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Wang X, Li Y, Xu Y, Pan Y, Wu Y, Li G, Zhang W, Ding S, Chen J, Lei W, Zhao D. Organometallic perovskite single crystals grown on lattice-matched substrate for photodetection. NANO MATERIALS SCIENCE 2020. [DOI: 10.1016/j.nanoms.2019.10.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Jin F, Gu M, Ma C, Guo EJ, Zhu J, Qu L, Zhang Z, Zhang K, Xu L, Chen B, Chen F, Gao G, Rondinelli JM, Wu W. Uniaxial Strain-Controlled Ground States in Manganite Films. NANO LETTERS 2020; 20:1131-1140. [PMID: 31978309 DOI: 10.1021/acs.nanolett.9b04506] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Strongly correlated perovskite oxides exhibit a plethera of intriguing phenomena and stimulate a great potential for multifunctional device applications. Utilizing tunable uniaxial strain, rather than biaxial or anisotropic strain, delivered from the crystallography of a single crystal substrate to modify the ground state of strongly correlated perovskite oxides has rarely been addressed for phase-space control. Here, we show that the physical properties of La2/3Ca1/3MnO3 (LCMO) films are remarkably different depending on the crystallographic orientations of the orthorhombic NdGaO3 (NGO) substrates. More importantly, the antiferromagnetic charge-ordered insulating (COI) phase induced in the (100) or (001)-oriented LCMO films can be dramatically promoted (or suppressed) by a uniaxial tensile (or compressive) bending stress along the in-plane [010] direction. By contrast, the COI phase is nearly unaffected along the other transverse in-plane directions. Results from scanning transmission electron microscopy reveal that the (100)- or (001)-oriented LCMO films are uniaxially tensile strained along the [010] direction, while the LCMO/NGO(010) and LCMO/NGO(110) films remaining as a bulklike ferromagnetic metallic state exhibit a different strain state. Density functional theory calculations further reveal that the cooperatively increased Jahn-Teller distortion and charge ordering may be indispensible for the inducing and promoting of the COI phase. These findings provide a path to understand the correlation between local and extended structural distortions imparted by coherent epitaxy and the electronic states for quantum phase engineering.
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Affiliation(s)
- Feng Jin
- Anhui Key Laboratory of Condensed Matter at Extreme Conditions, High Magnetic Field Laboratory, and Hefei National Laboratory for Physical Sciences at Microscale , University of Science and Technology of China , Hefei 230026 , China
| | - Mingqiang Gu
- Department of Materials Science and Engineering , Northwestern University , Evanston , Illinois 60208 , United States
| | - Chao Ma
- College of Materials Science and Engineering , Hunan University , Changsha 410082 , China
| | - Er-Jia Guo
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics , Chinese Academy of Sciences , Beijing 100190 , China
- Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Jin Zhu
- Anhui Key Laboratory of Condensed Matter at Extreme Conditions, High Magnetic Field Laboratory, and Hefei National Laboratory for Physical Sciences at Microscale , University of Science and Technology of China , Hefei 230026 , China
| | - Lili Qu
- Anhui Key Laboratory of Condensed Matter at Extreme Conditions, High Magnetic Field Laboratory, and Hefei National Laboratory for Physical Sciences at Microscale , University of Science and Technology of China , Hefei 230026 , China
| | - Zixun Zhang
- Anhui Key Laboratory of Condensed Matter at Extreme Conditions, High Magnetic Field Laboratory, and Hefei National Laboratory for Physical Sciences at Microscale , University of Science and Technology of China , Hefei 230026 , China
| | - Kexuan Zhang
- Anhui Key Laboratory of Condensed Matter at Extreme Conditions, High Magnetic Field Laboratory, and Hefei National Laboratory for Physical Sciences at Microscale , University of Science and Technology of China , Hefei 230026 , China
| | - Liqiang Xu
- Anhui Key Laboratory of Condensed Matter at Extreme Conditions, High Magnetic Field Laboratory, and Hefei National Laboratory for Physical Sciences at Microscale , University of Science and Technology of China , Hefei 230026 , China
| | - Binbin Chen
- Anhui Key Laboratory of Condensed Matter at Extreme Conditions, High Magnetic Field Laboratory, and Hefei National Laboratory for Physical Sciences at Microscale , University of Science and Technology of China , Hefei 230026 , China
| | - Feng Chen
- Anhui Key Laboratory of Condensed Matter at Extreme Conditions, High Magnetic Field Laboratory, and Hefei National Laboratory for Physical Sciences at Microscale , University of Science and Technology of China , Hefei 230026 , China
| | - Guanyin Gao
- Anhui Key Laboratory of Condensed Matter at Extreme Conditions, High Magnetic Field Laboratory, and Hefei National Laboratory for Physical Sciences at Microscale , University of Science and Technology of China , Hefei 230026 , China
| | - James M Rondinelli
- Department of Materials Science and Engineering , Northwestern University , Evanston , Illinois 60208 , United States
| | - Wenbin Wu
- Anhui Key Laboratory of Condensed Matter at Extreme Conditions, High Magnetic Field Laboratory, and Hefei National Laboratory for Physical Sciences at Microscale , University of Science and Technology of China , Hefei 230026 , China
- Institutes of Physical Science and Information Technology , Anhui University , Hefei 230601 , China
- Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing 210093 , China
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