Giant negative magnetoresistance effect in PbTe(Yb,Mn)статья
Статья опубликована в высокорейтинговом журнале
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Web of Science
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Дата последнего поиска статьи во внешних источниках: 29 мая 2015 г.
Аннотация:We report on the observation of the giant negative magnetoresistance effect in PbTe doped simultaneously with Yb and Mn. In some impurity concentration range, the sample resistance at the liquid helium temperature drops by about three orders of magnitude when the magnetic field increases up to 5-6 T, with subsequent rise by about one order of magnitude as the field increases to 17.5 T. The effect is observed up to T=35 K. The possible origin of the effect is discussed.