NMR in the normal and in the superconducting state of MgB2 and comparison with AlB2

S. H. Baek, B. J. Suh, E. Pavarini +4

${}^{11}$B NMR measurements have been performed in ${}^{11}$B enriched MgB${}_2$ powder samples in external fields of 0.813, 1.55, 4.7 and 7.2 T both in the normal phase and in the super…