Resistance switching in epitaxial SrCoOx thin films
We observed bipolar switching behavior from an epitaxial strontium cobaltite film grown on a SrTiO3 (001) substrate. The crystal structure of strontium cobaltite has been known to undergo topotactic phase transformation between two distinct phases: insulating brownmillerite (SrCoO2.5) and conducting...
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| Veröffentlicht in: | Applied physics letters 2014-08, Vol.105 (6) |
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| container_title | Applied physics letters |
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| creator | Tambunan, Octolia T Parwanta, Kadek J Acharya, Susant K Lee, Bo Wha Jung Chang Uk Kim, Yeon Soo Park Bae Ho Jeong Huiseong Ji-Yong, Park Cho, Myung Rae Park, Yun Daniel Choi, Woo Seok Dong-Wook, Kim Jin Hyunwoo Lee, Suyoun Song Seul Ji Sung-Jin, Kang Kim, Miyoung Hwang, Cheol Seong |
| description | We observed bipolar switching behavior from an epitaxial strontium cobaltite film grown on a SrTiO3 (001) substrate. The crystal structure of strontium cobaltite has been known to undergo topotactic phase transformation between two distinct phases: insulating brownmillerite (SrCoO2.5) and conducting perovskite (SrCoO3−δ) depending on the oxygen content. The current–voltage characteristics of the strontium cobaltite film showed that it could have a reversible insulator-to-metal transition triggered by electrical bias voltage. We propose that the resistance switching in the SrCoOx thin film could be related to the topotactic phase transformation and the peculiar structure of SrCoO2.5. |
| doi_str_mv | 10.1063/1.4893323 |
| format | Article |
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The crystal structure of strontium cobaltite has been known to undergo topotactic phase transformation between two distinct phases: insulating brownmillerite (SrCoO2.5) and conducting perovskite (SrCoO3−δ) depending on the oxygen content. The current–voltage characteristics of the strontium cobaltite film showed that it could have a reversible insulator-to-metal transition triggered by electrical bias voltage. We propose that the resistance switching in the SrCoOx thin film could be related to the topotactic phase transformation and the peculiar structure of SrCoO2.5.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4893323</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Brownmillerite ; Calcium aluminum ferrite ; Crystal structure ; Current voltage characteristics ; Epitaxial growth ; Oxygen content ; Perovskites ; Phase transitions ; Strontium titanates ; Substrates ; Switching ; Thin films</subject><ispartof>Applied physics letters, 2014-08, Vol.105 (6)</ispartof><rights>2014 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Tambunan, Octolia T</creatorcontrib><creatorcontrib>Parwanta, Kadek J</creatorcontrib><creatorcontrib>Acharya, Susant K</creatorcontrib><creatorcontrib>Lee, Bo Wha</creatorcontrib><creatorcontrib>Jung Chang Uk</creatorcontrib><creatorcontrib>Kim, Yeon Soo</creatorcontrib><creatorcontrib>Park Bae Ho</creatorcontrib><creatorcontrib>Jeong Huiseong</creatorcontrib><creatorcontrib>Ji-Yong, Park</creatorcontrib><creatorcontrib>Cho, Myung Rae</creatorcontrib><creatorcontrib>Park, Yun Daniel</creatorcontrib><creatorcontrib>Choi, Woo Seok</creatorcontrib><creatorcontrib>Dong-Wook, Kim</creatorcontrib><creatorcontrib>Jin Hyunwoo</creatorcontrib><creatorcontrib>Lee, Suyoun</creatorcontrib><creatorcontrib>Song Seul Ji</creatorcontrib><creatorcontrib>Sung-Jin, Kang</creatorcontrib><creatorcontrib>Kim, Miyoung</creatorcontrib><creatorcontrib>Hwang, Cheol Seong</creatorcontrib><title>Resistance switching in epitaxial SrCoOx thin films</title><title>Applied physics letters</title><description>We observed bipolar switching behavior from an epitaxial strontium cobaltite film grown on a SrTiO3 (001) substrate. The crystal structure of strontium cobaltite has been known to undergo topotactic phase transformation between two distinct phases: insulating brownmillerite (SrCoO2.5) and conducting perovskite (SrCoO3−δ) depending on the oxygen content. The current–voltage characteristics of the strontium cobaltite film showed that it could have a reversible insulator-to-metal transition triggered by electrical bias voltage. We propose that the resistance switching in the SrCoOx thin film could be related to the topotactic phase transformation and the peculiar structure of SrCoO2.5.</description><subject>Applied physics</subject><subject>Brownmillerite</subject><subject>Calcium aluminum ferrite</subject><subject>Crystal structure</subject><subject>Current voltage characteristics</subject><subject>Epitaxial growth</subject><subject>Oxygen content</subject><subject>Perovskites</subject><subject>Phase transitions</subject><subject>Strontium titanates</subject><subject>Substrates</subject><subject>Switching</subject><subject>Thin films</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNotjctKxDAYRoMoWEcXvkHAdcf_kku7lOINBga8rIe0TTWltmOTwXl8C7o6HA58nxDXCGsEw7e4VkXJTHwiMgRrc0YsTkUGAJybUuO5uIixX1QTcyb4xccQkxsbL-NPSM1nGD9kGKXfh-SOwQ3yda6m7VGmpcguDF_xUpx1boj-6p8r8f5w_1Y95Zvt43N1t8l7UmXKfcs1t7UqwCCUyixCRAZU07DvrEVwLRjDulC1qmvSXjcOqewsA7UKeSVu_nb38_R98DHt-ukwj8vljpCMtqQU8C_SS0QA</recordid><startdate>20140811</startdate><enddate>20140811</enddate><creator>Tambunan, Octolia T</creator><creator>Parwanta, Kadek J</creator><creator>Acharya, Susant K</creator><creator>Lee, Bo Wha</creator><creator>Jung Chang Uk</creator><creator>Kim, Yeon Soo</creator><creator>Park Bae Ho</creator><creator>Jeong Huiseong</creator><creator>Ji-Yong, Park</creator><creator>Cho, Myung Rae</creator><creator>Park, Yun Daniel</creator><creator>Choi, Woo Seok</creator><creator>Dong-Wook, Kim</creator><creator>Jin Hyunwoo</creator><creator>Lee, Suyoun</creator><creator>Song Seul Ji</creator><creator>Sung-Jin, Kang</creator><creator>Kim, Miyoung</creator><creator>Hwang, Cheol Seong</creator><general>American Institute of Physics</general><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20140811</creationdate><title>Resistance switching in epitaxial SrCoOx thin films</title><author>Tambunan, Octolia T ; 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The crystal structure of strontium cobaltite has been known to undergo topotactic phase transformation between two distinct phases: insulating brownmillerite (SrCoO2.5) and conducting perovskite (SrCoO3−δ) depending on the oxygen content. The current–voltage characteristics of the strontium cobaltite film showed that it could have a reversible insulator-to-metal transition triggered by electrical bias voltage. We propose that the resistance switching in the SrCoOx thin film could be related to the topotactic phase transformation and the peculiar structure of SrCoO2.5.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4893323</doi></addata></record> |
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| subjects | Applied physics Brownmillerite Calcium aluminum ferrite Crystal structure Current voltage characteristics Epitaxial growth Oxygen content Perovskites Phase transitions Strontium titanates Substrates Switching Thin films |
| title | Resistance switching in epitaxial SrCoOx thin films |
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