Тип публикации: статья из журнала

Год издания: 2009

Идентификатор DOI: 10.1134/S1063783409040234

Аннотация: The magnetoresistance of granular La0.7Ca0.3MnO3 is studied experimentally over wide ranges of temperatures and magnetic fields. The emphasis is on anomalously large hysteresis of magnetoresistance at low temperatures (T = 4.2 K). The observed rho(H) dependence can be qualitatively explained by spin-dependent tunneling of electronsПоказать полностьюthrough the dielectric boundaries of conducting granules characterized by a wide spread in the magnetic-moment magnitudes.

Журнал: PHYSICS OF THE SOLID STATE

Выпуск журнала: Vol. 51, Is. 4

Номера страниц: 778-780

ISSN журнала: 10637834

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER

• Shaykhutdinov K.A. (Kirensky Institute of Physics, Siberian Branch,Russian Academy of Sciences)
• Semenov S.V. (Siberian Federal University)
• Balaev D.A. (Kirensky Institute of Physics, Siberian Branch,Russian Academy of Sciences)
• Petrov M.I. (Kirensky Institute of Physics, Siberian Branch,Russian Academy of Sciences)
• Volkov N.V. (Siberian Federal University)

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