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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Cameron, G.P. Judy, J.H. |
| Copyright Year | 1965 |
| Abstract | SEMPA (scanning electron microscopy with polarization analysis) is compared to well-known methods of magnetic imaging, Bitter colloid, longitudinal magnetooptical Kerr effect (MOKE), and Lorentz transmission electron microscopy (LTEM), with no extraordinary image processing. Resolution is established by direct micrograph measurement of the smallest structure available. The images have been acquired using a thin-film (35-nm) Permalloy chevron-shaped object. Bitter images gave their usual delineation of domain walls. Longitudinal MOKE images produce results similar to Bitter images; however, diffraction patterns near the chevron's boundary blurred the magnetic information. The LTEM micrographs provided by far the most qualitative data about the magnetization of the chevron; magnetization ripple structure was apparent. SEMPA images are produced with the highest magnification, 5000*, and the present generation of instrumentation did provide quantitative information about surface magnetization. However, the angle of magnetization in the plane of the film suffers from instrumental and electronic asymmetries. The magnitude of magnetization information appears to be consistent, even though it is uncalibrated.< |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 3063 |
| Ending Page | 3065 |
| Page Count | 3 |
| File Size | 396243 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 24 |
| Issue Number | 6 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1988-11-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Magnetization Magnetic force microscopy Scanning electron microscopy Transmission electron microscopy Magnetic domains Magnetic domain walls Instruments Polarization Image analysis Magnetic analysis |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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