Enhanced ferromagnetism and conductivity of ultrathin freestanding La0.7Sr0.3MnO3 membranes
Siqi Shan(单思齐), Yequan Chen(陈业全), Yongda Chen(陈勇达), Wenzhuo Zhuang(庄文卓), Ruxin Liu(刘汝新), Xu Zhang(张旭), Rong Zhang(张荣), and Xuefeng Wang(王学锋)†
Jiangsu Provincial Key Laboratory of Advanced Photonic and Electronic Materials, School of Electronic Science and Engineering, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
Abstract We report a universal method to transfer freestanding La0.7Sr0.3MnO3 membranes to target substrates. The 4-unit-cell-thick freestanding La0.7Sr0.3MnO3 membrane exhibits the enhanced ferromagnetism, conductivity and out-of-plane magnetic anisotropy, which otherwise shows nonmagnetic/antiferromagnetic and insulating behavior due to the intrinsic epitaxial strain. This work facilitates the promising applications of ultrathin freestanding correlated oxide membranes in electronics and spintronics.
(Magnetic properties of thin films, surfaces, and interfaces)
Fund: This work was supported in part by the National Key R&D Program of China (Grant No. 2022YFA1402404) and the National Natural Science Foundation of China (Grant Nos. 62274085, 11874203, and 61822403).
Corresponding Authors:
Xuefeng Wang
E-mail: xfwang@nju.edu.cn
Cite this article:
Siqi Shan(单思齐), Yequan Chen(陈业全), Yongda Chen(陈勇达), Wenzhuo Zhuang(庄文卓), Ruxin Liu(刘汝新), Xu Zhang(张旭), Rong Zhang(张荣), and Xuefeng Wang(王学锋) Enhanced ferromagnetism and conductivity of ultrathin freestanding La0.7Sr0.3MnO3 membranes 2023 Chin. Phys. B 32 107402
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