Acquisition of vector hysteresis loops from micro-arrays of nano-magnets
A modified scanning Kerr microscope has been used as a static Kerr magnetometer to acquire in-plane vector hysteresis loops from square Si/Ta(50 Å)/Co 80Fe 20(40 Å)/Ni 88Fe 12(108 Å)/Ta(100 Å) elements with size ranging from 123 nm to 10 μm. The nanoscale elements were arranged in square arrays of 4...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2006-11, Vol.306 (2), p.298-301 |
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| container_title | Journal of magnetism and magnetic materials |
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| creator | Keatley, P.S. Kruglyak, V.V. Hicken, R.J. Childress, J.R. Katine, J.A. |
| description | A modified scanning Kerr microscope has been used as a static Kerr magnetometer to acquire in-plane vector hysteresis loops from square Si/Ta(50
Å)/Co
80Fe
20(40
Å)/Ni
88Fe
12(108
Å)/Ta(100
Å) elements with size ranging from 123
nm to 10
μm. The nanoscale elements were arranged in square arrays of 4
μm size. The laser beam was focused to a sub-micron spot, while polarization changes were recorded with an optical bridge detector containing a beam-splitting polarizer and two quadrant photodiodes. The coercive field exhibited a non-monotonic increase from 11
Oe in the 10
μm element to 170
Oe in the 123
nm elements. Loops acquired with the field applied parallel to the easy and hard in-plane uniaxial anisotropy axes were observed to become more similar in shape as the element size decreased. |
| doi_str_mv | 10.1016/j.jmmm.2006.03.030 |
| format | Article |
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Å)/Co
80Fe
20(40
Å)/Ni
88Fe
12(108
Å)/Ta(100
Å) elements with size ranging from 123
nm to 10
μm. The nanoscale elements were arranged in square arrays of 4
μm size. The laser beam was focused to a sub-micron spot, while polarization changes were recorded with an optical bridge detector containing a beam-splitting polarizer and two quadrant photodiodes. The coercive field exhibited a non-monotonic increase from 11
Oe in the 10
μm element to 170
Oe in the 123
nm elements. Loops acquired with the field applied parallel to the easy and hard in-plane uniaxial anisotropy axes were observed to become more similar in shape as the element size decreased.</description><identifier>ISSN: 0304-8853</identifier><identifier>DOI: 10.1016/j.jmmm.2006.03.030</identifier><identifier>CODEN: JMMMDC</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Exact sciences and technology ; Focused MOKE ; Hysteresis loops ; Magnetic properties and materials ; Magnetic properties of nanostructures ; Nano-magnets ; Patterned arrays ; Physics</subject><ispartof>Journal of magnetism and magnetic materials, 2006-11, Vol.306 (2), p.298-301</ispartof><rights>2006 Elsevier B.V.</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c361t-ccc877c7a9a24f19634120c72696e39fd5f197fb0640d0460bae0f18456429023</citedby><cites>FETCH-LOGICAL-c361t-ccc877c7a9a24f19634120c72696e39fd5f197fb0640d0460bae0f18456429023</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304885306006433$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18107389$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Keatley, P.S.</creatorcontrib><creatorcontrib>Kruglyak, V.V.</creatorcontrib><creatorcontrib>Hicken, R.J.</creatorcontrib><creatorcontrib>Childress, J.R.</creatorcontrib><creatorcontrib>Katine, J.A.</creatorcontrib><title>Acquisition of vector hysteresis loops from micro-arrays of nano-magnets</title><title>Journal of magnetism and magnetic materials</title><description>A modified scanning Kerr microscope has been used as a static Kerr magnetometer to acquire in-plane vector hysteresis loops from square Si/Ta(50
Å)/Co
80Fe
20(40
Å)/Ni
88Fe
12(108
Å)/Ta(100
Å) elements with size ranging from 123
nm to 10
μm. The nanoscale elements were arranged in square arrays of 4
μm size. The laser beam was focused to a sub-micron spot, while polarization changes were recorded with an optical bridge detector containing a beam-splitting polarizer and two quadrant photodiodes. The coercive field exhibited a non-monotonic increase from 11
Oe in the 10
μm element to 170
Oe in the 123
nm elements. Loops acquired with the field applied parallel to the easy and hard in-plane uniaxial anisotropy axes were observed to become more similar in shape as the element size decreased.</description><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Exact sciences and technology</subject><subject>Focused MOKE</subject><subject>Hysteresis loops</subject><subject>Magnetic properties and materials</subject><subject>Magnetic properties of nanostructures</subject><subject>Nano-magnets</subject><subject>Patterned arrays</subject><subject>Physics</subject><issn>0304-8853</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNp9kE1Lw0AQhvegYP34A55y0Vvi7Ec3CXgpRa1Q8KLnZbvZ1Q1Jtt1JC_33bmjBmzDMwPC88_ESck-hoEDlU1u0fd8XDEAWwFPABZmlLPKqmvMrco3YAgAVlZyR1cLs9h796MOQBZcdrBlDzH6OONpo0WPWhbDFzMXQZ703MeQ6Rn3ECR70EPJefw92xFty6XSH9u5cb8jX68vncpWvP97el4t1brikY26MqcrSlLrWTDhaSy4oA1MyWUvLa9fMU7N0G5ACGhASNtqCo5WYS8FqYPyGPJ7mbmPY7S2OqvdobNfpwYY9KlYzVnI5gewEppsRo3VqG32v41FRUJNRqlWTUWoySgFPAUn0cJ6u0ejORT0Yj3_KikLJqzpxzyfOplcP3kaFxtvB2MbH5KBqgv9vzS9gtYBQ</recordid><startdate>200611</startdate><enddate>200611</enddate><creator>Keatley, P.S.</creator><creator>Kruglyak, V.V.</creator><creator>Hicken, R.J.</creator><creator>Childress, J.R.</creator><creator>Katine, J.A.</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>200611</creationdate><title>Acquisition of vector hysteresis loops from micro-arrays of nano-magnets</title><author>Keatley, P.S. ; Kruglyak, V.V. ; Hicken, R.J. ; Childress, J.R. ; Katine, J.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c361t-ccc877c7a9a24f19634120c72696e39fd5f197fb0640d0460bae0f18456429023</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Exact sciences and technology</topic><topic>Focused MOKE</topic><topic>Hysteresis loops</topic><topic>Magnetic properties and materials</topic><topic>Magnetic properties of nanostructures</topic><topic>Nano-magnets</topic><topic>Patterned arrays</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Keatley, P.S.</creatorcontrib><creatorcontrib>Kruglyak, V.V.</creatorcontrib><creatorcontrib>Hicken, R.J.</creatorcontrib><creatorcontrib>Childress, J.R.</creatorcontrib><creatorcontrib>Katine, J.A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of magnetism and magnetic materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Keatley, P.S.</au><au>Kruglyak, V.V.</au><au>Hicken, R.J.</au><au>Childress, J.R.</au><au>Katine, J.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Acquisition of vector hysteresis loops from micro-arrays of nano-magnets</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2006-11</date><risdate>2006</risdate><volume>306</volume><issue>2</issue><spage>298</spage><epage>301</epage><pages>298-301</pages><issn>0304-8853</issn><coden>JMMMDC</coden><abstract>A modified scanning Kerr microscope has been used as a static Kerr magnetometer to acquire in-plane vector hysteresis loops from square Si/Ta(50
Å)/Co
80Fe
20(40
Å)/Ni
88Fe
12(108
Å)/Ta(100
Å) elements with size ranging from 123
nm to 10
μm. The nanoscale elements were arranged in square arrays of 4
μm size. The laser beam was focused to a sub-micron spot, while polarization changes were recorded with an optical bridge detector containing a beam-splitting polarizer and two quadrant photodiodes. The coercive field exhibited a non-monotonic increase from 11
Oe in the 10
μm element to 170
Oe in the 123
nm elements. Loops acquired with the field applied parallel to the easy and hard in-plane uniaxial anisotropy axes were observed to become more similar in shape as the element size decreased.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jmmm.2006.03.030</doi><tpages>4</tpages></addata></record> |
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| issn | 0304-8853 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Focused MOKE Hysteresis loops Magnetic properties and materials Magnetic properties of nanostructures Nano-magnets Patterned arrays Physics |
| title | Acquisition of vector hysteresis loops from micro-arrays of nano-magnets |
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