TY - JOUR
T1 - Electron spin resonance of Nd3+ in CeRu2 and ThRu2
T2 - A study of the superconducting and normal states
AU - Barberis, G. E.
AU - Davidov, D.
AU - Donoso, J. P.
AU - Gandra, F. C.G.
PY - 1981
Y1 - 1981
N2 - The authors have performed a careful ESR study of Nd3+ in the normal and superconducting states of CeRu2 and ThRu2. The superconducting transition temperature of the former compound was controlled by substituting Fe or Mn for Ru in CeRu2. This enabled a convenient temperature range to be chosen to study both the normal and superconducting states. The main features of the authors' experimental results are as follows: (a) The ESR thermal broadening is roughly the same in both the normal and superconducting states; (b) The hyperfine constant associated with the 143Nd isotope does not vary significantly upon going from the normal to the superconducting state. The feature (a) cannot be explained by theories developed for NMR in the mixed state. Although the authors cannot account for the first feature at present, it indicates a significant modification of the vortex state in the presence of magnetic impurities.
AB - The authors have performed a careful ESR study of Nd3+ in the normal and superconducting states of CeRu2 and ThRu2. The superconducting transition temperature of the former compound was controlled by substituting Fe or Mn for Ru in CeRu2. This enabled a convenient temperature range to be chosen to study both the normal and superconducting states. The main features of the authors' experimental results are as follows: (a) The ESR thermal broadening is roughly the same in both the normal and superconducting states; (b) The hyperfine constant associated with the 143Nd isotope does not vary significantly upon going from the normal to the superconducting state. The feature (a) cannot be explained by theories developed for NMR in the mixed state. Although the authors cannot account for the first feature at present, it indicates a significant modification of the vortex state in the presence of magnetic impurities.
UR - http://www.scopus.com/inward/record.url?scp=36149047958&partnerID=8YFLogxK
U2 - 10.1088/0305-4608/11/6/011
DO - 10.1088/0305-4608/11/6/011
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AN - SCOPUS:36149047958
SN - 0305-4608
VL - 11
SP - 1249
EP - 1260
JO - Journal of Physics F: Metal Physics
JF - Journal of Physics F: Metal Physics
IS - 6
M1 - 011
ER -