Determination of domain wall energy and critical single-domain particle size based on domain structure observations of ThMn12-type magnetic particles
•Domain width and grain size of selected ThMn12 structure compounds were measured.•Well characterized Sm2Fe17N3 particles were used as standard for measurements.•Domain wall energy (γ) and single-domain grain critical size (Rc) were calculated.•Classical equations for domain structure analyses were...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2020-11, Vol.513, p.167244, Article 167244 |
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| container_title | Journal of magnetism and magnetic materials |
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| creator | Kobayashi, K. Urushibata, K. Kuno, T. Suzuki, S. Sakuma, N. Shoji, T. Kato, A. |
| description | •Domain width and grain size of selected ThMn12 structure compounds were measured.•Well characterized Sm2Fe17N3 particles were used as standard for measurements.•Domain wall energy (γ) and single-domain grain critical size (Rc) were calculated.•Classical equations for domain structure analyses were used for the calculations.•The determined γ, Rc, exchange stiffness A, exchange integral Jij were listed.
The domain structures of standard Sm2Fe17N3 particles and three almost α-(Fe,Co)-free magnetic compounds with a ThMn12-type structure, namely, (Sm0.9Zr0.1)(Fe0.8Co0.2)11.3Ti0.7, (Nd0.8Zr0.2)(Fe0.9Co0.1)11.3Ti0.7N1.5, and Nd(Fe0.8Co0.2)11MoN1.3, were examined via magnetic force microscopy. Using the observed domain widths (d) and particle sizes (D) in conjunction with classical equations, the domain wall energy (γ), critical single-domain particle size (Rc), exchange stiffness (Aex), and exchange integral (Jij) of the compounds were calculated. |
| doi_str_mv | 10.1016/j.jmmm.2020.167244 |
| format | Article |
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The domain structures of standard Sm2Fe17N3 particles and three almost α-(Fe,Co)-free magnetic compounds with a ThMn12-type structure, namely, (Sm0.9Zr0.1)(Fe0.8Co0.2)11.3Ti0.7, (Nd0.8Zr0.2)(Fe0.9Co0.1)11.3Ti0.7N1.5, and Nd(Fe0.8Co0.2)11MoN1.3, were examined via magnetic force microscopy. Using the observed domain widths (d) and particle sizes (D) in conjunction with classical equations, the domain wall energy (γ), critical single-domain particle size (Rc), exchange stiffness (Aex), and exchange integral (Jij) of the compounds were calculated.</description><identifier>ISSN: 0304-8853</identifier><identifier>EISSN: 1873-4766</identifier><identifier>DOI: 10.1016/j.jmmm.2020.167244</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Critical single-domain particle size ; Domain structure ; Domain wall energy ; Domain walls ; Exchange integral ; Exchange stiffness ; Exchanging ; Magnetic fields ; Particle size ; Stiffness ; ThMn12-type magnets</subject><ispartof>Journal of magnetism and magnetic materials, 2020-11, Vol.513, p.167244, Article 167244</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright Elsevier BV Nov 1, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c394t-7fb2c48ff60956e8a59b9d4d6e3cf05b2337c0d81aed63cfab3406a3ede7b1383</citedby><cites>FETCH-LOGICAL-c394t-7fb2c48ff60956e8a59b9d4d6e3cf05b2337c0d81aed63cfab3406a3ede7b1383</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304885320311732$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Kobayashi, K.</creatorcontrib><creatorcontrib>Urushibata, K.</creatorcontrib><creatorcontrib>Kuno, T.</creatorcontrib><creatorcontrib>Suzuki, S.</creatorcontrib><creatorcontrib>Sakuma, N.</creatorcontrib><creatorcontrib>Shoji, T.</creatorcontrib><creatorcontrib>Kato, A.</creatorcontrib><title>Determination of domain wall energy and critical single-domain particle size based on domain structure observations of ThMn12-type magnetic particles</title><title>Journal of magnetism and magnetic materials</title><description>•Domain width and grain size of selected ThMn12 structure compounds were measured.•Well characterized Sm2Fe17N3 particles were used as standard for measurements.•Domain wall energy (γ) and single-domain grain critical size (Rc) were calculated.•Classical equations for domain structure analyses were used for the calculations.•The determined γ, Rc, exchange stiffness A, exchange integral Jij were listed.
The domain structures of standard Sm2Fe17N3 particles and three almost α-(Fe,Co)-free magnetic compounds with a ThMn12-type structure, namely, (Sm0.9Zr0.1)(Fe0.8Co0.2)11.3Ti0.7, (Nd0.8Zr0.2)(Fe0.9Co0.1)11.3Ti0.7N1.5, and Nd(Fe0.8Co0.2)11MoN1.3, were examined via magnetic force microscopy. Using the observed domain widths (d) and particle sizes (D) in conjunction with classical equations, the domain wall energy (γ), critical single-domain particle size (Rc), exchange stiffness (Aex), and exchange integral (Jij) of the compounds were calculated.</description><subject>Critical single-domain particle size</subject><subject>Domain structure</subject><subject>Domain wall energy</subject><subject>Domain walls</subject><subject>Exchange integral</subject><subject>Exchange stiffness</subject><subject>Exchanging</subject><subject>Magnetic fields</subject><subject>Particle size</subject><subject>Stiffness</subject><subject>ThMn12-type magnets</subject><issn>0304-8853</issn><issn>1873-4766</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LwzAYx4MoOKdfwFPAc2fSZGkLXmS-wsTLPIc0eTpT2nQm2WR-D7-vmRsePQX--b88_BC6pGRCCRXX7aTt-36SkzwJosg5P0IjWhYs44UQx2hEGOFZWU7ZKToLoSWEUF6KEfq-gwi-t05FOzg8NNgMvbIOf6quw-DAL7dYOYO1t9Fq1eFg3bKD7GBbKZ_kDpL8BbhWAQxOPYffEP1ax7UHPNQB_OZ3JOxWFu8vjuZZ3K4A92rpILX8lYVzdNKoLsDF4R2jt4f7xewpm78-Ps9u55lmFY9Z0dS55mXTCFJNBZRqWtWV4UYA0w2Z1jljhSampAqMSJKqGSdCMTBQ1JSVbIyu9r0rP3ysIUTZDmvv0qRMCKtEqBJVcuV7l_ZDCB4aufK2V34rKZE7_LKVO_xyh1_u8afQzT4E6f6NBS-DtuA0GOtBR2kG-1_8Bzhqkf8</recordid><startdate>20201101</startdate><enddate>20201101</enddate><creator>Kobayashi, K.</creator><creator>Urushibata, K.</creator><creator>Kuno, T.</creator><creator>Suzuki, S.</creator><creator>Sakuma, N.</creator><creator>Shoji, T.</creator><creator>Kato, A.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20201101</creationdate><title>Determination of domain wall energy and critical single-domain particle size based on domain structure observations of ThMn12-type magnetic particles</title><author>Kobayashi, K. ; Urushibata, K. ; Kuno, T. ; Suzuki, S. ; Sakuma, N. ; Shoji, T. ; Kato, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c394t-7fb2c48ff60956e8a59b9d4d6e3cf05b2337c0d81aed63cfab3406a3ede7b1383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Critical single-domain particle size</topic><topic>Domain structure</topic><topic>Domain wall energy</topic><topic>Domain walls</topic><topic>Exchange integral</topic><topic>Exchange stiffness</topic><topic>Exchanging</topic><topic>Magnetic fields</topic><topic>Particle size</topic><topic>Stiffness</topic><topic>ThMn12-type magnets</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kobayashi, K.</creatorcontrib><creatorcontrib>Urushibata, K.</creatorcontrib><creatorcontrib>Kuno, T.</creatorcontrib><creatorcontrib>Suzuki, S.</creatorcontrib><creatorcontrib>Sakuma, N.</creatorcontrib><creatorcontrib>Shoji, T.</creatorcontrib><creatorcontrib>Kato, A.</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>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of magnetism and magnetic materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kobayashi, K.</au><au>Urushibata, K.</au><au>Kuno, T.</au><au>Suzuki, S.</au><au>Sakuma, N.</au><au>Shoji, T.</au><au>Kato, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Determination of domain wall energy and critical single-domain particle size based on domain structure observations of ThMn12-type magnetic particles</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2020-11-01</date><risdate>2020</risdate><volume>513</volume><spage>167244</spage><pages>167244-</pages><artnum>167244</artnum><issn>0304-8853</issn><eissn>1873-4766</eissn><abstract>•Domain width and grain size of selected ThMn12 structure compounds were measured.•Well characterized Sm2Fe17N3 particles were used as standard for measurements.•Domain wall energy (γ) and single-domain grain critical size (Rc) were calculated.•Classical equations for domain structure analyses were used for the calculations.•The determined γ, Rc, exchange stiffness A, exchange integral Jij were listed.
The domain structures of standard Sm2Fe17N3 particles and three almost α-(Fe,Co)-free magnetic compounds with a ThMn12-type structure, namely, (Sm0.9Zr0.1)(Fe0.8Co0.2)11.3Ti0.7, (Nd0.8Zr0.2)(Fe0.9Co0.1)11.3Ti0.7N1.5, and Nd(Fe0.8Co0.2)11MoN1.3, were examined via magnetic force microscopy. Using the observed domain widths (d) and particle sizes (D) in conjunction with classical equations, the domain wall energy (γ), critical single-domain particle size (Rc), exchange stiffness (Aex), and exchange integral (Jij) of the compounds were calculated.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jmmm.2020.167244</doi></addata></record> |
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| subjects | Critical single-domain particle size Domain structure Domain wall energy Domain walls Exchange integral Exchange stiffness Exchanging Magnetic fields Particle size Stiffness ThMn12-type magnets |
| title | Determination of domain wall energy and critical single-domain particle size based on domain structure observations of ThMn12-type magnetic particles |
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