Improving the sensitivity of asymmetric magnetoimpedance in exchange biased NiFe/IrMn multilayers
We investigate the asymmetric magnetoimpedance effect in exchange biased NiFe/IrMn multilayers and explore the possibility of tailoring the linear region of the curves around zero magnetic field by playing with the thickness of the ferromagnetic layers, probe current frequency, and the orientation b...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2015-11, Vol.394, p.87-91 |
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| container_title | Journal of magnetism and magnetic materials |
| container_volume | 394 |
| creator | da Silva, R.B. Silva, E.F. Mori, T.J.A. Della Pace, R.D. Dutra, R. Corrêa, M.A. Bohn, F. Sommer, R.L. |
| description | We investigate the asymmetric magnetoimpedance effect in exchange biased NiFe/IrMn multilayers and explore the possibility of tailoring the linear region of the curves around zero magnetic field by playing with the thickness of the ferromagnetic layers, probe current frequency, and the orientation between external magnetic field and exchange bias field direction. We quantify the sensitivity by calculating the |dZ/dH|H=0 in a wide range of frequencies. The highest sensitivity is observed for the thicker multilayer, reaching ∼160mΩ/Oe at ∼2.0GHz. The results place exchange biased magnetoimpedance multilayers as attractive candidates for the development of auto-biased linear magnetic field sensors. |
| doi_str_mv | 10.1016/j.jmmm.2015.06.038 |
| format | Article |
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We quantify the sensitivity by calculating the |dZ/dH|H=0 in a wide range of frequencies. The highest sensitivity is observed for the thicker multilayer, reaching ∼160mΩ/Oe at ∼2.0GHz. The results place exchange biased magnetoimpedance multilayers as attractive candidates for the development of auto-biased linear magnetic field sensors.</description><identifier>ISSN: 0304-8853</identifier><identifier>DOI: 10.1016/j.jmmm.2015.06.038</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Asymmetry ; Exchange ; Exchange bias ; Iron compounds ; Magnetic fields ; Magnetization dynamics ; Magnetoimpedance ; Magnetoimpedance effect ; Multilayers ; Nickel base alloys ; Nickel compounds</subject><ispartof>Journal of magnetism and magnetic materials, 2015-11, Vol.394, p.87-91</ispartof><rights>2015 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c377t-fa0bacf933bf80798243c8a841f37d0a0407ed8b55e19bd6bb9d06e1ceaadcaf3</citedby><cites>FETCH-LOGICAL-c377t-fa0bacf933bf80798243c8a841f37d0a0407ed8b55e19bd6bb9d06e1ceaadcaf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jmmm.2015.06.038$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>da Silva, R.B.</creatorcontrib><creatorcontrib>Silva, E.F.</creatorcontrib><creatorcontrib>Mori, T.J.A.</creatorcontrib><creatorcontrib>Della Pace, R.D.</creatorcontrib><creatorcontrib>Dutra, R.</creatorcontrib><creatorcontrib>Corrêa, M.A.</creatorcontrib><creatorcontrib>Bohn, F.</creatorcontrib><creatorcontrib>Sommer, R.L.</creatorcontrib><title>Improving the sensitivity of asymmetric magnetoimpedance in exchange biased NiFe/IrMn multilayers</title><title>Journal of magnetism and magnetic materials</title><description>We investigate the asymmetric magnetoimpedance effect in exchange biased NiFe/IrMn multilayers and explore the possibility of tailoring the linear region of the curves around zero magnetic field by playing with the thickness of the ferromagnetic layers, probe current frequency, and the orientation between external magnetic field and exchange bias field direction. We quantify the sensitivity by calculating the |dZ/dH|H=0 in a wide range of frequencies. The highest sensitivity is observed for the thicker multilayer, reaching ∼160mΩ/Oe at ∼2.0GHz. The results place exchange biased magnetoimpedance multilayers as attractive candidates for the development of auto-biased linear magnetic field sensors.</description><subject>Asymmetry</subject><subject>Exchange</subject><subject>Exchange bias</subject><subject>Iron compounds</subject><subject>Magnetic fields</subject><subject>Magnetization dynamics</subject><subject>Magnetoimpedance</subject><subject>Magnetoimpedance effect</subject><subject>Multilayers</subject><subject>Nickel base alloys</subject><subject>Nickel compounds</subject><issn>0304-8853</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp9kD1PwzAURTOARPn4A0weWZo-12niSiyoolCpwAKz9WK_tI7ipNhuRf49icrMdJd7rnRPktxzSDnwfFantXMunQNfpJCnIORFMgEB2VTKhbhKrkOoAYBnMp8kuHEH351su2NxTyxQG2y0Jxt71lUMQ-8cRW81c7hrKXbWHchgq4nZltGP3mO7I1ZaDGTYu13TbOPfWuaOTbQN9uTDbXJZYRPo7i9vkq_18-fqdbr9eNmsnrZTLYoiTiuEEnW1FKKsJBRLOc-EligzXonCAEIGBRlZLhbEl6XJy3JpICeuCdForMRN8nDeHf58HylE5WzQ1DTYUncMihcyn4_DcqjOz1XtuxA8VergrUPfKw5qdKhqNTpUo0MFuRocDtDjGaLhxMmSV0FbGkwY60lHZTr7H_4LyPR_0w</recordid><startdate>20151115</startdate><enddate>20151115</enddate><creator>da Silva, R.B.</creator><creator>Silva, E.F.</creator><creator>Mori, T.J.A.</creator><creator>Della Pace, R.D.</creator><creator>Dutra, R.</creator><creator>Corrêa, M.A.</creator><creator>Bohn, F.</creator><creator>Sommer, R.L.</creator><general>Elsevier B.V</general><scope>6I.</scope><scope>AAFTH</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>20151115</creationdate><title>Improving the sensitivity of asymmetric magnetoimpedance in exchange biased NiFe/IrMn multilayers</title><author>da Silva, R.B. ; Silva, E.F. ; Mori, T.J.A. ; Della Pace, R.D. ; Dutra, R. ; Corrêa, M.A. ; Bohn, F. ; Sommer, R.L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c377t-fa0bacf933bf80798243c8a841f37d0a0407ed8b55e19bd6bb9d06e1ceaadcaf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Asymmetry</topic><topic>Exchange</topic><topic>Exchange bias</topic><topic>Iron compounds</topic><topic>Magnetic fields</topic><topic>Magnetization dynamics</topic><topic>Magnetoimpedance</topic><topic>Magnetoimpedance effect</topic><topic>Multilayers</topic><topic>Nickel base alloys</topic><topic>Nickel compounds</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>da Silva, R.B.</creatorcontrib><creatorcontrib>Silva, E.F.</creatorcontrib><creatorcontrib>Mori, T.J.A.</creatorcontrib><creatorcontrib>Della Pace, R.D.</creatorcontrib><creatorcontrib>Dutra, R.</creatorcontrib><creatorcontrib>Corrêa, M.A.</creatorcontrib><creatorcontrib>Bohn, F.</creatorcontrib><creatorcontrib>Sommer, R.L.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</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>da Silva, R.B.</au><au>Silva, E.F.</au><au>Mori, T.J.A.</au><au>Della Pace, R.D.</au><au>Dutra, R.</au><au>Corrêa, M.A.</au><au>Bohn, F.</au><au>Sommer, R.L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improving the sensitivity of asymmetric magnetoimpedance in exchange biased NiFe/IrMn multilayers</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2015-11-15</date><risdate>2015</risdate><volume>394</volume><spage>87</spage><epage>91</epage><pages>87-91</pages><issn>0304-8853</issn><abstract>We investigate the asymmetric magnetoimpedance effect in exchange biased NiFe/IrMn multilayers and explore the possibility of tailoring the linear region of the curves around zero magnetic field by playing with the thickness of the ferromagnetic layers, probe current frequency, and the orientation between external magnetic field and exchange bias field direction. We quantify the sensitivity by calculating the |dZ/dH|H=0 in a wide range of frequencies. The highest sensitivity is observed for the thicker multilayer, reaching ∼160mΩ/Oe at ∼2.0GHz. The results place exchange biased magnetoimpedance multilayers as attractive candidates for the development of auto-biased linear magnetic field sensors.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.jmmm.2015.06.038</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Asymmetry Exchange Exchange bias Iron compounds Magnetic fields Magnetization dynamics Magnetoimpedance Magnetoimpedance effect Multilayers Nickel base alloys Nickel compounds |
| title | Improving the sensitivity of asymmetric magnetoimpedance in exchange biased NiFe/IrMn multilayers |
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