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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Hannemann, U. Melcher, S. Neu, V. Fahler, S. Holzapfel, B. Schultz, L. |
| Copyright Year | 1965 |
| Abstract | The coercivity mechanism of highly textured highly coercive Nd-Fe-B films has been investigated in relation to their microstructures. With increasing deposition temperature, the microstructure of the films changes from a rounded to rectangular grain shape with no significant change in the grain size. At the same time, the degree of c-axis orientation improves. Scanning electron microscopy reveals a low wetting capability of Nd and Nd/sub 2/Fe/sub 14/B on the Ta buffer layer, which could explain the large roughness of the films. A coercivity analysis has been performed to correlate the microstructural features with the magnetic behavior. From this analysis, it can be concluded that the improved texture at higher temperatures leads to an overall improvement of the coercivity, although the sharp edges of the resulting rectangular grains reduce this effect. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 2726 |
| Ending Page | 2728 |
| Page Count | 3 |
| File Size | 261660 |
| 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 | Microstructure Coercive force Temperature Neodymium Magnetic analysis Shape Grain size Scanning electron microscopy Iron Buffer layers |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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