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Title: Binary Controls on Interfacial Magnetism in Manganite Heterostructures
Authors: Chen, Pingfan 
Huang, Zhen 
Li, Changjian 
Zhang, Bangmin 
Bao, Nina 
Yang, Ping 
Yu, Xiaojiang 
Zeng, Shengwei 
Tang, Chunhua 
Wu, Xiaohan
Chen, Jingsheng 
Ding, Jun 
Pennycook, Stephen John 
Ariando, A. 
Venkatesan, Thirumalai Venky 
Chow, Gan Moog 
Keywords: interfacial magnetism
magnetoelectric coupling
manganite/titanate interface
oxygen octahedral coupling
Issue Date: 25-Jun-2018
Publisher: Wiley-VCH Verlag
Citation: Chen, Pingfan, Huang, Zhen, Li, Changjian, Zhang, Bangmin, Bao, Nina, Yang, Ping, Yu, Xiaojiang, Zeng, Shengwei, Tang, Chunhua, Wu, Xiaohan, Chen, Jingsheng, Ding, Jun, Pennycook, Stephen John, Ariando, A., Venkatesan, Thirumalai Venky, Chow, Gan Moog (2018-06-25). Binary Controls on Interfacial Magnetism in Manganite Heterostructures. ADVANCED FUNCTIONAL MATERIALS 28 (33). ScholarBank@NUS Repository.
Abstract: The complex interfacial correlations provide new routes toward tunable functionalities. Here, the wide range of tunabilities for magnetic properties are presented, including Curie temperature (from 245 to 320 K), coercive field (from 2 to 205 Oe), and saturated magnetic moment (from 0.9 to 2.8 µB Mn?1), in a 9-unit-cell La2/3Sr1/3MnO3 (LSMO) layer via modifying interfacial boundary conditions. Moreover, the LSMO/PbTiO3-based multilayers and superlattices that consist of PbTiO3/LSMO/NdGaO3 and PbTiO3/LSMO/PbTiO3 interfaces are characterized by two distinct Curie temperatures and coercive fields. The results reveal the feasibility of the interface-resolved strategy based on boundary modification in fabricating potential devices with multiple accessible states for information storage. The wide-range modulations on magnetic properties at LSMO/titanate interfaces are explained in terms of binary controls arising from the oxygen octahedral coupling (OOC) and magnetoelectric coupling (MEC). The results not only shed some light on understanding interfacial correlations in oxide heterostructures, but also pave an alternative path for exploring multiple accessible states in all-oxide-based electronic devices. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN: 1616301X
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