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

机译:菌株效果的铁磁绝缘LA0.88SR0.12mNO3薄膜的物理性质

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摘要

The functional perovskite La1-xSrxMnO3 (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 La0.88Sr0.12MnO3 thin films were grown on two different substrates, (001) SrTiO3 and (001) (LaAlO3)(0.3)(Sr2AlTaO6)(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:由于竞争物理参数和内部自由度,Functoral Perovskite La1-XSRXMNO3(LSMO)具有各种异国阶段。 特别地,铁磁绝缘阶段(FMI)的性质尚未得到充分探索,导致对晶体结构和磁性之间的关系有限的理解。 为了研究这种结构性质关系,通过脉冲激光沉积在两种不同的基材上生长外延La0.88Sr0.12mNO3薄膜(001)SrtiO3和(0.3)(0.7),通过脉冲激光沉积。 元素特异性和表面敏感技术与堆积磁体一起应用,以研究薄膜的结构和磁性之间的不确定链接以及调谐应变的效果。 结果明确表明,应变调整的FMI LSMO的结构性质关系具有用于操纵FMI制度中性质的至关重要作用。

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  • 来源
    《RSC Advances》 |2019年第5期|共5页
  • 作者单位

    Pohang Univ Sci &

    Technol Pohang Accelerator Lab Pohang 37673 South Korea;

    Pusan Natl Univ Dept Phys Busan 46241 South Korea;

    Pusan Natl Univ Dept Phys Busan 46241 South Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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