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Nanoscale modulation of electronic states across unit cell steps on the surface of an epitaxial colossal magnetoresistance manganite film
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10.1063/1.3455886
/content/aip/journal/apl/96/26/10.1063/1.3455886
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/26/10.1063/1.3455886
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Figures

Image of FIG. 1.
FIG. 1.

(a) RHEED intensity oscillation monitored on the specular spot during the growth of the LSMO on STO substrate at . Inset a1 and a2: RHEED pattern obtained before and after deposition, respectively. (b) Resistivity/magnetization vs temperature curves for LSMO thin films of 5 nm thickness. STM topographic images with set point (sample bias 0.7 V, current 0.5 nA) taken at (c) 300 K and (d) 105 K.

Image of FIG. 2.
FIG. 2.

Statistical behavior of I–V curves at the edge of step and just away from the step, respectively, at [(a) and (b)] 300 K and [(c) and (d)] 105 K.

Image of FIG. 3.
FIG. 3.

(a) Spatially averaged DOS curves of 256 points (100 samples at each point) taken at different temperatures. (b) DOS behavior near step at 105 K: the solid line represents the average of DOS curves at the step edge and the dashed-dotted line represents the average of DOS curves just away from step edge. The dotted curve shows the global average curve at 105 K. (c) Two I–V curves taken at 105 K (solid line) and 145 K (dashed-dotted). Each curve is average of curves taken at 256 points (100 samples at each point).

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/content/aip/journal/apl/96/26/10.1063/1.3455886
2010-06-30
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Nanoscale modulation of electronic states across unit cell steps on the surface of an epitaxial colossal magnetoresistance manganite film
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/26/10.1063/1.3455886
10.1063/1.3455886
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