Photochemical switching of ultrathin PbTi O3 films

R. Takahashi; J. K. Grepstad; T. Tybell; Y. Matsumoto

doi:10.1063/1.2890485

Photochemical switching of ultrathin PbTi O3 films

R. Takahashi, J. K. Grepstad, T. Tybell, Y. Matsumoto

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

27 Citations (Scopus)

Abstract

The ferroelectric domain ground state of PbTi O3 thin films on Nb:SrTi O3 substrates has been studied as a function of film thickness. High resolution linear Qx x-ray diffraction profiles were recorded in order to probe the presence of stripe domains, which were invariably observed for as-grown samples. After photochemical treatment, films thinner than 50 unit cells were switched to a monodomain state that could be reversed upon subsequent annealing. The stripe-domain state is linked to a Qx modulation of the Qz parameter in the reciprocal space, which disappears upon switching.

Original language	English
Article number	112901
Journal	Applied Physics Letters
Volume	92
Issue number	11
DOIs	https://doi.org/10.1063/1.2890485
Publication status	Published - 2008
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "The ferroelectric domain ground state of PbTi O3 thin films on Nb:SrTi O3 substrates has been studied as a function of film thickness. High resolution linear Qx x-ray diffraction profiles were recorded in order to probe the presence of stripe domains, which were invariably observed for as-grown samples. After photochemical treatment, films thinner than 50 unit cells were switched to a monodomain state that could be reversed upon subsequent annealing. The stripe-domain state is linked to a Qx modulation of the Qz parameter in the reciprocal space, which disappears upon switching.",

author = "R. Takahashi and Grepstad, {J. K.} and T. Tybell and Y. Matsumoto",

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AU - Grepstad, J. K.

AU - Tybell, T.

AU - Matsumoto, Y.

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N2 - The ferroelectric domain ground state of PbTi O3 thin films on Nb:SrTi O3 substrates has been studied as a function of film thickness. High resolution linear Qx x-ray diffraction profiles were recorded in order to probe the presence of stripe domains, which were invariably observed for as-grown samples. After photochemical treatment, films thinner than 50 unit cells were switched to a monodomain state that could be reversed upon subsequent annealing. The stripe-domain state is linked to a Qx modulation of the Qz parameter in the reciprocal space, which disappears upon switching.

AB - The ferroelectric domain ground state of PbTi O3 thin films on Nb:SrTi O3 substrates has been studied as a function of film thickness. High resolution linear Qx x-ray diffraction profiles were recorded in order to probe the presence of stripe domains, which were invariably observed for as-grown samples. After photochemical treatment, films thinner than 50 unit cells were switched to a monodomain state that could be reversed upon subsequent annealing. The stripe-domain state is linked to a Qx modulation of the Qz parameter in the reciprocal space, which disappears upon switching.

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Photochemical switching of ultrathin PbTi O3 films

Abstract

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