Negative differential resistance in single crystal La_{2}CuO_{4} at low temperature
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A current-controlled negative differential resistance has been revealed in the I-V characteristics of single crystal La$_{2}$CuO$_{4+δ}$ in the low temperature region. The non-linear behavior of conductivity is accompanied by a transition from positive to negative magnetoresistance when the current is growing. Possible reasons for the effect observed are discussed.
3pages, a translation from Russian into English of paper published in Izvestiya RAN, Ser. Fiz
3pages, a translation from Russian into English of paper published in Izvestiya RAN, Ser. Fiz