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Experimental exploration of the origin of magnetostriction in single crystalline iron

TitleExperimental exploration of the origin of magnetostriction in single crystalline iron
Publication TypeJournal Article
Year of Publication2010
AuthorsXing Q, Lograsso TA, Ruffoni MP, Azimonte C, Pascarelli S, Miller DJ
Journal TitleApplied Physics Letters
Volume97
Pages072508
Date Published8/16
ISBN Number0003-6951
Accession NumberISI:000281153600054
Keywordsabsorption-spectroscopy, crystal field interactions, EXTRINSIC MAGNETOSTRICTION, fe-ga alloys, iron, magnetostriction, SIMILAR MAGNETIC-ALLOYS, spin-orbit interactions, STRUCTURALLY HETEROGENEOUS MODEL, x-ray absorption spectra
Abstract

The magnetostrictive atomic strain in a pure Fe single crystal was measured by differential x-ray absorption spectroscopy. The obtained tetragonal magnetostriction constant, (3/2)lambda(100), was determined to be 45 ppm, consistent with the previously reported theoretical value calculated from a spin-orbit coupling theory. These results provide a foundation for understanding the origin of magnetostriction in pure Fe as well as Fe-based binary alloys. (C) 2010 American Institute of Physics. [doi:10.1063/1.3481083]
URL<Go to ISI>://000281153600054
DOI10.1063/1.3481083