A Room-Temperature Ferroelectric Ferromagnet in a 1D Tetrahedral Chain Network

© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 31(2019), 24 vom: 01. Juni, Seite e1808104
1. Verfasser: Kang, Kyeong Tae (VerfasserIn)
Weitere Verfasser: Roh, Chang Jae, Lim, Jinyoung, Min, Taewon, Lee, Jun Han, Lee, Kyoungjun, Lee, Tae Yoon, Kang, Seunghun, Seol, Daehee, Kim, Jiwoong, Ohta, Hiromichi, Khare, Amit, Park, Sungkyun, Kim, Yunseok, Chae, Seung Chul, Oh, Yoon Seok, Lee, Jaekwang, Yu, Jaejun, Lee, Jong Seok, Choi, Woo Seok
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article 1D tetrahedral networks SrFeO2.5 ferroelectricity magnetoelectric coupling multiferroicity
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520 |a Ferroelectricity occurs in crystals with broken spatial inversion symmetry. In conventional perovskite oxides, concerted ionic displacements within a 3D network of transition-metal-oxygen polyhedra (MOx ) manifest spontaneous polarization. Meanwhile, some 2D networks of MOx foster geometric ferroelectricity with magnetism, owing to the distortion of the polyhedra. Because of the fundamentally different mechanism of ferroelectricity in a 2D network, one can further challenge an uncharted mechanism of ferroelectricity in a 1D channel of MOx and estimate its feasibility. Here, ferroelectricity and coupled ferromagnetism in a 1D FeO4 tetrahedral chain network of a brownmillerite SrFeO2.5 epitaxial thin film are presented. The result provides a new paradigm for designing low-dimensional MOx networks, which is expected to benefit the realization of macroscopic ferro-ordering materials including ferroelectric ferromagnets 
650 4 |a Journal Article 
650 4 |a 1D tetrahedral networks 
650 4 |a SrFeO2.5 
650 4 |a ferroelectricity 
650 4 |a magnetoelectric coupling 
650 4 |a multiferroicity 
700 1 |a Roh, Chang Jae  |e verfasserin  |4 aut 
700 1 |a Lim, Jinyoung  |e verfasserin  |4 aut 
700 1 |a Min, Taewon  |e verfasserin  |4 aut 
700 1 |a Lee, Jun Han  |e verfasserin  |4 aut 
700 1 |a Lee, Kyoungjun  |e verfasserin  |4 aut 
700 1 |a Lee, Tae Yoon  |e verfasserin  |4 aut 
700 1 |a Kang, Seunghun  |e verfasserin  |4 aut 
700 1 |a Seol, Daehee  |e verfasserin  |4 aut 
700 1 |a Kim, Jiwoong  |e verfasserin  |4 aut 
700 1 |a Ohta, Hiromichi  |e verfasserin  |4 aut 
700 1 |a Khare, Amit  |e verfasserin  |4 aut 
700 1 |a Park, Sungkyun  |e verfasserin  |4 aut 
700 1 |a Kim, Yunseok  |e verfasserin  |4 aut 
700 1 |a Chae, Seung Chul  |e verfasserin  |4 aut 
700 1 |a Oh, Yoon Seok  |e verfasserin  |4 aut 
700 1 |a Lee, Jaekwang  |e verfasserin  |4 aut 
700 1 |a Yu, Jaejun  |e verfasserin  |4 aut 
700 1 |a Lee, Jong Seok  |e verfasserin  |4 aut 
700 1 |a Choi, Woo Seok  |e verfasserin  |4 aut 
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773 1 8 |g volume:31  |g year:2019  |g number:24  |g day:01  |g month:06  |g pages:e1808104 
856 4 0 |u http://dx.doi.org/10.1002/adma.201808104  |3 Volltext 
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