Boundary conditions Capacitors Characterization and Evaluation of Materials Chemistry and Materials Science Classical Mechanics Crystallography and Scattering Methods Electric fields electrical equipment Electronic components industry Ferroelectric materials Ferroelectricity Heterostructures Materials Science Multilayers Polymer Sciences Solid Mechanics thermodynamics |
| title | Are ferroelectric multilayers capacitors in series? |
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