SEMPA imaging of domain dynamics in amorphous metals
We show how scanning electron microscopy with polarization analysis (SEMPA) may be used to observe domain wall motion in amorphous ferromagnetic ribbons commonly used in transformer cores. SEMPA images were obtained from both the smooth, air side of the ribbon, as well as the rough, difficult to ima...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2000, Vol.213 (1), p.95-100 |
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| container_title | Journal of magnetism and magnetic materials |
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| creator | Gavrin, A Unguris, J |
| description | We show how scanning electron microscopy with polarization analysis (SEMPA) may be used to observe domain wall motion in amorphous ferromagnetic ribbons commonly used in transformer cores. SEMPA images were obtained from both the smooth, air side of the ribbon, as well as the rough, difficult to image, wheel side. Domain wall motion was studied under both quasi-static and low-frequency fields (4
Hz). The domain walls are observed to have a wide range of mobilities and are occasionally pinned by surface defects even in well-annealed samples. Irreproducible domain wall motion was also observed, but was not always obviously related to defects. This has significant implications for future attempts to use stroboscopic measurements in the study of wall mobility at higher frequencies. |
| doi_str_mv | 10.1016/S0304-8853(99)00565-X |
| format | Article |
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Hz). The domain walls are observed to have a wide range of mobilities and are occasionally pinned by surface defects even in well-annealed samples. Irreproducible domain wall motion was also observed, but was not always obviously related to defects. This has significant implications for future attempts to use stroboscopic measurements in the study of wall mobility at higher frequencies.</description><identifier>ISSN: 0304-8853</identifier><identifier>DOI: 10.1016/S0304-8853(99)00565-X</identifier><identifier>CODEN: JMMMDC</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Amorphous and nanocrystalline magnetic materials; quasicrystals ; Amorphous and quasicrystalline magnetic materials ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Domain effects, magnetization curves, and hysteresis ; Domain structure ; Domain wall motion ; Domain walls and domain structure ; Exact sciences and technology ; Magnetic instruments and techniques ; Magnetic properties and materials ; METGLAS ; Physics ; SEMPA ; Studies of specific magnetic materials</subject><ispartof>Journal of magnetism and magnetic materials, 2000, Vol.213 (1), p.95-100</ispartof><rights>2000</rights><rights>2000 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c367t-b095220f1b392cf3cd721f7dd7a64b2b270460e9c5a3038013e16f080d0ac76c3</citedby><cites>FETCH-LOGICAL-c367t-b095220f1b392cf3cd721f7dd7a64b2b270460e9c5a3038013e16f080d0ac76c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0304-8853(99)00565-X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,4025,27927,27928,27929,45999</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1319409$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Gavrin, A</creatorcontrib><creatorcontrib>Unguris, J</creatorcontrib><title>SEMPA imaging of domain dynamics in amorphous metals</title><title>Journal of magnetism and magnetic materials</title><description>We show how scanning electron microscopy with polarization analysis (SEMPA) may be used to observe domain wall motion in amorphous ferromagnetic ribbons commonly used in transformer cores. SEMPA images were obtained from both the smooth, air side of the ribbon, as well as the rough, difficult to image, wheel side. Domain wall motion was studied under both quasi-static and low-frequency fields (4
Hz). The domain walls are observed to have a wide range of mobilities and are occasionally pinned by surface defects even in well-annealed samples. Irreproducible domain wall motion was also observed, but was not always obviously related to defects. This has significant implications for future attempts to use stroboscopic measurements in the study of wall mobility at higher frequencies.</description><subject>Amorphous and nanocrystalline magnetic materials; quasicrystals</subject><subject>Amorphous and quasicrystalline magnetic materials</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Domain effects, magnetization curves, and hysteresis</subject><subject>Domain structure</subject><subject>Domain wall motion</subject><subject>Domain walls and domain structure</subject><subject>Exact sciences and technology</subject><subject>Magnetic instruments and techniques</subject><subject>Magnetic properties and materials</subject><subject>METGLAS</subject><subject>Physics</subject><subject>SEMPA</subject><subject>Studies of specific magnetic materials</subject><issn>0304-8853</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqFUE1LAzEUzEHBWv0Jwh5E9LD6stnNbk5SSv2AikIVegvZfNTI7qYm20L_vekHevQ0j8fMmzeD0AWGWwyY3s2AQJ5WVUGuGbsBKGiRzo_Q4Hd9gk5D-AIAnFd0gPLZ5OVtlNhWLGy3SJxJlGuF7RK16URrZUjiLFrnl59uFZJW96IJZ-jYRNDnBxyij4fJ-_gpnb4-Po9H01QSWvZpDazIMjC4JiyThkhVZtiUSpWC5nVWZyXkFDSThSBAKsBEY2qgAgVCllSSIbra3116973SoeetDVI3jeh0_IZnJWU5ZjQSiz1ReheC14YvfYzkNxwD3_bCd73wbQGcMb7rhc-j7vJgIIIUjfGikzb8iQlmObBIu9_TdAy7ttrzIK3upFbWa9lz5ew_Rj88_HeY</recordid><startdate>2000</startdate><enddate>2000</enddate><creator>Gavrin, A</creator><creator>Unguris, J</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>2000</creationdate><title>SEMPA imaging of domain dynamics in amorphous metals</title><author>Gavrin, A ; Unguris, J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-b095220f1b392cf3cd721f7dd7a64b2b270460e9c5a3038013e16f080d0ac76c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Amorphous and nanocrystalline magnetic materials; quasicrystals</topic><topic>Amorphous and quasicrystalline magnetic materials</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Domain effects, magnetization curves, and hysteresis</topic><topic>Domain structure</topic><topic>Domain wall motion</topic><topic>Domain walls and domain structure</topic><topic>Exact sciences and technology</topic><topic>Magnetic instruments and techniques</topic><topic>Magnetic properties and materials</topic><topic>METGLAS</topic><topic>Physics</topic><topic>SEMPA</topic><topic>Studies of specific magnetic materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gavrin, A</creatorcontrib><creatorcontrib>Unguris, J</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology 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>Gavrin, A</au><au>Unguris, J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>SEMPA imaging of domain dynamics in amorphous metals</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2000</date><risdate>2000</risdate><volume>213</volume><issue>1</issue><spage>95</spage><epage>100</epage><pages>95-100</pages><issn>0304-8853</issn><coden>JMMMDC</coden><abstract>We show how scanning electron microscopy with polarization analysis (SEMPA) may be used to observe domain wall motion in amorphous ferromagnetic ribbons commonly used in transformer cores. SEMPA images were obtained from both the smooth, air side of the ribbon, as well as the rough, difficult to image, wheel side. Domain wall motion was studied under both quasi-static and low-frequency fields (4
Hz). The domain walls are observed to have a wide range of mobilities and are occasionally pinned by surface defects even in well-annealed samples. Irreproducible domain wall motion was also observed, but was not always obviously related to defects. This has significant implications for future attempts to use stroboscopic measurements in the study of wall mobility at higher frequencies.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/S0304-8853(99)00565-X</doi><tpages>6</tpages></addata></record> |
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| subjects | Amorphous and nanocrystalline magnetic materials quasicrystals Amorphous and quasicrystalline magnetic materials Condensed matter: electronic structure, electrical, magnetic, and optical properties Domain effects, magnetization curves, and hysteresis Domain structure Domain wall motion Domain walls and domain structure Exact sciences and technology Magnetic instruments and techniques Magnetic properties and materials METGLAS Physics SEMPA Studies of specific magnetic materials |
| title | SEMPA imaging of domain dynamics in amorphous metals |
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