Stoner vs. spin-mixing behavior in the bulk magnetism of Gd: A spin-resolved photoemission study

被引：0
|
作者：
K Maiti
M C Malagoli
A Dallmeyer
C Carbone
机构：
[1] Tata Institute of Fundamental Research,Institut für Festkörperforschung
[2] Forschungszentrum Jülich,Consiglio Nazionale delle Ricerche
[3] Istituto di Struttura della Materia,undefined
来源：
Pramana | 2002年 / 58卷
关键词：
Spin-resolved photoemission; Stoner model; spin-mixing model; rare-earth magnetism; 75.70.Ak; 75.25.+z; 79.60.Bm;
D O I：
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学科分类号：
摘要：
The temperature dependence of the rare-earth Δ2-bulk band has been regarded as an exemplary case which realizes the simple Stoner behavior. We examined the evolution of GdΔ2 bulk bands with temperature in the range 0.5≤T/TC≤1 with spin-resolved, photoemission spectroscopy. The direct observation of the spin-dependent spectral line shapes reveals a complex temperature dependence and manifests a clear inadequacy of the Stoner model to the description of the magnetism in rare earths.
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页码：725 / 730
页数：5
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