Amorphous Magnetic Films

作者: C. W. B. GRIGSON , D. B. DOVE , G. R. STILWELL

DOI: 10.1038/204173A0

关键词: Condensed matter physicsAmorphous carbonLattice constantCarbon filmOpacityAmorphous metal transformerMaterials scienceDiffractionAmorphous solidDeposition (law)

摘要: IRON has been vapour-deposited on to amorphous carbon substrates at room temperature and examined, while it was being deposited, by direct-recording electron diffraction1. Fig. 1 shows electron-intensity profiles along a radius vector of the Debye-Scherrer pattern. Successive traces recur every 50 sec film thickness increments about 20 A. In 1a correspond an structure; however, as grows sharp peaks appear, beginning in final trace, These grow rapidly, initially expense diffuse ones; compare first fourth 1b. The are those normal b.c.c. iron, with measured lattice spacing 2.87 If deposition is continued beyond stage represented trace 4, 1b, there little further change shape diffraction but their intensities diminish becomes more opaque.

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