Collapse of a Charge-Ordered State under a Magnetic Field in
- 19 June 1995
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 74 (25) , 5108-5111
- https://doi.org/10.1103/physrevlett.74.5108
Abstract
The perovskite-type manganese oxide, , shows a first-order phase transition from a ferromagnetic (FM) metal to antiferromagnetic (AFM) nonmetal at 140 K, which accompanies the transition to the charge-ordered state (generalized Wigner lattice). The nonmetal-to-metal transition temperature can be decreased down to near 0 K with a magnetic field up to 70 kOe. The temperature-field phase diagram for the charge-ordered state is presented together with a discussion on the mechanism of this field-induced phase transition.
Keywords
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