(1) Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan;(2) Present address: Heavy Ion Nuclear Physics Lab., RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
Abstract:
We observed the electric quadrupole interaction of 12B implanted in the interstitial site of TiO2 using β-NMR method. The electric field gradients including the direction of the principal axes were determined. The direction agreed
well with the theoretical calculation.