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Amorphous Fe Clusters Imbedded in fcc La for Melt-Quenched La-Fe Alloys

Year: 1997

Type: article

Abstract: Fluorecence XAFS measurements of the Fe K-edge are done for melt-quenched La-rich La-Fe alloys. XAFS results of the as-quenched samples of La92Fe8 and La88Fe12 show characteristic features of disordered structure. The results for La88Fe12 after annealed at 400°C for 30 min. show that Fe are precipitated to α-Fe in β-La. A strange phenomenon of finding the amorphous clusters in the crystalline phase can be attributed to the immiscible nature and large atomic size difference between Fe and La.

Source: Journal de Physique IV (Proceedings)

DOI: 10.1051/jp4:19972122

Authors: M. Matsuura, M. Sakurai, K. Suzuki, H. Adachi, H. Ino

Institutions: Tohoku University, Institute for Materials Research, Tohoku University, The University of Tokyo

Language: French

Topic: X-ray Spectroscopy and Fluorescence Analysis

Subfield: Radiation

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W1999040983

FWCI:

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