Novel room-temperature ferromagnetic semiconductors Pb1-x-yCaxCryTe

Авторы: Skipetrov E.P., Zvereva E.A., Pichugin N.A., Primenko A.E., Slyn’ko E.I., Slyn’ko V.E.
Сборник: MRS Symposium Proceedings
Серия: 2009 MRS Spring Meeting
Том: 1183
Год издания: 2009
Место издания: Materials Research Society, United States
Первая страница: 51
Последняя страница: 56
Аннотация: The galvanomagnetic and magnetic properties of novel diluted magnetic semiconductors Pb1-x-yCaxCryTe (x=0.06-0.20, y=0.003-0.045) have been investigated. Temperature dependencies of the resistivity and the Hall coefficient have a metallic character indicating the pinning of Fermi level by the chromium impurity level on the background of the conduction band states. Magnetization curves display a clear hysteresis loop over the whole temperature range investigated. The Curie temperature, determined from the temperature dependencies of magnetization, achieves 345 K. Possible mechanisms of ferromagnetic ordering were discussed. © 2009 Materials Research Society.
Добавил в систему: Скипетров Евгений Павлович

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