Rhombohedral LSMO films – a unique case of ferroelastic domain formation

Rhombohedral LSMO films – a unique case of ferroelastic domain formation
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DOI：
10.1002/pssa.200510006
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发表时间：
2005-03
期刊：
physica status solidi (a)
影响因子：
--
通讯作者：
N. Farag;M. Bobeth;W. Pompe;A. Romanov;J. Speck
N. Farag;M. Bobeth;W. Pompe;A. Romanov;J. Speck
中科院分区：
其他
文献类型：
--
作者：
N. Farag;M. Bobeth;W. Pompe;A. Romanov;J. Speck

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在（001）或（011）取向的SrTiO 3（STO）上生长的菱面体La 1-xSrxMnO 3（LSMO）薄膜中，铁弹畴的形成发生在高温下的薄膜沉积过程中，而不像其他常见的钙钛矿薄膜，结构相变和畴的形成只发生在冷却过程中.由于一个相对较小的晶格参数失配，LSMO/STO系统应该是一个理想的情况下，没有额外的应变弛豫效应，包括失配位错形成的磁畴形成的实验观察。（© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA，魏因海姆）
Ferroelastic domain formation in thin films of rhombohedral La1–xSrxMnO3 (LSMO), coherently grown on (001) or (011) oriented SrTiO3 (STO), is suggested to occur during film deposition at elevated temperatures, unlike other common perovskite films where structural phase transition and domain formation take place only during cooling. Due to a comparatively small lattice parameter misfit, the LSMO/STO system should be an ideal case for the experimental observation of domain formation without additional strain relaxation effects including misfit dislocation formation. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)