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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Huang, M.-Q. Turgut, Z. Smith, B.R. Chen, Z.M. Ma, B.-M. Chu, S.Y. Horwath, J.C. Fingers, R.T. |
| Copyright Year | 1965 |
| Abstract | 3d-rich alloys and their melt-spun materials with nominal compositions of Sm(Co/sub bal/Fe/sub x/Zr/sub 0.05/Cu/sub 0.08/Ga/sub y/B/sub z/)/sub 12/ (x=0.1-0.41, y=0-0.01, z=0.01-0.02) were synthesized and characterized in the temperature range of 10-1473 K and at fields up to 5 T. The main phase of the as-cast alloys was formed in a Th/sub 2/Ni/sub 17/ type structure, exhibiting a strong uniaxial anisotropy. As a result, encouraging hard magnetic properties with T/sub c/=995-1086 K, H/sub a/=40-115 kOe, M/sub s/=10-12.8 kG at 300 K, and H/sub a/=60-180 kOe, M/sub s/=10.4-13.6 kG at 10 K were observed in the as-cast alloys. The melt-spun materials are nano-structured in nature and magnetically hard, even in the as-spun state. The following hard magnetic properties were observed: H/sub ci/=7-10 kOe, 4/spl pi/M/sub s/=9.4-11.7 kG, at 300 K, and H/sub ci/=17-27 kOe, 4/spl pi/M/sub s/=9.6-12.1 kG, at 10 K. The highest (BH)/sub max//spl sim/9.8 MGOe at 300 K was obtained from the Sm(Co/sub bal/Fe/sub 0.31/Zr/sub 0.05/Cu/sub 0.08/B/sub 0.02/)/sub 12/ ribbon material. A Henkel plot analysis indicates the existence of a strong exchange-coupling interaction between the magnetically hard and soft phases in these ribbon materials. The effects of adding Ga, B, and Fe on the magnetic properties will be discussed. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 2902 |
| Ending Page | 2904 |
| Page Count | 3 |
| File Size | 449330 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 39 |
| Issue Number | 5 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-09-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Magnetic properties Magnetic materials Soft magnetic materials Copper alloys Gallium alloys Iron alloys Nickel alloys Zirconium Magnetic anisotropy Perpendicular magnetic anisotropy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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