期刊
PHYSICS AND CHEMISTRY OF MINERALS
卷 34, 期 2, 页码 113-120出版社
SPRINGER
DOI: 10.1007/s00269-006-0132-8
关键词
iron sulphide; XMCD; pyrrhotite
Pyrrhotite (Fe7S8) is a natural iron sulphide that can participate in rock magnetisation. Its electronic structure is not yet surely described. X-ray magnetic circular dichroism (XMCD) at Fe L-2,L-3 edges on Fe7S8, coupled with multiplet calculations, shows that iron is present only as Fe2+ in this magnetic iron sulphide. It reveals a strong magnetic orbital moment. XMCD at Fe and S K edges shows the quite strong polarization of both Fe and S in Fe7S8.
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