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Magnetic properties of epitaxial and polycrystalline Fe/Si multilayers : The 40th annual conference on magnetism and magnetic materials (1996)

Chaiken, A. ; Michel, R. P. ; Wang, C. T.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 79 (1996), S. 4772-4774

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: Fe/Si multilayers with antiferromagnetic interlayer coupling have been grown via ion-beam sputtering on both glass and single-crystal substrates. High-angle x-ray diffraction measurements show that both sets of films have narrow Fe peaks, implying a large crystallite size and crystalline iron silicide spacer layers. Low-angle x-ray diffraction measurements show that films grown on glass have rougher interfaces than those grown on single-crystal substrates. The multilayers grown on glass have a larger remanent magnetization than the multilayers grown on single-crystal substrates. The observation of magnetocrystalline anisotropy in hysteresis loops and (hkl) peaks in x-ray diffraction demonstrates that the films grown on MgO and Ge are epitaxial. The smaller remanent magnetization in Fe/Si multilayers with better layering suggests that the remanence is not an intrinsic property. © 1996 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.361926

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Aseptic culture of gynophores to obtain peanut intersectional hybrids (1995)

Shen, F. Y. ; Wang, C. T. ; Duan, S. F.

Springer

Euphytica 81 (1995), S. 245-249

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ISSN: 1573-5060

Keywords: peanut ; gynophore culture ; intersectional hybrid ; Arachis hypogaea

Source: Springer Online Journal Archives 1860-2000

Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition

Notes: Summary Cross-incompatibility between cultivated peanuts and their wild relatives outside the section Arachis has impeded the utilization of many species possessing high resistances or good qualities. Despite the great efforts made to culture immature ovules or embryos, few hybrid offspring have been obtained. In this study, gynophores from Arachis hypogaea L. pollinated with A. glabrata Benth. were cultured and F1 hybrids seeds were harvested, and F2 and F3 generations produced. The characters of F2 generation exhibited a wide range of segregation. Leaf peroxidase isozyme PAGE analysis revealed that the hybrids were quite different from their parents in relation to band number, width and isozyme activity. The zymograms of the hybrids and their parents were partially alike. This verified the authenticity of the hybrids.