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Strain-effected physical properties of ferromagnetic insulating La0.88Sr0.12MnO3 thin films

机译：铁磁绝缘La0.88Sr0.12MnO3薄膜的应变影响物理性能

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The functional perovskite La _(1? x ) Sr _( x ) MnO _(3) (LSMO) possesses various exotic phases owing to competing physical parameters and internal degrees of freedom. In particular, the nature of the ferromagnetic insulating phase (FMI) has not been adequately explored, resulting in a limited understanding of the relationship between crystal structure and magnetism. To investigate this structure–property relationship, epitaxial La _(0.88) Sr _(0.12) MnO _(3) thin films were grown on two different substrates, (001) SrTiO _(3) and (001) (LaAlO _(3) ) _(0.3) (Sr _(2) AlTaO _(6) ) _(0.7) , by pulsed laser deposition. Element-specific and surface-sensitive techniques were applied in conjunction with bulk magnetometry to investigate the inextricable link between the structures and magnetic properties of the films and the effects of tuning the strain. The results unambiguously demonstrate that structure–property relationship of a FMI LSMO tuned by strain has a crucial role for manipulating the properties in the FMI regime.
机译：由于竞争的物理参数和内部自由度，功能性钙钛矿La _（1？x）Sr _（x）MnO _（3）（LSMO）具有各种奇异相。尤其是，铁磁绝缘相（FMI）的性质尚未得到充分研究，导致对晶体结构和磁性之间关系的了解有限。为了研究这种结构与特性的关系，在两种不同的衬底上生长了外延La _（0.88）Sr _（0.12）MnO _（3）薄膜，分别是（001）SrTiO _（3）和（001）（LaAlO _（3 ））_（0.3）（Sr _（2）AlTaO _（6））_（0.7），通过脉冲激光沉积进行。将特定于元素的表面敏感技术与体磁测量技术结合使用，以研究薄膜的结构和磁性能之间不可分割的联系以及调整应变的影响。结果清楚地表明，通过应变调整的FMI LSMO的结构-属性关系对于操纵FMI制度中的属性具有至关重要的作用。

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