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首页> 外文期刊>Physical review >Electric-field-induced domain switching in the charge/orbital-ordered state of manganite La_(0.5)Sr_(1.5)MnO_4
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Electric-field-induced domain switching in the charge/orbital-ordered state of manganite La_(0.5)Sr_(1.5)MnO_4

机译:锰La_(0.5)Sr_(1.5)MnO_4的电荷/轨道有序状态下的电场诱导畴转换

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摘要

Domain switching in the charge/orbital-ordered state of La_(0.5)Sr_(1.5)MnO_4, which can be manipulated by applying an electric field, was studied by in situ transmission electron microscopy. Dark-field images revealed the formation of micrometer-scale charge/orbital-ordered domains on cooling, which were separated by a clearly defined, meandering interface. Applying a uniaxial electric field aided the growth of a domain with its orbital chain (i.e., the direction of easy electron hopping) parallel to the applied field. These observations provide useful information for understanding of the switching mechanism of charge/orbital-ordered domains in manganite.
机译:通过原位透射电子显微镜研究了La_(0.5)Sr_(1.5)MnO_4的电荷/轨道有序状态下的畴切换,该畴可以通过施加电场来操纵。暗场图像显示冷却时形成了微米级的电荷/轨道有序域,这些域由清晰定义的曲折界面隔开。施加单轴电场有助于其轨道链(即易电子跳跃的方向)平行于所施加电场的畴的生长。这些观察结果为理解锰矿中电荷/轨道序域的转换机制提供了有用的信息。

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