Tailoring interfacial exchange coupling with low-energy ion beam bombardment: Tuning the interface roughness
By ascertaining NiO surface roughness in a Ni 80 Fe 20 /NiO film system, we were able to correlate the effects of altered interface roughness from low-energy ion-beam bombardment of the NiO layer and the different thermal instabilities in the NiO nanocrystallites. From experiment and by modelling th...
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| Veröffentlicht in: | Applied physics letters 2012-03, Vol.100 (12), p.122409-122409-4 |
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| container_end_page | 122409-4 |
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| container_issue | 12 |
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| container_title | Applied physics letters |
| container_volume | 100 |
| creator | Lin, K.-W. Mirza, M. Shueh, C. Huang, H.-R. Hsu, H.-F. Lierop, J. van |
| description | By ascertaining NiO surface roughness in a Ni
80
Fe
20
/NiO film system, we were able to correlate the effects of altered interface roughness from low-energy ion-beam bombardment of the NiO layer and the different thermal instabilities in the NiO nanocrystallites. From experiment and by modelling the temperature dependence of the exchange bias field and coercivity, we have found that reducing the interface roughness and changing the interface texture from an irregular to striped conformation enhanced the exchange coupling strength. Our results were in good agreement with recent simulations using the domain state model that incorporated interface mixing. |
| doi_str_mv | 10.1063/1.3697405 |
| format | Article |
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80
Fe
20
/NiO film system, we were able to correlate the effects of altered interface roughness from low-energy ion-beam bombardment of the NiO layer and the different thermal instabilities in the NiO nanocrystallites. From experiment and by modelling the temperature dependence of the exchange bias field and coercivity, we have found that reducing the interface roughness and changing the interface texture from an irregular to striped conformation enhanced the exchange coupling strength. Our results were in good agreement with recent simulations using the domain state model that incorporated interface mixing.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.3697405</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>United States: American Institute of Physics</publisher><subject>COERCIVE FORCE ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; COUPLING ; ELECTRONS ; EXCHANGE INTERACTIONS ; INTERFACES ; ION BEAMS ; ION IMPLANTATION ; IRON ALLOYS ; LAYERS ; MAGNETISM ; NANOSCIENCE AND NANOTECHNOLOGY ; NANOSTRUCTURES ; NICKEL ALLOYS ; NICKEL OXIDES ; PHASE STABILITY ; ROUGHNESS ; SURFACES ; TEMPERATURE DEPENDENCE ; TEXTURE</subject><ispartof>Applied physics letters, 2012-03, Vol.100 (12), p.122409-122409-4</ispartof><rights>2012 American Institute of Physics</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c312t-d1a2a3262712e3fe994b8808979951b408f4b0e96b592f35efd577bc16d9376f3</citedby><cites>FETCH-LOGICAL-c312t-d1a2a3262712e3fe994b8808979951b408f4b0e96b592f35efd577bc16d9376f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/apl/article-lookup/doi/10.1063/1.3697405$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>230,314,776,780,790,881,1553,4498,27903,27904,76130,76136</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22025482$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Lin, K.-W.</creatorcontrib><creatorcontrib>Mirza, M.</creatorcontrib><creatorcontrib>Shueh, C.</creatorcontrib><creatorcontrib>Huang, H.-R.</creatorcontrib><creatorcontrib>Hsu, H.-F.</creatorcontrib><creatorcontrib>Lierop, J. van</creatorcontrib><title>Tailoring interfacial exchange coupling with low-energy ion beam bombardment: Tuning the interface roughness</title><title>Applied physics letters</title><description>By ascertaining NiO surface roughness in a Ni
80
Fe
20
/NiO film system, we were able to correlate the effects of altered interface roughness from low-energy ion-beam bombardment of the NiO layer and the different thermal instabilities in the NiO nanocrystallites. From experiment and by modelling the temperature dependence of the exchange bias field and coercivity, we have found that reducing the interface roughness and changing the interface texture from an irregular to striped conformation enhanced the exchange coupling strength. Our results were in good agreement with recent simulations using the domain state model that incorporated interface mixing.</description><subject>COERCIVE FORCE</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>COUPLING</subject><subject>ELECTRONS</subject><subject>EXCHANGE INTERACTIONS</subject><subject>INTERFACES</subject><subject>ION BEAMS</subject><subject>ION IMPLANTATION</subject><subject>IRON ALLOYS</subject><subject>LAYERS</subject><subject>MAGNETISM</subject><subject>NANOSCIENCE AND NANOTECHNOLOGY</subject><subject>NANOSTRUCTURES</subject><subject>NICKEL ALLOYS</subject><subject>NICKEL OXIDES</subject><subject>PHASE STABILITY</subject><subject>ROUGHNESS</subject><subject>SURFACES</subject><subject>TEMPERATURE DEPENDENCE</subject><subject>TEXTURE</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNp1kEtLAzEUhYMoWKsL_0HAlYupecwrLgQpvqDgpq6HTOZmJjKTlCSl9t87Q0tduboc7seB8yF0S8mCkpw_0AXPRZGS7AzNKCmKhFNanqMZIYQnucjoJboK4XuMGeN8hvq1NL3zxrbY2AheS2Vkj-FHddK2gJXbbvrpuzOxw73bJWDBt3tsnMU1yAHXbqilbwaw8RGvt3aCYwenOsDebdvOQgjX6ELLPsDN8c7R1-vLevmerD7fPpbPq0RxymLSUMkkZzkrKAOuQYi0LktSikKMA-qUlDqtCYi8zgTTPAPdZEVRK5o3ghe55nN0d-h1IZoqKBNBdcpZCypWjBGWpSUbqfsDpbwLwYOuNt4M0u8rSqpJZkWro8yRfTqwU5mM4_j_4ZPR6s8o_wWV2Hzm</recordid><startdate>20120319</startdate><enddate>20120319</enddate><creator>Lin, K.-W.</creator><creator>Mirza, M.</creator><creator>Shueh, C.</creator><creator>Huang, H.-R.</creator><creator>Hsu, H.-F.</creator><creator>Lierop, J. van</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>20120319</creationdate><title>Tailoring interfacial exchange coupling with low-energy ion beam bombardment: Tuning the interface roughness</title><author>Lin, K.-W. ; Mirza, M. ; Shueh, C. ; Huang, H.-R. ; Hsu, H.-F. ; Lierop, J. van</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c312t-d1a2a3262712e3fe994b8808979951b408f4b0e96b592f35efd577bc16d9376f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>COERCIVE FORCE</topic><topic>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</topic><topic>COUPLING</topic><topic>ELECTRONS</topic><topic>EXCHANGE INTERACTIONS</topic><topic>INTERFACES</topic><topic>ION BEAMS</topic><topic>ION IMPLANTATION</topic><topic>IRON ALLOYS</topic><topic>LAYERS</topic><topic>MAGNETISM</topic><topic>NANOSCIENCE AND NANOTECHNOLOGY</topic><topic>NANOSTRUCTURES</topic><topic>NICKEL ALLOYS</topic><topic>NICKEL OXIDES</topic><topic>PHASE STABILITY</topic><topic>ROUGHNESS</topic><topic>SURFACES</topic><topic>TEMPERATURE DEPENDENCE</topic><topic>TEXTURE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lin, K.-W.</creatorcontrib><creatorcontrib>Mirza, M.</creatorcontrib><creatorcontrib>Shueh, C.</creatorcontrib><creatorcontrib>Huang, H.-R.</creatorcontrib><creatorcontrib>Hsu, H.-F.</creatorcontrib><creatorcontrib>Lierop, J. van</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lin, K.-W.</au><au>Mirza, M.</au><au>Shueh, C.</au><au>Huang, H.-R.</au><au>Hsu, H.-F.</au><au>Lierop, J. van</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tailoring interfacial exchange coupling with low-energy ion beam bombardment: Tuning the interface roughness</atitle><jtitle>Applied physics letters</jtitle><date>2012-03-19</date><risdate>2012</risdate><volume>100</volume><issue>12</issue><spage>122409</spage><epage>122409-4</epage><pages>122409-122409-4</pages><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>By ascertaining NiO surface roughness in a Ni
80
Fe
20
/NiO film system, we were able to correlate the effects of altered interface roughness from low-energy ion-beam bombardment of the NiO layer and the different thermal instabilities in the NiO nanocrystallites. From experiment and by modelling the temperature dependence of the exchange bias field and coercivity, we have found that reducing the interface roughness and changing the interface texture from an irregular to striped conformation enhanced the exchange coupling strength. Our results were in good agreement with recent simulations using the domain state model that incorporated interface mixing.</abstract><cop>United States</cop><pub>American Institute of Physics</pub><doi>10.1063/1.3697405</doi></addata></record> |
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| ispartof | Applied physics letters, 2012-03, Vol.100 (12), p.122409-122409-4 |
| issn | 0003-6951 1077-3118 |
| language | eng |
| recordid | cdi_osti_scitechconnect_22025482 |
| source | AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection |
| subjects | COERCIVE FORCE CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY COUPLING ELECTRONS EXCHANGE INTERACTIONS INTERFACES ION BEAMS ION IMPLANTATION IRON ALLOYS LAYERS MAGNETISM NANOSCIENCE AND NANOTECHNOLOGY NANOSTRUCTURES NICKEL ALLOYS NICKEL OXIDES PHASE STABILITY ROUGHNESS SURFACES TEMPERATURE DEPENDENCE TEXTURE |
| title | Tailoring interfacial exchange coupling with low-energy ion beam bombardment: Tuning the interface roughness |
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