Creation of unidirectional spin-wave emitters by utilizing interfacial Dzyaloshinskii-Moriya interaction
We present an analytic and numerical study of the creation of a unidirectional spin-wave emission in ultrathin ferromagnetic films sandwiched in an asymmetric layer stack. For this we extend the analytical description of spin waves in spin-wave waveguides by incorporating the influence of the interf...
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| Veröffentlicht in: | Physical review. B 2017-02, Vol.95 (6), p.3006-3012, Article 064429 |
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| container_title | Physical review. B |
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| creator | Brächer, T. Boulle, O. Gaudin, G. Pirro, P. |
| description | We present an analytic and numerical study of the creation of a unidirectional spin-wave emission in ultrathin ferromagnetic films sandwiched in an asymmetric layer stack. For this we extend the analytical description of spin waves in spin-wave waveguides by incorporating the influence of the interfacial Dzyaloshinskii-Moriya interaction on the spin-wave propagation. By exploring the model system Ni81Fe19/Pt, we show that it is possible to achieve a unidirectional spin-wave emission by combining wave-vector selective excitation sources with the frequency splitting that arises from the interfacial Dzyaloshinskii-Moriya interaction. Hereby, we focus on device feature sizes and spin-wave wavelengths that are compatible with state-of-the art excitation and detection schemes. We demonstrate that the presented analytical formalism allows for an approximate prediction of the nonreciprocal emission. |
| doi_str_mv | 10.1103/PhysRevB.95.064429 |
| format | Article |
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For this we extend the analytical description of spin waves in spin-wave waveguides by incorporating the influence of the interfacial Dzyaloshinskii-Moriya interaction on the spin-wave propagation. By exploring the model system Ni81Fe19/Pt, we show that it is possible to achieve a unidirectional spin-wave emission by combining wave-vector selective excitation sources with the frequency splitting that arises from the interfacial Dzyaloshinskii-Moriya interaction. Hereby, we focus on device feature sizes and spin-wave wavelengths that are compatible with state-of-the art excitation and detection schemes. 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We demonstrate that the presented analytical formalism allows for an approximate prediction of the nonreciprocal emission.</description><subject>Condensed Matter</subject><subject>Emission analysis</subject><subject>Emitters</subject><subject>Excitation</subject><subject>Ferromagnetic films</subject><subject>Ferromagnetic materials</subject><subject>Magnons</subject><subject>Materials Science</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Physics</subject><subject>Wave propagation</subject><subject>Waveguides</subject><issn>2469-9950</issn><issn>1098-0121</issn><issn>2469-9969</issn><issn>1550-235X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNo9kU1Lw0AQhoMoWGr_gKeAJw-ps5_JHmv9qFBRRM_LJt01W9Ns3U0q6a83NeppZl4eXhieKDpHMEUIyNVz2YUXvbueCjYFTikWR9EIUy4SIbg4_t8ZnEaTENYAgDiIFMQoKudeq8a6OnYmbmu7sl4Xh1tVcdjaOvlSOx3rjW0a7UOcd3Hb2Mrubf0e27rPjCpsz97sO1W5UNo6fFibPDpvOzUQ6qfvLDoxqgp68jvH0dvd7et8kSyf7h_ms2VSUEybBBNkNHCSKUawMAWsCpJTqojWmFOlc-BYC0WNwShLcb6iGqcZyhkp0pyTlIyjy6G3VJXcertRvpNOWbmYLeUhA8QyxjjaoZ69GNitd5-tDo1cu9b3rweJEQYBQBjrKTxQhXcheG3-axHIgwD5J0AKJgcB5Bt9i3wh</recordid><startdate>20170227</startdate><enddate>20170227</enddate><creator>Brächer, T.</creator><creator>Boulle, O.</creator><creator>Gaudin, G.</creator><creator>Pirro, P.</creator><general>American Physical Society</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-8538-7907</orcidid></search><sort><creationdate>20170227</creationdate><title>Creation of unidirectional spin-wave emitters by utilizing interfacial Dzyaloshinskii-Moriya interaction</title><author>Brächer, T. ; Boulle, O. ; Gaudin, G. ; Pirro, P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c424t-231fe0638a5329fc0dc3b44a3ee264aeb062e9a4ff21872bd4e2781b53c7b6373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Condensed Matter</topic><topic>Emission analysis</topic><topic>Emitters</topic><topic>Excitation</topic><topic>Ferromagnetic films</topic><topic>Ferromagnetic materials</topic><topic>Magnons</topic><topic>Materials Science</topic><topic>Mathematical analysis</topic><topic>Mathematical models</topic><topic>Physics</topic><topic>Wave propagation</topic><topic>Waveguides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Brächer, T.</creatorcontrib><creatorcontrib>Boulle, O.</creatorcontrib><creatorcontrib>Gaudin, G.</creatorcontrib><creatorcontrib>Pirro, P.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Physical review. B</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Brächer, T.</au><au>Boulle, O.</au><au>Gaudin, G.</au><au>Pirro, P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Creation of unidirectional spin-wave emitters by utilizing interfacial Dzyaloshinskii-Moriya interaction</atitle><jtitle>Physical review. B</jtitle><date>2017-02-27</date><risdate>2017</risdate><volume>95</volume><issue>6</issue><spage>3006</spage><epage>3012</epage><pages>3006-3012</pages><artnum>064429</artnum><issn>2469-9950</issn><issn>1098-0121</issn><eissn>2469-9969</eissn><eissn>1550-235X</eissn><abstract>We present an analytic and numerical study of the creation of a unidirectional spin-wave emission in ultrathin ferromagnetic films sandwiched in an asymmetric layer stack. For this we extend the analytical description of spin waves in spin-wave waveguides by incorporating the influence of the interfacial Dzyaloshinskii-Moriya interaction on the spin-wave propagation. By exploring the model system Ni81Fe19/Pt, we show that it is possible to achieve a unidirectional spin-wave emission by combining wave-vector selective excitation sources with the frequency splitting that arises from the interfacial Dzyaloshinskii-Moriya interaction. Hereby, we focus on device feature sizes and spin-wave wavelengths that are compatible with state-of-the art excitation and detection schemes. We demonstrate that the presented analytical formalism allows for an approximate prediction of the nonreciprocal emission.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevB.95.064429</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-8538-7907</orcidid></addata></record> |
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| source | American Physical Society Journals |
| subjects | Condensed Matter Emission analysis Emitters Excitation Ferromagnetic films Ferromagnetic materials Magnons Materials Science Mathematical analysis Mathematical models Physics Wave propagation Waveguides |
| title | Creation of unidirectional spin-wave emitters by utilizing interfacial Dzyaloshinskii-Moriya interaction |
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