1999
DOI: 10.1080/00150199908226132
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High field dielectric behaviour of ferroelectric ceramics

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Cited by 101 publications
(82 citation statements)
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“…In previous work, Rayleigh law has been used to investigate the extrinsic contribution to the dielectric and piezoelectric responses in ferroelectric materials. [5][6][7][8][9][10] Therefore, Rayleigh law gives a way to investigate the domain size (reciprocal of domain wall density) effect in domain engineered single crystals.…”
Section: Introductionmentioning
confidence: 99%
“…In previous work, Rayleigh law has been used to investigate the extrinsic contribution to the dielectric and piezoelectric responses in ferroelectric materials. [5][6][7][8][9][10] Therefore, Rayleigh law gives a way to investigate the domain size (reciprocal of domain wall density) effect in domain engineered single crystals.…”
Section: Introductionmentioning
confidence: 99%
“…El primer modelo utilizado, que proviene del magnetismo, es el modelo de Rayleigh (1,4). SegĂșn este modelo, la permitividad dielĂ©ctrica aumenta con la amplitud del campo elĂ©ctrico aplicado E 0 , al igual que las pĂ©rdidas dielĂ©ctricas: [2] siendo D el vector desplazamiento elĂ©ctrico y E el valor instantĂĄneo del campo elĂ©ctrico (5).…”
Section: Comportamiento No Linealunclassified
“…En un estudio mĂĄs detallado de estas contribuciones, se ha descompuesto el incremento de la constante dielĂ©ctrica en dos contribuciones ∆Δ'=Δ α +Δ ÎČ , una Δ α que es igual al incremento de la constante dielĂ©ctrica a campo elĂ©ctrico instantĂĄneo nulo, que depende Ășnicamente de la amplitud del campo elĂ©ctrico E 0 , y otra contribuciĂłn Δ ÎČ que recoge la dependencia instantĂĄnea con el campo elĂ©ctrico E: [4] Se ha obtenido que la relaciĂłn entre Δ'' y Δ α es una relaciĂłn lineal, m α =Δ''/Δ α = 0.42, tal como predice el modelo de Rayleigh. SĂłlo en el caso en que Δ ÎČ fuese nulo, como prĂĄcticamente ocurre en los materiales blandos, se cumplirĂ­a que m α =m Δ .…”
Section: Tipos De Paredes De Dominiounclassified
“…All these effects imply not only high coefficients, but also dielectric, elastic and piezoelectric non-linear behaviours (1)(2)(3)(4). Sometimes these effects are undesired, for example when the losses in high power devices increase.…”
Section: Introductionmentioning
confidence: 99%