Ferroelectricity-like Polarization and Metallicity at GdAlO3/SrTiO3 Heterointerfaces
Application of multifunctional integrated devices represents a main trend in the future. However, it is still a great challenge to realize ferroelectric metals in a single system. Here, we report the coexistence of metallicity and ferroelectricity-like polarization at GdAlO3/SrTiO3 heterointerfaces....
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| Veröffentlicht in: | Journal of physical chemistry. C 2022-01, Vol.126 (1), p.611-616 |
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| container_end_page | 616 |
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| container_issue | 1 |
| container_start_page | 611 |
| container_title | Journal of physical chemistry. C |
| container_volume | 126 |
| creator | Li, Ming Dong, Huijuan Wei, Xiangyang Yang, Ruishu Yin, Hang Wang, Shuanhu Jin, Kexin |
| description | Application of multifunctional integrated devices represents a main trend in the future. However, it is still a great challenge to realize ferroelectric metals in a single system. Here, we report the coexistence of metallicity and ferroelectricity-like polarization at GdAlO3/SrTiO3 heterointerfaces. The results show that the asymmetric bistable polarization in the GdAlO3 film is attributed to the spontaneous polarization of oxygen vacancies. Furthermore, the transport property of GdAlO3/SrTiO3 heterointerfaces can be significantly manipulated by switching the polarization state. It is observed that the switchable conductance significantly improves under the influence of a polarization state at 6 V. Its change in the resistance is about 17.2% under 10 V, which accelerates the commercial application of oxide devices. |
| doi_str_mv | 10.1021/acs.jpcc.1c08232 |
| format | Article |
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C</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Ming</au><au>Dong, Huijuan</au><au>Wei, Xiangyang</au><au>Yang, Ruishu</au><au>Yin, Hang</au><au>Wang, Shuanhu</au><au>Jin, Kexin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ferroelectricity-like Polarization and Metallicity at GdAlO3/SrTiO3 Heterointerfaces</atitle><jtitle>Journal of physical chemistry. C</jtitle><stitle>J PHYS CHEM C</stitle><addtitle>J. Phys. Chem. C</addtitle><date>2022-01-13</date><risdate>2022</risdate><volume>126</volume><issue>1</issue><spage>611</spage><epage>616</epage><pages>611-616</pages><issn>1932-7447</issn><eissn>1932-7455</eissn><abstract>Application of multifunctional integrated devices represents a main trend in the future. However, it is still a great challenge to realize ferroelectric metals in a single system. Here, we report the coexistence of metallicity and ferroelectricity-like polarization at GdAlO3/SrTiO3 heterointerfaces. The results show that the asymmetric bistable polarization in the GdAlO3 film is attributed to the spontaneous polarization of oxygen vacancies. Furthermore, the transport property of GdAlO3/SrTiO3 heterointerfaces can be significantly manipulated by switching the polarization state. It is observed that the switchable conductance significantly improves under the influence of a polarization state at 6 V. Its change in the resistance is about 17.2% under 10 V, which accelerates the commercial application of oxide devices.</abstract><cop>WASHINGTON</cop><pub>American Chemical Society</pub><doi>10.1021/acs.jpcc.1c08232</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0001-5838-0315</orcidid><orcidid>https://orcid.org/0000-0002-2469-6706</orcidid><orcidid>https://orcid.org/0000-0002-5386-1037</orcidid></addata></record> |
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| source | ACS Publications; Web of Science - Science Citation Index Expanded - 2021<img src="https://exlibris-pub.s3.amazonaws.com/fromwos-v2.jpg" /> |
| subjects | C: Physical Properties of Materials and Interfaces Chemistry Chemistry, Physical Materials Science Materials Science, Multidisciplinary Nanoscience & Nanotechnology Physical Sciences Science & Technology Science & Technology - Other Topics Technology |
| title | Ferroelectricity-like Polarization and Metallicity at GdAlO3/SrTiO3 Heterointerfaces |
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