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Electric Field Induced Collapse of Charge-Ordered Phase in Manganites | | S. Dong
; C. Zhu
; Y. Wang
; F. Yuan
; K.F. Wang
; J.-M. Liu
; | | Date: |
27 Jun 2006 | | Subject: | Materials Science; Strongly Correlated Electrons | | Abstract: | The colossal electroresistance in manganites is a concomitant of the electric field induced insulator-to-metal phase transition. A phenomenological phase transition model is proposed to study this electric field induced collapse of charge-ordered phase. The hysteresis of the phase transition is well explained using the effective medium approximation. The volume fraction of metallic region at the metal-to-insulator transition point is estimated as 30%. In addition, it is found that the critical electric field to melt the charge-ordered phase will decrease with the applied magnetic field. | | Source: | arXiv, cond-mat/0606682 | | Services: | Forum | Review | PDF | Favorites | |
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