The angular dependence of the remanent coercivity of gamma ferric oxide 'tape' particles
Samples containing dilute dispersions of partially aligned gamma ferric oxide tape particles have been magnetized to near saturation along the alignment axis. By applying progressively higher alternating fields (AFs) at a given angle to the alignment axis, the saturated isothermal remanent magnetiza...
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| Veröffentlicht in: | IEEE transactions on magnetics 1993-01, Vol.29 (1), p.7-10 |
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| container_title | IEEE transactions on magnetics |
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| creator | Stephenson, A. Shao, J.C. |
| description | Samples containing dilute dispersions of partially aligned gamma ferric oxide tape particles have been magnetized to near saturation along the alignment axis. By applying progressively higher alternating fields (AFs) at a given angle to the alignment axis, the saturated isothermal remanent magnetization (IRM) can be gradually destroyed and the peak field required to reduce the IRM to half its original value can be found. If this process is repeated for different angles, the angular variation of coercivity of remanence of an average single aligned particle can be obtained by extrapolating the results to the case of perfect alignment. The results show that the remanent coercivity increases as the angle which the AF makes with the alignment axis increases, thus supporting the conclusion of J.E. Knowles (1978) who obtained similar results by carrying out experiments on individual particles.< > |
| doi_str_mv | 10.1109/20.195543 |
| format | Article |
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By applying progressively higher alternating fields (AFs) at a given angle to the alignment axis, the saturated isothermal remanent magnetization (IRM) can be gradually destroyed and the peak field required to reduce the IRM to half its original value can be found. If this process is repeated for different angles, the angular variation of coercivity of remanence of an average single aligned particle can be obtained by extrapolating the results to the case of perfect alignment. The results show that the remanent coercivity increases as the angle which the AF makes with the alignment axis increases, thus supporting the conclusion of J.E. Knowles (1978) who obtained similar results by carrying out experiments on individual particles.< ></description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/20.195543</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Anisotropic magnetoresistance ; Coercive force ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Exact sciences and technology ; Magnetic anisotropy ; Magnetic properties and materials ; Magnetic recording ; Magnetic switching ; Magnetization ; Microscopy ; Perpendicular magnetic anisotropy ; Physics ; Remanence ; Studies of specific magnetic materials</subject><ispartof>IEEE transactions on magnetics, 1993-01, Vol.29 (1), p.7-10</ispartof><rights>1994 INIST-CNRS</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c275t-ff665119c551df246ff3862a9249b8c9f8f030a6654375cf845553a873ffba973</citedby><cites>FETCH-LOGICAL-c275t-ff665119c551df246ff3862a9249b8c9f8f030a6654375cf845553a873ffba973</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/195543$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,4010,27904,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/195543$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3831987$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Stephenson, A.</creatorcontrib><creatorcontrib>Shao, J.C.</creatorcontrib><title>The angular dependence of the remanent coercivity of gamma ferric oxide 'tape' particles</title><title>IEEE transactions on magnetics</title><addtitle>TMAG</addtitle><description>Samples containing dilute dispersions of partially aligned gamma ferric oxide tape particles have been magnetized to near saturation along the alignment axis. By applying progressively higher alternating fields (AFs) at a given angle to the alignment axis, the saturated isothermal remanent magnetization (IRM) can be gradually destroyed and the peak field required to reduce the IRM to half its original value can be found. If this process is repeated for different angles, the angular variation of coercivity of remanence of an average single aligned particle can be obtained by extrapolating the results to the case of perfect alignment. The results show that the remanent coercivity increases as the angle which the AF makes with the alignment axis increases, thus supporting the conclusion of J.E. Knowles (1978) who obtained similar results by carrying out experiments on individual particles.< ></description><subject>Anisotropic magnetoresistance</subject><subject>Coercive force</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Exact sciences and technology</subject><subject>Magnetic anisotropy</subject><subject>Magnetic properties and materials</subject><subject>Magnetic recording</subject><subject>Magnetic switching</subject><subject>Magnetization</subject><subject>Microscopy</subject><subject>Perpendicular magnetic anisotropy</subject><subject>Physics</subject><subject>Remanence</subject><subject>Studies of specific magnetic materials</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><recordid>eNpFkEtLxDAUhYMoOI4u3LrKQhhcVJMmaZulDL5gwM0I7sqd9N4x0hdJFeff27Giq8PlfPdbHMbOpbiWUtibdExrjFYHbCatlokQmT1kMyFkkVid6WN2EuP7eGojxYy9rt-QQ7v9qCHwCntsK2wd8o74MDYBG2ixHbjrMDj_6YfdvtpC0wAnDME73n35CvligB4XvIcweFdjPGVHBHXEs9-cs5f7u_XyMVk9Pzwtb1eJS3MzJERZZqS0zhhZUaozIlVkKdhU203hLBUklIAR0io3jgptjFFQ5IpoAzZXc3Y1eV3oYgxIZR98A2FXSlHuJynTMX8mGdnLie0hOqgpQOt8_HtQhZK22CsvJswj4r9ucnwDKEJn3w</recordid><startdate>199301</startdate><enddate>199301</enddate><creator>Stephenson, A.</creator><creator>Shao, J.C.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>199301</creationdate><title>The angular dependence of the remanent coercivity of gamma ferric oxide 'tape' particles</title><author>Stephenson, A. ; Shao, J.C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c275t-ff665119c551df246ff3862a9249b8c9f8f030a6654375cf845553a873ffba973</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>Anisotropic magnetoresistance</topic><topic>Coercive force</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Exact sciences and technology</topic><topic>Magnetic anisotropy</topic><topic>Magnetic properties and materials</topic><topic>Magnetic recording</topic><topic>Magnetic switching</topic><topic>Magnetization</topic><topic>Microscopy</topic><topic>Perpendicular magnetic anisotropy</topic><topic>Physics</topic><topic>Remanence</topic><topic>Studies of specific magnetic materials</topic><toplevel>online_resources</toplevel><creatorcontrib>Stephenson, A.</creatorcontrib><creatorcontrib>Shao, J.C.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>IEEE transactions on magnetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Stephenson, A.</au><au>Shao, J.C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The angular dependence of the remanent coercivity of gamma ferric oxide 'tape' particles</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>1993-01</date><risdate>1993</risdate><volume>29</volume><issue>1</issue><spage>7</spage><epage>10</epage><pages>7-10</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>Samples containing dilute dispersions of partially aligned gamma ferric oxide tape particles have been magnetized to near saturation along the alignment axis. By applying progressively higher alternating fields (AFs) at a given angle to the alignment axis, the saturated isothermal remanent magnetization (IRM) can be gradually destroyed and the peak field required to reduce the IRM to half its original value can be found. If this process is repeated for different angles, the angular variation of coercivity of remanence of an average single aligned particle can be obtained by extrapolating the results to the case of perfect alignment. The results show that the remanent coercivity increases as the angle which the AF makes with the alignment axis increases, thus supporting the conclusion of J.E. Knowles (1978) who obtained similar results by carrying out experiments on individual particles.< ></abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/20.195543</doi><tpages>4</tpages></addata></record> |
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| ispartof | IEEE transactions on magnetics, 1993-01, Vol.29 (1), p.7-10 |
| issn | 0018-9464 1941-0069 |
| language | eng |
| recordid | cdi_pascalfrancis_primary_3831987 |
| source | IEEE Electronic Library (IEL) |
| subjects | Anisotropic magnetoresistance Coercive force Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Magnetic anisotropy Magnetic properties and materials Magnetic recording Magnetic switching Magnetization Microscopy Perpendicular magnetic anisotropy Physics Remanence Studies of specific magnetic materials |
| title | The angular dependence of the remanent coercivity of gamma ferric oxide 'tape' particles |
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