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Abstract
The influence of local moment magnetism on the boron isotope effect of was studied on single crystals of
. Values of the partial isotope effect exponent of
and
were obtained based on two different criteria applied to extract
. No significant change in the partial isotope effect exponent compared to the ones obtained for
was observed. Based on this result, we conclude that pair-breaking due to the Er local magnetic moment appears to have no detectable influence on boron isotope effect of
.
Keywords:
Acknowledgments
The authors would like to thank V.G. Kogan for fruitful discussions and reading of the manuscript. S.L.B. would like to thank Andreas Bill for bringing attention to this problem. The authors would also like to thank E. Colombier, R. Hu, H. Kim, S. Kim, X. Lin, E. D. Mun and A. Thaler for their support in writing this paper. This work was done at Ames Laboratory, US DOE, under contract DE-AC02-07CH111358. This work was supported by the US Department of Energy, Office of Basic Energy Science, Division of Materials Sciences and Engineering. S.L.B. and P.C.C were supported in part by the State of Iowa through the Iowa State University.
