Magnetic force microscopy study of microwave-assisted magnetization reversal in submicron-scale ferromagnetic particles
Changes in magnetic-domain configurations caused by the application of radio-frequency (rf) fields ranging from 3 to 18 GHz were observed using magnetic force microscope. rf fields barely altered the magnetization of Co particles with scattered large crystalline anisotropy; however, for NiFe particl...
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| Veröffentlicht in: | Applied physics letters 2007-08, Vol.91 (8), p.082510-082510-3 |
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| container_end_page | 082510-3 |
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| container_issue | 8 |
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| container_title | Applied physics letters |
| container_volume | 91 |
| creator | Nozaki, Y. Ohta, M. Taharazako, S. Tateishi, K. Yoshimura, S. Matsuyama, K. |
| description | Changes in magnetic-domain configurations caused by the application of radio-frequency (rf) fields ranging from
3
to
18
GHz
were observed using magnetic force microscope. rf fields barely altered the magnetization of Co particles with scattered large crystalline anisotropy; however, for NiFe particles, magnetization switching occurred when the rf approached the natural ferromagnetic-resonance frequency of
5.92
GHz
. However, the reduction of the switching field fluctuated widely among the particles. Scattering of the effective energy barrier to thermal fluctuations caused by an applied rf field can explain the stochastic switching properties. |
| doi_str_mv | 10.1063/1.2775047 |
| format | Article |
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3
to
18
GHz
were observed using magnetic force microscope. rf fields barely altered the magnetization of Co particles with scattered large crystalline anisotropy; however, for NiFe particles, magnetization switching occurred when the rf approached the natural ferromagnetic-resonance frequency of
5.92
GHz
. However, the reduction of the switching field fluctuated widely among the particles. Scattering of the effective energy barrier to thermal fluctuations caused by an applied rf field can explain the stochastic switching properties.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.2775047</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>American Institute of Physics</publisher><ispartof>Applied physics letters, 2007-08, Vol.91 (8), p.082510-082510-3</ispartof><rights>2007 American Institute of Physics</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c350t-4061ea26a8a9e18427d6ac40e116cadcd42ee9216a439f6af496b2913153c8823</citedby><cites>FETCH-LOGICAL-c350t-4061ea26a8a9e18427d6ac40e116cadcd42ee9216a439f6af496b2913153c8823</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/10.1063/1.2775047$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>314,780,784,794,1558,4510,27923,27924,76155,76161</link.rule.ids></links><search><creatorcontrib>Nozaki, Y.</creatorcontrib><creatorcontrib>Ohta, M.</creatorcontrib><creatorcontrib>Taharazako, S.</creatorcontrib><creatorcontrib>Tateishi, K.</creatorcontrib><creatorcontrib>Yoshimura, S.</creatorcontrib><creatorcontrib>Matsuyama, K.</creatorcontrib><title>Magnetic force microscopy study of microwave-assisted magnetization reversal in submicron-scale ferromagnetic particles</title><title>Applied physics letters</title><description>Changes in magnetic-domain configurations caused by the application of radio-frequency (rf) fields ranging from
3
to
18
GHz
were observed using magnetic force microscope. rf fields barely altered the magnetization of Co particles with scattered large crystalline anisotropy; however, for NiFe particles, magnetization switching occurred when the rf approached the natural ferromagnetic-resonance frequency of
5.92
GHz
. However, the reduction of the switching field fluctuated widely among the particles. Scattering of the effective energy barrier to thermal fluctuations caused by an applied rf field can explain the stochastic switching properties.</description><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNp1kE1PwzAMhiMEEmNw4B_kyqEjTtK0vSChiS9piAucIy91UVA_pqTbNH49W7sdOVm2Htt6H8ZuQcxAGHUPM5llqdDZGZuAyLJEAeTnbCKEUIkpUrhkVzH-7NtUKjVh23f8bqn3jlddcMQb70IXXbfa8divyx3vqnG2xQ0lGKOPPZW8Gbd-sfddywNtKESsuW95XC8Hvk2iw5p4RSF0zenJCsO-1BSv2UWFdaSbY52yr-enz_lrsvh4eZs_LhKnUtEnWhgglAZzLAhyLbPSoNOCAIzD0pVaEhUSDGpVVAYrXZilLEBBqlyeSzVld-PdQ6wYqLKr4BsMOwvCHoxZsEdje_ZhZKPz_ZDsf_ikzQ7a7BBZ_QEL8HZt</recordid><startdate>20070820</startdate><enddate>20070820</enddate><creator>Nozaki, Y.</creator><creator>Ohta, M.</creator><creator>Taharazako, S.</creator><creator>Tateishi, K.</creator><creator>Yoshimura, S.</creator><creator>Matsuyama, K.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20070820</creationdate><title>Magnetic force microscopy study of microwave-assisted magnetization reversal in submicron-scale ferromagnetic particles</title><author>Nozaki, Y. ; Ohta, M. ; Taharazako, S. ; Tateishi, K. ; Yoshimura, S. ; Matsuyama, K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c350t-4061ea26a8a9e18427d6ac40e116cadcd42ee9216a439f6af496b2913153c8823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nozaki, Y.</creatorcontrib><creatorcontrib>Ohta, M.</creatorcontrib><creatorcontrib>Taharazako, S.</creatorcontrib><creatorcontrib>Tateishi, K.</creatorcontrib><creatorcontrib>Yoshimura, S.</creatorcontrib><creatorcontrib>Matsuyama, K.</creatorcontrib><collection>CrossRef</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nozaki, Y.</au><au>Ohta, M.</au><au>Taharazako, S.</au><au>Tateishi, K.</au><au>Yoshimura, S.</au><au>Matsuyama, K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Magnetic force microscopy study of microwave-assisted magnetization reversal in submicron-scale ferromagnetic particles</atitle><jtitle>Applied physics letters</jtitle><date>2007-08-20</date><risdate>2007</risdate><volume>91</volume><issue>8</issue><spage>082510</spage><epage>082510-3</epage><pages>082510-082510-3</pages><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>Changes in magnetic-domain configurations caused by the application of radio-frequency (rf) fields ranging from
3
to
18
GHz
were observed using magnetic force microscope. rf fields barely altered the magnetization of Co particles with scattered large crystalline anisotropy; however, for NiFe particles, magnetization switching occurred when the rf approached the natural ferromagnetic-resonance frequency of
5.92
GHz
. However, the reduction of the switching field fluctuated widely among the particles. Scattering of the effective energy barrier to thermal fluctuations caused by an applied rf field can explain the stochastic switching properties.</abstract><pub>American Institute of Physics</pub><doi>10.1063/1.2775047</doi></addata></record> |
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| ispartof | Applied physics letters, 2007-08, Vol.91 (8), p.082510-082510-3 |
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| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_2775047 |
| source | AIP Journals Complete; AIP Digital Archive |
| title | Magnetic force microscopy study of microwave-assisted magnetization reversal in submicron-scale ferromagnetic particles |
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