Room temperature microwave-assisted recording on 500-Gbpsi-class perpendicular medium
Microwave-assisted recording on a 500-Gbpsi-class perpendicular medium was experimentally demonstrated at room temperature. Magnetization reversal under a radio-frequency magnetic field was measured by an electrically shorted coplanar waveguide, which enabled us to evaluate the change in the medium&...
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| Veröffentlicht in: | Journal of applied physics 2012-10, Vol.112 (8) |
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| container_issue | 8 |
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| container_title | Journal of applied physics |
| container_volume | 112 |
| creator | Nozaki, Y. Ishida, N. Soeno, Y. Sekiguchi, K. |
| description | Microwave-assisted recording on a 500-Gbpsi-class perpendicular medium was experimentally demonstrated at room temperature. Magnetization reversal under a radio-frequency magnetic field was measured by an electrically shorted coplanar waveguide, which enabled us to evaluate the change in the medium's ferromagnetic resonance spectrum. A frequency-dependent reduction in the switching field was clearly observed in response to a microwave impulse 50 ns in duration. A significant reduction of up to 30% in the coercive field was achieved by applying a microwave impulse with an amplitude of 25 dBm and a frequency of 15 GHz. |
| doi_str_mv | 10.1063/1.4759169 |
| format | Article |
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Magnetization reversal under a radio-frequency magnetic field was measured by an electrically shorted coplanar waveguide, which enabled us to evaluate the change in the medium's ferromagnetic resonance spectrum. A frequency-dependent reduction in the switching field was clearly observed in response to a microwave impulse 50 ns in duration. A significant reduction of up to 30% in the coercive field was achieved by applying a microwave impulse with an amplitude of 25 dBm and a frequency of 15 GHz.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.4759169</identifier><language>eng</language><subject>Coplanar waveguides ; Impulses ; Magnetic fields ; Magnetization reversal ; Microwaves ; Recording ; Reduction ; Switching</subject><ispartof>Journal of applied physics, 2012-10, Vol.112 (8)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-e629cb3a66eb8ddc09d420044cdbb8899602bce871c38212c142d38fe35325493</citedby><cites>FETCH-LOGICAL-c328t-e629cb3a66eb8ddc09d420044cdbb8899602bce871c38212c142d38fe35325493</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Nozaki, Y.</creatorcontrib><creatorcontrib>Ishida, N.</creatorcontrib><creatorcontrib>Soeno, Y.</creatorcontrib><creatorcontrib>Sekiguchi, K.</creatorcontrib><title>Room temperature microwave-assisted recording on 500-Gbpsi-class perpendicular medium</title><title>Journal of applied physics</title><description>Microwave-assisted recording on a 500-Gbpsi-class perpendicular medium was experimentally demonstrated at room temperature. Magnetization reversal under a radio-frequency magnetic field was measured by an electrically shorted coplanar waveguide, which enabled us to evaluate the change in the medium's ferromagnetic resonance spectrum. A frequency-dependent reduction in the switching field was clearly observed in response to a microwave impulse 50 ns in duration. A significant reduction of up to 30% in the coercive field was achieved by applying a microwave impulse with an amplitude of 25 dBm and a frequency of 15 GHz.</description><subject>Coplanar waveguides</subject><subject>Impulses</subject><subject>Magnetic fields</subject><subject>Magnetization reversal</subject><subject>Microwaves</subject><subject>Recording</subject><subject>Reduction</subject><subject>Switching</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNotkE1LxDAURYMoOI4u_Add6iLje0k_kqUMOgoDgjjrkiZvJNK0NWkV_70dZlZ3c-6Fexi7RVghlPIBV3lVaCz1GVsgKM2rooBztgAQyJWu9CW7SukLAFFJvWC7974P2UhhoGjGKVIWvI39r_khblLyaSSXRbJ9dL77zPouKwD4phmS57adiWwuDtQ5b6fWxCyQ81O4Zhd70ya6OeWS7Z6fPtYvfPu2eV0_brmVQo2cSqFtI01ZUqOcs6BdLgDy3LqmUUrrEkRjSVVopRIoLObCSbUnWUhR5Fou2d1xd4j990RprINPltrWdNRPqUYppMAcRDWj90d0fpdSpH09RB9M_KsR6oO6GuuTOvkPPX9gbg</recordid><startdate>20121015</startdate><enddate>20121015</enddate><creator>Nozaki, Y.</creator><creator>Ishida, N.</creator><creator>Soeno, Y.</creator><creator>Sekiguchi, K.</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20121015</creationdate><title>Room temperature microwave-assisted recording on 500-Gbpsi-class perpendicular medium</title><author>Nozaki, Y. ; Ishida, N. ; Soeno, Y. ; Sekiguchi, K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-e629cb3a66eb8ddc09d420044cdbb8899602bce871c38212c142d38fe35325493</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Coplanar waveguides</topic><topic>Impulses</topic><topic>Magnetic fields</topic><topic>Magnetization reversal</topic><topic>Microwaves</topic><topic>Recording</topic><topic>Reduction</topic><topic>Switching</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nozaki, Y.</creatorcontrib><creatorcontrib>Ishida, N.</creatorcontrib><creatorcontrib>Soeno, Y.</creatorcontrib><creatorcontrib>Sekiguchi, K.</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nozaki, Y.</au><au>Ishida, N.</au><au>Soeno, Y.</au><au>Sekiguchi, K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Room temperature microwave-assisted recording on 500-Gbpsi-class perpendicular medium</atitle><jtitle>Journal of applied physics</jtitle><date>2012-10-15</date><risdate>2012</risdate><volume>112</volume><issue>8</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><abstract>Microwave-assisted recording on a 500-Gbpsi-class perpendicular medium was experimentally demonstrated at room temperature. Magnetization reversal under a radio-frequency magnetic field was measured by an electrically shorted coplanar waveguide, which enabled us to evaluate the change in the medium's ferromagnetic resonance spectrum. A frequency-dependent reduction in the switching field was clearly observed in response to a microwave impulse 50 ns in duration. A significant reduction of up to 30% in the coercive field was achieved by applying a microwave impulse with an amplitude of 25 dBm and a frequency of 15 GHz.</abstract><doi>10.1063/1.4759169</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0021-8979 |
| ispartof | Journal of applied physics, 2012-10, Vol.112 (8) |
| issn | 0021-8979 1089-7550 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1323214027 |
| source | AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection |
| subjects | Coplanar waveguides Impulses Magnetic fields Magnetization reversal Microwaves Recording Reduction Switching |
| title | Room temperature microwave-assisted recording on 500-Gbpsi-class perpendicular medium |
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