Angular dependent ferromagnetic resonance analysis in a single micron sized cobalt stripe
We demonstrate how planar microresonators (PMRs) can be utilized to investigate the angular dependent magnetic resonance response of single magnetic nanostructures. In contrast to alternative detection schemes like electrical or optical detection, the PMR approach provides a classical means of inves...
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| Veröffentlicht in: | Journal of applied physics 2014-07, Vol.116 (3) |
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| container_title | Journal of applied physics |
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| creator | Schoeppner, C. Wagner, K. Stienen, S. Meckenstock, R. Farle, M. Narkowicz, R. Suter, D. Lindner, J. |
| description | We demonstrate how planar microresonators (PMRs) can be utilized to investigate the angular dependent magnetic resonance response of single magnetic nanostructures. In contrast to alternative detection schemes like electrical or optical detection, the PMR approach provides a classical means of investigating the high frequency dynamics of single magnetic entities, enabling the use of well-established analysis methods of ferromagnetic resonance (FMR) spectroscopy. To demonstrate the performance of the PMR-based FMR setup for angular dependent measurements, we investigate the microwave excited magnons in a single Co stripe of 5 × 1 × 0.02 μm3 and compare the results to micromagnetic simulations. The evolution of excited magnons under rotation of one individual stripe with respect to a static magnetic field is investigated. Besides quasi uniform excitations, we observe magneto-static as well as localized excitations. We find a strong influence of inhomogeneous dynamic and static demagnetizing fields for all modes. |
| doi_str_mv | 10.1063/1.4890515 |
| format | Article |
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In contrast to alternative detection schemes like electrical or optical detection, the PMR approach provides a classical means of investigating the high frequency dynamics of single magnetic entities, enabling the use of well-established analysis methods of ferromagnetic resonance (FMR) spectroscopy. To demonstrate the performance of the PMR-based FMR setup for angular dependent measurements, we investigate the microwave excited magnons in a single Co stripe of 5 × 1 × 0.02 μm3 and compare the results to micromagnetic simulations. The evolution of excited magnons under rotation of one individual stripe with respect to a static magnetic field is investigated. Besides quasi uniform excitations, we observe magneto-static as well as localized excitations. We find a strong influence of inhomogeneous dynamic and static demagnetizing fields for all modes.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.4890515</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Demagnetization ; Ferromagnetic resonance ; Ferromagnetism ; Magnons</subject><ispartof>Journal of applied physics, 2014-07, Vol.116 (3)</ispartof><rights>2014 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c323t-d083e6d48f0b326d57dd4536b381b1799d598149ecce105f8b138ff5d6bdfa383</citedby><cites>FETCH-LOGICAL-c323t-d083e6d48f0b326d57dd4536b381b1799d598149ecce105f8b138ff5d6bdfa383</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Schoeppner, C.</creatorcontrib><creatorcontrib>Wagner, K.</creatorcontrib><creatorcontrib>Stienen, S.</creatorcontrib><creatorcontrib>Meckenstock, R.</creatorcontrib><creatorcontrib>Farle, M.</creatorcontrib><creatorcontrib>Narkowicz, R.</creatorcontrib><creatorcontrib>Suter, D.</creatorcontrib><creatorcontrib>Lindner, J.</creatorcontrib><title>Angular dependent ferromagnetic resonance analysis in a single micron sized cobalt stripe</title><title>Journal of applied physics</title><description>We demonstrate how planar microresonators (PMRs) can be utilized to investigate the angular dependent magnetic resonance response of single magnetic nanostructures. In contrast to alternative detection schemes like electrical or optical detection, the PMR approach provides a classical means of investigating the high frequency dynamics of single magnetic entities, enabling the use of well-established analysis methods of ferromagnetic resonance (FMR) spectroscopy. To demonstrate the performance of the PMR-based FMR setup for angular dependent measurements, we investigate the microwave excited magnons in a single Co stripe of 5 × 1 × 0.02 μm3 and compare the results to micromagnetic simulations. The evolution of excited magnons under rotation of one individual stripe with respect to a static magnetic field is investigated. Besides quasi uniform excitations, we observe magneto-static as well as localized excitations. 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In contrast to alternative detection schemes like electrical or optical detection, the PMR approach provides a classical means of investigating the high frequency dynamics of single magnetic entities, enabling the use of well-established analysis methods of ferromagnetic resonance (FMR) spectroscopy. To demonstrate the performance of the PMR-based FMR setup for angular dependent measurements, we investigate the microwave excited magnons in a single Co stripe of 5 × 1 × 0.02 μm3 and compare the results to micromagnetic simulations. The evolution of excited magnons under rotation of one individual stripe with respect to a static magnetic field is investigated. Besides quasi uniform excitations, we observe magneto-static as well as localized excitations. We find a strong influence of inhomogeneous dynamic and static demagnetizing fields for all modes.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4890515</doi></addata></record> |
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| ispartof | Journal of applied physics, 2014-07, Vol.116 (3) |
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| language | eng |
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| source | American Institute of Physics (AIP) Journals; Alma/SFX Local Collection |
| subjects | Applied physics Demagnetization Ferromagnetic resonance Ferromagnetism Magnons |
| title | Angular dependent ferromagnetic resonance analysis in a single micron sized cobalt stripe |
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