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Spindigtheidsgolfgedrag van Cr-Si en Cr-Ga allooi-enkelkristalle

D.Phil. / Spin-density-wave (SDW) effects were studied in diluted Cr-Si and Cr-Ga alloy single cristals. Ga and Si impurities in Cr are respectively from groups 3 and 4 non-magnetic non-transitional elements from the periodic table. Both influence the magnetic behaviour of Cr in a special way. The alloying of Cr with Si and Ga impurities influences the magnetic phase transition temparatures, namely the NĂ©el temparature (Tn) and the transition temparature (T1c) for the incommensurate to commensurate (C) SDW transition, in a very complex way. The magnetic phase diagrams of both Cr-Si and Cr-Ga show a triple phase where the paramegnetic (P), CSDW and ISDW phases co-exist.

Identiferoai:union.ndltd.org:netd.ac.za/oai:union.ndltd.org:uj/uj:10408
Date18 October 2012
CreatorsPrinsloo, Aletta Roletta Elizabeth
Source SetsSouth African National ETD Portal
Detected LanguageEnglish
TypeThesis

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