Electrical control of ln-plane anisotropy in charge-orbital ordered state of single-layered manganite La1/2Sr3/2MnO4

Shota Konno; Koji Taniguchi; Hajime Sagayama; Taka Hisa Arima

doi:10.1143/APEX.2.033004

Electrical control of ln-plane anisotropy in charge-orbital ordered state of single-layered manganite La_1/2Sr_3/2MnO₄

Shota Konno, Koji Taniguchi, Hajime Sagayama, Taka Hisa Arima

Materials Development Division

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

2 Citations (Scopus)

Abstract

We have investigated the electric field effect on the domain structure with respect to the orbital-stripe direction in the charge-orbital-ordered (COO) state of the layered manganite La_1/2Sr_3/2MnO₄. A fine 90° domain structure is observed using a polarizing microscope. After the application of electrical current to melt COO domains by Joule heating and the following gradual decrease in the current, one kind of COO domain becomes predominant. Synchrotron X-ray diffraction analysis confirms that orbital stripes tend to extend parallel to the electric field direction.

Original language	English
Article number	033004
Journal	Applied Physics Express
Volume	2
Issue number	3
DOIs	https://doi.org/10.1143/APEX.2.033004
Publication status	Published - 2009 Mar 1

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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abstract = "We have investigated the electric field effect on the domain structure with respect to the orbital-stripe direction in the charge-orbital-ordered (COO) state of the layered manganite La1/2Sr3/2MnO4. A fine 90° domain structure is observed using a polarizing microscope. After the application of electrical current to melt COO domains by Joule heating and the following gradual decrease in the current, one kind of COO domain becomes predominant. Synchrotron X-ray diffraction analysis confirms that orbital stripes tend to extend parallel to the electric field direction.",

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AU - Arima, Taka Hisa

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N2 - We have investigated the electric field effect on the domain structure with respect to the orbital-stripe direction in the charge-orbital-ordered (COO) state of the layered manganite La1/2Sr3/2MnO4. A fine 90° domain structure is observed using a polarizing microscope. After the application of electrical current to melt COO domains by Joule heating and the following gradual decrease in the current, one kind of COO domain becomes predominant. Synchrotron X-ray diffraction analysis confirms that orbital stripes tend to extend parallel to the electric field direction.

AB - We have investigated the electric field effect on the domain structure with respect to the orbital-stripe direction in the charge-orbital-ordered (COO) state of the layered manganite La1/2Sr3/2MnO4. A fine 90° domain structure is observed using a polarizing microscope. After the application of electrical current to melt COO domains by Joule heating and the following gradual decrease in the current, one kind of COO domain becomes predominant. Synchrotron X-ray diffraction analysis confirms that orbital stripes tend to extend parallel to the electric field direction.

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