Competition between strain and dimensionality effects on the electronic phase transitions in NdNiO3 films
Transition metal oxides host an array of exotic electronic phases, including superconductivity, ferroelectricity, quantum spin liquid and Mott insulators. Their extreme sensitivity to external stimuli enables various routes to manipulate the ground state, which greatly improves our understanding of...
| Main Authors: | , , , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2016
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| Online Access: | https://hdl.handle.net/10356/81708 http://hdl.handle.net/10220/39674 |
| _version_ | 1826109924234493952 |
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| author | Wang, Le Ju, Sheng You, Lu Qi, Yajun Guo, Yu-wei Ren, Peng Zhou, Yang Wang, Junling |
| author2 | School of Materials Science & Engineering |
| author_facet | School of Materials Science & Engineering Wang, Le Ju, Sheng You, Lu Qi, Yajun Guo, Yu-wei Ren, Peng Zhou, Yang Wang, Junling |
| author_sort | Wang, Le |
| collection | NTU |
| description | Transition metal oxides host an array of exotic electronic phases, including superconductivity, ferroelectricity, quantum spin liquid and Mott insulators. Their extreme sensitivity to external stimuli enables various routes to manipulate the ground state, which greatly improves our understanding of the physics involved. Here, we report the competition between strain and dimensionality effects on the phase evolution in high quality NdNiO3 films down to several unit cells. While both compressive and tensile strains increase the Ni 3d band width and favor the metallic phase, reducing dimensionality, on the other hand, decreases the covalent band width and favors the insulating phase in NdNiO3. The experimental observations are well supported by ab initio calculations and improve our understanding of the electronic behavior in strongly correlated electron systems. |
| first_indexed | 2024-10-01T02:26:01Z |
| format | Journal Article |
| id | ntu-10356/81708 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T02:26:01Z |
| publishDate | 2016 |
| record_format | dspace |
| spelling | ntu-10356/817082023-07-14T15:57:06Z Competition between strain and dimensionality effects on the electronic phase transitions in NdNiO3 films Wang, Le Ju, Sheng You, Lu Qi, Yajun Guo, Yu-wei Ren, Peng Zhou, Yang Wang, Junling School of Materials Science & Engineering Transition metal oxides host an array of exotic electronic phases, including superconductivity, ferroelectricity, quantum spin liquid and Mott insulators. Their extreme sensitivity to external stimuli enables various routes to manipulate the ground state, which greatly improves our understanding of the physics involved. Here, we report the competition between strain and dimensionality effects on the phase evolution in high quality NdNiO3 films down to several unit cells. While both compressive and tensile strains increase the Ni 3d band width and favor the metallic phase, reducing dimensionality, on the other hand, decreases the covalent band width and favors the insulating phase in NdNiO3. The experimental observations are well supported by ab initio calculations and improve our understanding of the electronic behavior in strongly correlated electron systems. MOE (Min. of Education, S’pore) Published version 2016-01-12T06:33:19Z 2019-12-06T14:36:35Z 2016-01-12T06:33:19Z 2019-12-06T14:36:35Z 2015 Journal Article Wang, L., Ju, S., You, L., Qi, Y., Guo, Y., Ren, P., et al.(2015). Competition between strain and dimensionality effects on the electronic phase transitions in NdNiO3 films. Scientific Reports, 5, 18707-. 2045-2322 https://hdl.handle.net/10356/81708 http://hdl.handle.net/10220/39674 10.1038/srep18707 26687924 en Scientific Reports This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ 7 p. application/pdf |
| spellingShingle | Wang, Le Ju, Sheng You, Lu Qi, Yajun Guo, Yu-wei Ren, Peng Zhou, Yang Wang, Junling Competition between strain and dimensionality effects on the electronic phase transitions in NdNiO3 films |
| title | Competition between strain and dimensionality effects on the electronic phase transitions in NdNiO3 films |
| title_full | Competition between strain and dimensionality effects on the electronic phase transitions in NdNiO3 films |
| title_fullStr | Competition between strain and dimensionality effects on the electronic phase transitions in NdNiO3 films |
| title_full_unstemmed | Competition between strain and dimensionality effects on the electronic phase transitions in NdNiO3 films |
| title_short | Competition between strain and dimensionality effects on the electronic phase transitions in NdNiO3 films |
| title_sort | competition between strain and dimensionality effects on the electronic phase transitions in ndnio3 films |
| url | https://hdl.handle.net/10356/81708 http://hdl.handle.net/10220/39674 |
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