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AbstractAbstract
[en] Scattering of neutrons (lambda = 0.7 A) from molten iron was carried out at 16000C (Tsub(melt) = 15360C; Tsub(Curie) = 7700C) within the region of q = 0.2-2.0 A-1. A pronounced small-angle scattering effect was observed for q<= 1.2 A-1, which is explained by magnetic scattering from spin fluctuations. A correlation length xi = 2.7 A was obtained. The plot of log xi versus log [(T-Tsub(Curie))/Tsub(Curie)] together with the xi values obtained from solid iron shows that all measured xi values can be described by the law xi = 2.15[(T-Tsub(Curie))/Tsub(Curie)]sup(-0.5). Molten cobalt at 15500C (Tsub(melt) = 14930C; Tsub(Curie) = 11270C) yields a correlation length of 6.3 A. Finally the results from a corresponding experiment on molten nickel at 15000C (Tsub(melt) = 14540C; Tsub(Curie) = 3580C) are presented. However, the observed scattering effect is very small compared with that from the two other elements. (Auth.)
Source
4. international conference on small-angle scattering of X-rays and neutrons; Gatlinburg, TN, USA; 3 - 7 Oct 1977
Record Type
Journal Article
Literature Type
Conference
Journal
Journal of Applied Crystallography; ISSN 0021-8898;
; v. 11(5); p. 638-641

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