Abstract
Anomalies of a variable range hopping (VRH) in amorphous LaSrMnO films containing ferromagnetic (FM) and antiferromagnetic (AFM) crystalline clusters are investigated. Anomalies are constituted, in the 190–130 K temperature interval, by an increase of the local activation energy ( ε a ) with decreasing temperature. It is established that the increase in ε a is caused by magnetic ordering of AFM clusters containing Mn 3+ and Mn 4+ centers participating in VRH.
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