MAGNETIC-BEHAVIOR OF CO IMPURITY IN DILUTE PTFE ALLOYS - A NUCLEAR ORIENTATION STUDYстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
TRHLIK M.,
BREWER WD,
DEMOOR P.,
SCHUURMANS P.,
SEVERIJNS N.,
VANDERPOORTEN W.,
VANNESTE L.,
WOUTERS J.,
ERZINKYAN AL,
PARFENOVA VP,
GUREVICH GM,
DUPAK J.
Аннотация:Behaviour or the Co magnetic moments in dilute PtFe alloys was studied in the temperature range of 5 - 50 mK and the external magnetic field range of 0 - 8.5 T using low-temperature nuclear orientation. Kondo behaviour of Co, known to exist in pure Pt, was found in the sample of lowest concentration only (Pt + 0.22 at.% Fe). Large misalignment of the Co magnetic moments was seen, especially for alloys having Fe concentration slightly above the percolation limit 0.76 at.%. An anomaly in the hyperfine field value on the Co nucleus was also found in these alloys