The effect of the ferroelectric domain walls in the scanning near field optical microscopy response of periodically poled ba2nanb5o15 and linbo3 crystals

T.P.J. Han; F. Jaque; J. Lamela; D. Jaque; G. Lifante; F. Cusso; A.A. Kamiskii

doi:10.1088/0953-8984/21/4/042201

The effect of the ferroelectric domain walls in the scanning near field optical microscopy response of periodically poled ba2nanb5o15 and linbo3 crystals

T.P.J. Han, F. Jaque, J. Lamela, D. Jaque, G. Lifante, F. Cusso, A.A. Kamiskii

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

A study of Ba2NaNb5O15 and LiNbO3 crystals with periodic ferroelectric domain structures using the scanning near field optical microscopy technique is reported. Optical contrast is observed in the regions of ferroelectric domain boundaries and it is analysed using beam propagation method modelling. This reveals that the optical contrast, a consequence of changes in the refractive index, is not due to variation of the waveguide-coupling efficiency, and supports the hypothesis that it is associated with the domain array, which is related to the size of the domain.

Original language	English
Pages (from-to)	1-4
Number of pages	3
Journal	Journal of Physics: Condensed Matter
Volume	21
Issue number	4
DOIs	https://doi.org/10.1088/0953-8984/21/4/042201
Publication status	Published - 28 Jan 2009

Keywords

ferroelectric domain walls
Ba2NaNb5O15
LiNbO3
crystals

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10.1088/0953-8984/21/4/042201

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title = "The effect of the ferroelectric domain walls in the scanning near field optical microscopy response of periodically poled ba2nanb5o15 and linbo3 crystals",

abstract = "A study of Ba2NaNb5O15 and LiNbO3 crystals with periodic ferroelectric domain structures using the scanning near field optical microscopy technique is reported. Optical contrast is observed in the regions of ferroelectric domain boundaries and it is analysed using beam propagation method modelling. This reveals that the optical contrast, a consequence of changes in the refractive index, is not due to variation of the waveguide-coupling efficiency, and supports the hypothesis that it is associated with the domain array, which is related to the size of the domain.",

keywords = "ferroelectric domain walls, Ba2NaNb5O15, LiNbO3, crystals",

author = "T.P.J. Han and F. Jaque and J. Lamela and D. Jaque and G. Lifante and F. Cusso and A.A. Kamiskii",

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T1 - The effect of the ferroelectric domain walls in the scanning near field optical microscopy response of periodically poled ba2nanb5o15 and linbo3 crystals

AU - Han, T.P.J.

AU - Jaque, F.

AU - Lamela, J.

AU - Jaque, D.

AU - Lifante, G.

AU - Cusso, F.

AU - Kamiskii, A.A.

PY - 2009/1/28

Y1 - 2009/1/28

N2 - A study of Ba2NaNb5O15 and LiNbO3 crystals with periodic ferroelectric domain structures using the scanning near field optical microscopy technique is reported. Optical contrast is observed in the regions of ferroelectric domain boundaries and it is analysed using beam propagation method modelling. This reveals that the optical contrast, a consequence of changes in the refractive index, is not due to variation of the waveguide-coupling efficiency, and supports the hypothesis that it is associated with the domain array, which is related to the size of the domain.

AB - A study of Ba2NaNb5O15 and LiNbO3 crystals with periodic ferroelectric domain structures using the scanning near field optical microscopy technique is reported. Optical contrast is observed in the regions of ferroelectric domain boundaries and it is analysed using beam propagation method modelling. This reveals that the optical contrast, a consequence of changes in the refractive index, is not due to variation of the waveguide-coupling efficiency, and supports the hypothesis that it is associated with the domain array, which is related to the size of the domain.

KW - ferroelectric domain walls

KW - Ba2NaNb5O15

KW - LiNbO3

KW - crystals

UR - http://dx.doi.org/10.1088/0953-8984/21/4/042201

U2 - 10.1088/0953-8984/21/4/042201

DO - 10.1088/0953-8984/21/4/042201

M3 - Article

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VL - 21

SP - 1

EP - 4

JO - Journal of Physics: Condensed Matter

JF - Journal of Physics: Condensed Matter

IS - 4

ER -

The effect of the ferroelectric domain walls in the scanning near field optical microscopy response of periodically poled ba2nanb5o15 and linbo3 crystals

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Keywords

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