Emergent magnetic phase transitions in Fe-doped SrTiO3−δ
In defect engineering, both cation doping and oxygen vacancies play key roles in deciding the properties of oxide, and the utilization of their cooperation has attracted much interest in recent years. Here, we report an emergent magnetic phase transition near 18 K in Fe-doped SrTiO3−δ by utilizing t...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
AIP Publishing LLC
2019-12-01
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| Series: | AIP Advances |
| Online Access: | http://dx.doi.org/10.1063/1.5116671 |
| _version_ | 1818760028107046912 |
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| author | Yujuan Pei Ruyi Zhang Yang Song Jiachang Bi Wei Xu Chen Zhou Junxi Duan Jingkai Yang Yanwei Cao |
| author_facet | Yujuan Pei Ruyi Zhang Yang Song Jiachang Bi Wei Xu Chen Zhou Junxi Duan Jingkai Yang Yanwei Cao |
| author_sort | Yujuan Pei |
| collection | DOAJ |
| description | In defect engineering, both cation doping and oxygen vacancies play key roles in deciding the properties of oxide, and the utilization of their cooperation has attracted much interest in recent years. Here, we report an emergent magnetic phase transition near 18 K in Fe-doped SrTiO3−δ by utilizing the magnetic interactions between the doped Fe cations and oxygen vacancies. The effects of Fe dopants and oxygen vacancies on the structural and magnetic properties were characterized by a high-resolution X-ray diffraction, Raman spectroscopy, and superconducting quantum interference device. In particular, as the temperature rises across the magnetic phase transition, the coercivity of Fe-SrTiO3−δ decreases from ∼7700 Oe at 2 K to ∼104 Oe at 19 K. Our results of creating emergent magnetic phases with the coeffects of both cation dopants and oxygen vacancies could pave a way to inducing novel quantum states in epitaxial films on Fe-SrTiO3−δ single crystal substrates with the magnetic proximity effect. |
| first_indexed | 2024-12-18T06:52:06Z |
| format | Article |
| id | doaj.art-af84f0dc377a4de88fa044a041acf60a |
| institution | Directory Open Access Journal |
| issn | 2158-3226 |
| language | English |
| last_indexed | 2024-12-18T06:52:06Z |
| publishDate | 2019-12-01 |
| publisher | AIP Publishing LLC |
| record_format | Article |
| series | AIP Advances |
| spelling | doaj.art-af84f0dc377a4de88fa044a041acf60a2022-12-21T21:17:18ZengAIP Publishing LLCAIP Advances2158-32262019-12-01912125302125302-510.1063/1.5116671Emergent magnetic phase transitions in Fe-doped SrTiO3−δYujuan Pei0Ruyi Zhang1Yang Song2Jiachang Bi3Wei Xu4Chen Zhou5Junxi Duan6Jingkai Yang7Yanwei Cao8State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, ChinaNingbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, ChinaNingbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, ChinaNingbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, ChinaNingbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, ChinaNingbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, ChinaSchool of Physics, Beijing Institute of Technology, Beijing 100081, ChinaState Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, ChinaNingbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, ChinaIn defect engineering, both cation doping and oxygen vacancies play key roles in deciding the properties of oxide, and the utilization of their cooperation has attracted much interest in recent years. Here, we report an emergent magnetic phase transition near 18 K in Fe-doped SrTiO3−δ by utilizing the magnetic interactions between the doped Fe cations and oxygen vacancies. The effects of Fe dopants and oxygen vacancies on the structural and magnetic properties were characterized by a high-resolution X-ray diffraction, Raman spectroscopy, and superconducting quantum interference device. In particular, as the temperature rises across the magnetic phase transition, the coercivity of Fe-SrTiO3−δ decreases from ∼7700 Oe at 2 K to ∼104 Oe at 19 K. Our results of creating emergent magnetic phases with the coeffects of both cation dopants and oxygen vacancies could pave a way to inducing novel quantum states in epitaxial films on Fe-SrTiO3−δ single crystal substrates with the magnetic proximity effect.http://dx.doi.org/10.1063/1.5116671 |
| spellingShingle | Yujuan Pei Ruyi Zhang Yang Song Jiachang Bi Wei Xu Chen Zhou Junxi Duan Jingkai Yang Yanwei Cao Emergent magnetic phase transitions in Fe-doped SrTiO3−δ AIP Advances |
| title | Emergent magnetic phase transitions in Fe-doped SrTiO3−δ |
| title_full | Emergent magnetic phase transitions in Fe-doped SrTiO3−δ |
| title_fullStr | Emergent magnetic phase transitions in Fe-doped SrTiO3−δ |
| title_full_unstemmed | Emergent magnetic phase transitions in Fe-doped SrTiO3−δ |
| title_short | Emergent magnetic phase transitions in Fe-doped SrTiO3−δ |
| title_sort | emergent magnetic phase transitions in fe doped srtio3 δ |
| url | http://dx.doi.org/10.1063/1.5116671 |
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