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Model for strain-induced metal-insulator phase coexistence in colossal magnetoresistive perovskite manganites (invited)
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10.1063/1.2162337
/content/aip/journal/jap/99/8/10.1063/1.2162337
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/8/10.1063/1.2162337
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) Modes and energy landscape (Ref. 11). (a) Atomic scale lattice distortion modes for a monatomic square lattice in 2D. All modes are illustrated for positive values of the variables. (b) Energy landscapes along in the plane for two sets of parameter values (the global minimum of the blue curve has ). The solid circles in the inset schematically represent the locations of local minima in the plane.

Image of FIG. 2.
FIG. 2.

(Color online) Simulation for the shallow local minimum case on a lattice with periodic boundary conditions (Ref. 11). (a) The field initial configuration. (b)–(g) Time sequence of during energy relaxation. (h) Final stable stage. [Dark red and dark blue represent , except in (a), where they correspond to . is the value of or at the global minimum distorted state.] (i) Local DOS at for the distorted pattern in (f) (dark blue and dark red correspond to 0 and 0.5). (j) Typical local DOS vs energy within the distorted and undistorted regions.

Image of FIG. 3.
FIG. 3.

(Color online) Simulation for the deep local minimum case on a lattice (Ref. 11). (a) field for the stable elastic texture (color scheme is similar to Fig. 2). (b) Local DOS configuration at . Blue and green regions are distorted insulator and undistorted metal, respectively. (c) Typical local DOS vs energy within the distorted and undistorted regions.

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/content/aip/journal/jap/99/8/10.1063/1.2162337
2006-04-18
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Model for strain-induced metal-insulator phase coexistence in colossal magnetoresistive perovskite manganites (invited)
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/8/10.1063/1.2162337
10.1063/1.2162337
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