Abstract
The temperature dependence of the frequency shift and spin-lattice relaxation rate of isolated, nonmagnetic impurities implanted in a nearly ferromagnetic host (Pd) are measured by means of -detected nuclear magnetic resonance (-NMR). The shift is negative, very large, and increases monotonically with decreasing in proportion to the bulk susceptibility of Pd for . Below , an additional shift occurs which we attribute to the response of Pd to the defect. The relaxation rate is much slower than expected for the large shift and is linear with below , showing no sign of additional relaxation mechanisms associated with the defect.
- Received 23 August 2006
DOI:https://doi.org/10.1103/PhysRevLett.98.047601
©2007 American Physical Society