Exchange interactions of in the ab plane for An EPR linewidth study

Citation:

Likodimos V, Guskos N, Garmari-Seale H. Exchange interactions of in the ab plane for An EPR linewidth study. Physical Review B - Condensed Matter and Materials Physics [Internet]. 1998;58:14223-14226.

Abstract:

The electron paramagnetic resonance (EPR) linewidth of (Formula presented) in (Formula presented) is studied as a function of Er concentration. The EPR spectrum complies with the crystal-field ground doublet, while linewidth analysis shows the presence of exchange narrowing. Comparison of the theoretical EPR linewidth with the experimental data provide evidence for the presence of nearest-neighbor exchange interactions of the order of 1 K, most probably anisotropic along the a and b crystallographic axes. © 1998 The American Physical Society.

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