Electrical and structural properties of BaCe sub(0.85) Ru sub(0.05) Y sub(0.10) O sub(3-[delta]) thin film prepared by RF magnetron sputtering
The a- and c-axes-oriented BaCe sub(0.85) Ru sub(0.05) Y sub(0.10) O sub(3-[delta])(BCRY) thin films have been deposited on Nb-SrTiO sub(3)(100) substrates by radio frequency (RF) magnetron sputtering. Such BCRY thin films have mixed valence states of Ce super(4+) and Ce super(3+). The activation en...
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| Veröffentlicht in: | Japanese Journal of Applied Physics 2016-06, Vol.55 (6), p.06GJ02-06GJ02 |
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| container_issue | 6 |
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| container_title | Japanese Journal of Applied Physics |
| container_volume | 55 |
| creator | Ochi, Masanori Tsuchiya, Takashi Yamaguchi, Shohei Suetsugu, Takaaki Suzuki, Naoya Kobayashi, Masaki Minohara, Makoto Horiba, Koji Kumigashira, Hiroshi Higuchi, Tohru |
| description | The a- and c-axes-oriented BaCe sub(0.85) Ru sub(0.05) Y sub(0.10) O sub(3-[delta])(BCRY) thin films have been deposited on Nb-SrTiO sub(3)(100) substrates by radio frequency (RF) magnetron sputtering. Such BCRY thin films have mixed valence states of Ce super(4+) and Ce super(3+). The activation energies (E sub(A)) for the conductivity of films thicker than 200 nm are 0.23-0.26 eV, which corresponds to half E sub(A) of bulk ceramics, below 400 [degrees]C. The BCRY thin films exhibit ion conduction at the bulk region and electron-ion mixed conduction at the surface region. Proton conduction is also observed in the surface state in addition to the mixed conduction. The Fermi levels (E sub(F)) locate at the middle position in the band gap region, although E sub(F) of the BaCe sub(0.90) Y sub(0.10) O sub(3-[delta]) thin films locates on the valence band side. These results indicate that the Ru super(5+) ions and protons act as donor ions in BCRY thin films. |
| doi_str_mv | 10.7567/JJAP.55.06GJ02 |
| format | Article |
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Such BCRY thin films have mixed valence states of Ce super(4+) and Ce super(3+). The activation energies (E sub(A)) for the conductivity of films thicker than 200 nm are 0.23-0.26 eV, which corresponds to half E sub(A) of bulk ceramics, below 400 [degrees]C. The BCRY thin films exhibit ion conduction at the bulk region and electron-ion mixed conduction at the surface region. Proton conduction is also observed in the surface state in addition to the mixed conduction. The Fermi levels (E sub(F)) locate at the middle position in the band gap region, although E sub(F) of the BaCe sub(0.90) Y sub(0.10) O sub(3-[delta]) thin films locates on the valence band side. These results indicate that the Ru super(5+) ions and protons act as donor ions in BCRY thin films.</description><identifier>ISSN: 0021-4922</identifier><identifier>EISSN: 1347-4065</identifier><identifier>DOI: 10.7567/JJAP.55.06GJ02</identifier><language>eng</language><subject>Ceramics ; Fermi level ; Fermi surfaces ; Magnetron sputtering ; Proton conduction ; Radio frequencies ; Surface chemistry ; Thin films</subject><ispartof>Japanese Journal of Applied Physics, 2016-06, Vol.55 (6), p.06GJ02-06GJ02</ispartof><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>Ochi, Masanori</creatorcontrib><creatorcontrib>Tsuchiya, Takashi</creatorcontrib><creatorcontrib>Yamaguchi, Shohei</creatorcontrib><creatorcontrib>Suetsugu, Takaaki</creatorcontrib><creatorcontrib>Suzuki, Naoya</creatorcontrib><creatorcontrib>Kobayashi, Masaki</creatorcontrib><creatorcontrib>Minohara, Makoto</creatorcontrib><creatorcontrib>Horiba, Koji</creatorcontrib><creatorcontrib>Kumigashira, Hiroshi</creatorcontrib><creatorcontrib>Higuchi, Tohru</creatorcontrib><title>Electrical and structural properties of BaCe sub(0.85) Ru sub(0.05) Y sub(0.10) O sub(3-[delta]) thin film prepared by RF magnetron sputtering</title><title>Japanese Journal of Applied Physics</title><description>The a- and c-axes-oriented BaCe sub(0.85) Ru sub(0.05) Y sub(0.10) O sub(3-[delta])(BCRY) thin films have been deposited on Nb-SrTiO sub(3)(100) substrates by radio frequency (RF) magnetron sputtering. Such BCRY thin films have mixed valence states of Ce super(4+) and Ce super(3+). The activation energies (E sub(A)) for the conductivity of films thicker than 200 nm are 0.23-0.26 eV, which corresponds to half E sub(A) of bulk ceramics, below 400 [degrees]C. The BCRY thin films exhibit ion conduction at the bulk region and electron-ion mixed conduction at the surface region. Proton conduction is also observed in the surface state in addition to the mixed conduction. The Fermi levels (E sub(F)) locate at the middle position in the band gap region, although E sub(F) of the BaCe sub(0.90) Y sub(0.10) O sub(3-[delta]) thin films locates on the valence band side. These results indicate that the Ru super(5+) ions and protons act as donor ions in BCRY thin films.</description><subject>Ceramics</subject><subject>Fermi level</subject><subject>Fermi surfaces</subject><subject>Magnetron sputtering</subject><subject>Proton conduction</subject><subject>Radio frequencies</subject><subject>Surface chemistry</subject><subject>Thin films</subject><issn>0021-4922</issn><issn>1347-4065</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqVjr1OwzAUhS0EEqGwMt-xGZLaiZ2QEaoWlAVUsSCEKje5KUaOE_wz8BJ9ZiKUF2A63ycdHR1CbhlNS1GUq7q-f0mFSGnxWNPsjEQs52XCaSHOSURpxhJeZdkluXLua9JCcBaR00Zj461qpAZpWnDehsYHO-lohxGtV-hg6OBBrhFcOCxpeidi2IVZ6CRvMzMaw_Mf58l7i9rLjxj8pzLQKd1PgzhKiy0cfmC3hV4eDXo7GHBj8B6tMsdrctFJ7fBmzgVZbjev66dkOvMd0Pl9r1yDWkuDQ3B7VlGe8YrmLP9H9Rd53Fts</recordid><startdate>20160601</startdate><enddate>20160601</enddate><creator>Ochi, Masanori</creator><creator>Tsuchiya, Takashi</creator><creator>Yamaguchi, Shohei</creator><creator>Suetsugu, Takaaki</creator><creator>Suzuki, Naoya</creator><creator>Kobayashi, Masaki</creator><creator>Minohara, Makoto</creator><creator>Horiba, Koji</creator><creator>Kumigashira, Hiroshi</creator><creator>Higuchi, Tohru</creator><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20160601</creationdate><title>Electrical and structural properties of BaCe sub(0.85) Ru sub(0.05) Y sub(0.10) O sub(3-[delta]) thin film prepared by RF magnetron sputtering</title><author>Ochi, Masanori ; Tsuchiya, Takashi ; Yamaguchi, Shohei ; Suetsugu, Takaaki ; Suzuki, Naoya ; Kobayashi, Masaki ; Minohara, Makoto ; Horiba, Koji ; Kumigashira, Hiroshi ; Higuchi, Tohru</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_miscellaneous_19042490313</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Ceramics</topic><topic>Fermi level</topic><topic>Fermi surfaces</topic><topic>Magnetron sputtering</topic><topic>Proton conduction</topic><topic>Radio frequencies</topic><topic>Surface chemistry</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ochi, Masanori</creatorcontrib><creatorcontrib>Tsuchiya, Takashi</creatorcontrib><creatorcontrib>Yamaguchi, Shohei</creatorcontrib><creatorcontrib>Suetsugu, Takaaki</creatorcontrib><creatorcontrib>Suzuki, Naoya</creatorcontrib><creatorcontrib>Kobayashi, Masaki</creatorcontrib><creatorcontrib>Minohara, Makoto</creatorcontrib><creatorcontrib>Horiba, Koji</creatorcontrib><creatorcontrib>Kumigashira, Hiroshi</creatorcontrib><creatorcontrib>Higuchi, Tohru</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Japanese Journal of Applied Physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ochi, Masanori</au><au>Tsuchiya, Takashi</au><au>Yamaguchi, Shohei</au><au>Suetsugu, Takaaki</au><au>Suzuki, Naoya</au><au>Kobayashi, Masaki</au><au>Minohara, Makoto</au><au>Horiba, Koji</au><au>Kumigashira, Hiroshi</au><au>Higuchi, Tohru</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrical and structural properties of BaCe sub(0.85) Ru sub(0.05) Y sub(0.10) O sub(3-[delta]) thin film prepared by RF magnetron sputtering</atitle><jtitle>Japanese Journal of Applied Physics</jtitle><date>2016-06-01</date><risdate>2016</risdate><volume>55</volume><issue>6</issue><spage>06GJ02</spage><epage>06GJ02</epage><pages>06GJ02-06GJ02</pages><issn>0021-4922</issn><eissn>1347-4065</eissn><abstract>The a- and c-axes-oriented BaCe sub(0.85) Ru sub(0.05) Y sub(0.10) O sub(3-[delta])(BCRY) thin films have been deposited on Nb-SrTiO sub(3)(100) substrates by radio frequency (RF) magnetron sputtering. Such BCRY thin films have mixed valence states of Ce super(4+) and Ce super(3+). The activation energies (E sub(A)) for the conductivity of films thicker than 200 nm are 0.23-0.26 eV, which corresponds to half E sub(A) of bulk ceramics, below 400 [degrees]C. The BCRY thin films exhibit ion conduction at the bulk region and electron-ion mixed conduction at the surface region. Proton conduction is also observed in the surface state in addition to the mixed conduction. The Fermi levels (E sub(F)) locate at the middle position in the band gap region, although E sub(F) of the BaCe sub(0.90) Y sub(0.10) O sub(3-[delta]) thin films locates on the valence band side. These results indicate that the Ru super(5+) ions and protons act as donor ions in BCRY thin films.</abstract><doi>10.7567/JJAP.55.06GJ02</doi></addata></record> |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Ceramics Fermi level Fermi surfaces Magnetron sputtering Proton conduction Radio frequencies Surface chemistry Thin films |
| title | Electrical and structural properties of BaCe sub(0.85) Ru sub(0.05) Y sub(0.10) O sub(3-[delta]) thin film prepared by RF magnetron sputtering |
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