TEM studies in melt-spun Cu-Mn-Al system exhibiting giant magnetoresistance
Giant magnetoresistance (GMR) has recently been observed in a new system, melt-spun ribbons of Cu-Mn-Al, with /spl Delta/R/R(0)=15% at 30 K. The GMR behavior in this system has been extensively studied for a range of compositions. It is suggested that the onset of GMR may be attributed to the appear...
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| Veröffentlicht in: | IEEE Transactions on Magnetics 1995-11, Vol.31 (6), p.3958-3960 |
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| container_issue | 6 |
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| container_title | IEEE Transactions on Magnetics |
| container_volume | 31 |
| creator | Murthy, A.S. Li Yiping Hadjipanayis, G.C. Lawless, K.R. |
| description | Giant magnetoresistance (GMR) has recently been observed in a new system, melt-spun ribbons of Cu-Mn-Al, with /spl Delta/R/R(0)=15% at 30 K. The GMR behavior in this system has been extensively studied for a range of compositions. It is suggested that the onset of GMR may be attributed to the appearance of tweed microstructure in the ferromagnetic Cu/sub 2/MnAl phase. It has also been observed that GMR existed in all samples consisting of a mixture of varying amounts of Cu/sub 2/MnAl and Cu/sub 9/Al/sub 4/ phases. Extensive transmission electron microscopy studies have been carried out to evaluate the microstructural evolution of the tweed and the observed phases, and to correlate the microstructure with the observed GMR behavior. |
| doi_str_mv | 10.1109/20.489829 |
| format | Article |
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The GMR behavior in this system has been extensively studied for a range of compositions. It is suggested that the onset of GMR may be attributed to the appearance of tweed microstructure in the ferromagnetic Cu/sub 2/MnAl phase. It has also been observed that GMR existed in all samples consisting of a mixture of varying amounts of Cu/sub 2/MnAl and Cu/sub 9/Al/sub 4/ phases. Extensive transmission electron microscopy studies have been carried out to evaluate the microstructural evolution of the tweed and the observed phases, and to correlate the microstructure with the observed GMR behavior.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/20.489829</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>United States: IEEE</publisher><subject>ALUMINIUM ALLOYS ; Aluminum alloys ; CHEMICAL COMPOSITION ; Chromium alloys ; COPPER ALLOYS ; EXPERIMENTAL DATA ; Extraterrestrial measurements ; Giant magnetoresistance ; Iron alloys ; Magnetic multilayers ; MAGNETORESISTANCE ; MANGANESE ALLOYS ; MATERIALS SCIENCE ; MICROSTRUCTURE ; SQUID magnetometers ; Transmission electron microscopy ; X-ray diffraction</subject><ispartof>IEEE Transactions on Magnetics, 1995-11, Vol.31 (6), p.3958-3960</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-2e9bf3c66af29e9567540f6f046527818ca7f44ace00ffc4511ef81ecdde115e3</citedby><cites>FETCH-LOGICAL-c334t-2e9bf3c66af29e9567540f6f046527818ca7f44ace00ffc4511ef81ecdde115e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/489829$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,885,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/489829$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttps://www.osti.gov/biblio/186969$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Murthy, A.S.</creatorcontrib><creatorcontrib>Li Yiping</creatorcontrib><creatorcontrib>Hadjipanayis, G.C.</creatorcontrib><creatorcontrib>Lawless, K.R.</creatorcontrib><title>TEM studies in melt-spun Cu-Mn-Al system exhibiting giant magnetoresistance</title><title>IEEE Transactions on Magnetics</title><addtitle>TMAG</addtitle><description>Giant magnetoresistance (GMR) has recently been observed in a new system, melt-spun ribbons of Cu-Mn-Al, with /spl Delta/R/R(0)=15% at 30 K. The GMR behavior in this system has been extensively studied for a range of compositions. It is suggested that the onset of GMR may be attributed to the appearance of tweed microstructure in the ferromagnetic Cu/sub 2/MnAl phase. It has also been observed that GMR existed in all samples consisting of a mixture of varying amounts of Cu/sub 2/MnAl and Cu/sub 9/Al/sub 4/ phases. Extensive transmission electron microscopy studies have been carried out to evaluate the microstructural evolution of the tweed and the observed phases, and to correlate the microstructure with the observed GMR behavior.</description><subject>ALUMINIUM ALLOYS</subject><subject>Aluminum alloys</subject><subject>CHEMICAL COMPOSITION</subject><subject>Chromium alloys</subject><subject>COPPER ALLOYS</subject><subject>EXPERIMENTAL DATA</subject><subject>Extraterrestrial measurements</subject><subject>Giant magnetoresistance</subject><subject>Iron alloys</subject><subject>Magnetic multilayers</subject><subject>MAGNETORESISTANCE</subject><subject>MANGANESE ALLOYS</subject><subject>MATERIALS SCIENCE</subject><subject>MICROSTRUCTURE</subject><subject>SQUID magnetometers</subject><subject>Transmission electron microscopy</subject><subject>X-ray diffraction</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNqN0D1PwzAQBmALgUQpDKxMZkFiSLETx7VHVJUP0YqlzJbrnlujxCk5R6L_nqBUzEyn0z16dXoJueZswjnTDzmbCKVVrk_IiGvBM8akPiUjxrjKtJDinFwgfvarKDkbkbfVfEkxdZsASEOkNVQpw30X6azLljF7rCgeMEFN4XsX1iGFuKXbYGOitd1GSE0LGDDZ6OCSnHlbIVwd55h8PM1Xs5ds8f78OntcZK4oRMpy0GtfOCmtzzXoUk5Lwbz0TMgynyqunJ16IawDxrx3_Z8cvOLgNhvgvIRiTG6H3AZTMOhCArdzTYzgkuFKaql7czeYfdt8dYDJ1AEdVJWN0HRocqWk6Av7B5SqnDLZw_sBurZBbMGbfRtq2x4MZ-a3e5MzM3Tf25vBBgD4c8fjD2oPfgw</recordid><startdate>19951101</startdate><enddate>19951101</enddate><creator>Murthy, A.S.</creator><creator>Li Yiping</creator><creator>Hadjipanayis, G.C.</creator><creator>Lawless, K.R.</creator><general>IEEE</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><scope>8BQ</scope><scope>JG9</scope><scope>OTOTI</scope></search><sort><creationdate>19951101</creationdate><title>TEM studies in melt-spun Cu-Mn-Al system exhibiting giant magnetoresistance</title><author>Murthy, A.S. ; Li Yiping ; Hadjipanayis, G.C. ; Lawless, K.R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-2e9bf3c66af29e9567540f6f046527818ca7f44ace00ffc4511ef81ecdde115e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>ALUMINIUM ALLOYS</topic><topic>Aluminum alloys</topic><topic>CHEMICAL COMPOSITION</topic><topic>Chromium alloys</topic><topic>COPPER ALLOYS</topic><topic>EXPERIMENTAL DATA</topic><topic>Extraterrestrial measurements</topic><topic>Giant magnetoresistance</topic><topic>Iron alloys</topic><topic>Magnetic multilayers</topic><topic>MAGNETORESISTANCE</topic><topic>MANGANESE ALLOYS</topic><topic>MATERIALS SCIENCE</topic><topic>MICROSTRUCTURE</topic><topic>SQUID magnetometers</topic><topic>Transmission electron microscopy</topic><topic>X-ray diffraction</topic><toplevel>online_resources</toplevel><creatorcontrib>Murthy, A.S.</creatorcontrib><creatorcontrib>Li Yiping</creatorcontrib><creatorcontrib>Hadjipanayis, G.C.</creatorcontrib><creatorcontrib>Lawless, K.R.</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>METADEX</collection><collection>Materials Research Database</collection><collection>OSTI.GOV</collection><jtitle>IEEE Transactions on Magnetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Murthy, A.S.</au><au>Li Yiping</au><au>Hadjipanayis, G.C.</au><au>Lawless, K.R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>TEM studies in melt-spun Cu-Mn-Al system exhibiting giant magnetoresistance</atitle><jtitle>IEEE Transactions on Magnetics</jtitle><stitle>TMAG</stitle><date>1995-11-01</date><risdate>1995</risdate><volume>31</volume><issue>6</issue><spage>3958</spage><epage>3960</epage><pages>3958-3960</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>Giant magnetoresistance (GMR) has recently been observed in a new system, melt-spun ribbons of Cu-Mn-Al, with /spl Delta/R/R(0)=15% at 30 K. The GMR behavior in this system has been extensively studied for a range of compositions. It is suggested that the onset of GMR may be attributed to the appearance of tweed microstructure in the ferromagnetic Cu/sub 2/MnAl phase. It has also been observed that GMR existed in all samples consisting of a mixture of varying amounts of Cu/sub 2/MnAl and Cu/sub 9/Al/sub 4/ phases. Extensive transmission electron microscopy studies have been carried out to evaluate the microstructural evolution of the tweed and the observed phases, and to correlate the microstructure with the observed GMR behavior.</abstract><cop>United States</cop><pub>IEEE</pub><doi>10.1109/20.489829</doi><tpages>3</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | ALUMINIUM ALLOYS Aluminum alloys CHEMICAL COMPOSITION Chromium alloys COPPER ALLOYS EXPERIMENTAL DATA Extraterrestrial measurements Giant magnetoresistance Iron alloys Magnetic multilayers MAGNETORESISTANCE MANGANESE ALLOYS MATERIALS SCIENCE MICROSTRUCTURE SQUID magnetometers Transmission electron microscopy X-ray diffraction |
| title | TEM studies in melt-spun Cu-Mn-Al system exhibiting giant magnetoresistance |
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