Muon spin rotation and relaxation study on Nb${}_{1-y}$Fe${}_{2+y}$

J. Willwater, D. Eppers, T. Kimmel +5

We present a detailed study of the magnetic properties of weakly ferromagnetic/quantum critical Nb${}_{1-y}$Fe${}_{2+y}$ using muon spin rotation and relaxation ($\mu$SR). By means of an…