3 years ago

# Iron single crystal growth from a lithium-rich melt.

M. Fix, A. Leineweber, A. Jesche, S. G. Jantz, F. Breitner, H. Schumann

\alpha-Fe single crystals of rhombic dodecahedral habit were grown from a melt of Li$_{84}$N$_{12}$Fe$_{\sim 3}$. Crystals of several millimeter along a side form at temperatures around $T \approx 800^\circ$C. Upon further cooling the growth competes with the formation of Fe-doped Li$_3$N. The b.c.c. structure and good sample quality of \alpha-Fe single crystals were confirmed by X-ray and electron diffraction as well as magnetization measurements and chemical analysis. A nitrogen concentration of 90\,ppm was detected by means of carrier gas hot extraction. Scanning electron microscopy did not reveal any sign of iron nitride precipitates.

Publisher URL: http://arxiv.org/abs/1801.05287

DOI: arXiv:1801.05287v1

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