Single crystals of LaMnO3, La1−x
MnO3 (x=0, 0.04, 0.1) and LaMn1−x
O3 (x=0.1) have been grown by the floating-zone melting technique. Electrical and magnetic properties of these crystals have been examined. Only La0.9MnO3 crystals exhibit ferromagnetism, (T
c∼250 K), an insulator–metal transition around 250 K and CMR (58% at T
c).
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