Angular dependence of the order-disorder transition in proton irradiated single crystal MgB2статья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:We present magnetization results on a proton irradiated MgB2 single crystal that displays a peak in magnetization for the field applied parallel to the c axis. Magnetic history effects are observed, which are ascribed to the occurrence of a disorder driven phase transition close to an inflection point in the magnetization-field curve. We demonstrate that the angular and temperature dependence of this feature is significantly different to that of the lower and upper critical fields.