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Metal-insulator transition sustained by Cr-doping in V2O3 nanocrystals
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10.1063/1.3679396
/content/aip/journal/apl/100/4/10.1063/1.3679396
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/4/10.1063/1.3679396

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) TEM image and (b) observed and calculated XRD pattern for the (V1− x Cr x )2O3 nanocrystals at RT.

Image of FIG. 2.
FIG. 2.

(Color online) O K XAS spectra of the (V1− x Cr x )2O3 nanocrystals measured at 180 K (red line) and 100 K (blue line), and of the V2O3 nanocrystals5 at 170 K (black line).

Image of FIG. 3.
FIG. 3.

Temperature dependence of the magnetic susceptibilities of the (V1− x Cr x )2O3 nanocrystals (black line) and the V2O3 nanocrystals with crystal sizes >∼40 nm (grey line).

Image of FIG. 4.
FIG. 4.

(Color online) Characteristic part of XRD patterns of the (V1− x Cr x )2O3 nanocrystals at 170 K (red line) and 100 K (blue line) as well as for the high-temperature corundum phase at 284 K (grey dotted line) and the low-temperature monoclinic phase at 100 K (grey broken line) of bulk V2O3.5 The data of the bulk are corrected for comparison.

Tables

Generic image for table
Table I.

Lattice constants and V-V distances in the corundum phase of the (V1− x Cr x )2O3 and the V2O3 nanocrystals (NCs)5 at RT.

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/content/aip/journal/apl/100/4/10.1063/1.3679396
2012-01-24
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Metal-insulator transition sustained by Cr-doping in V2O3 nanocrystals
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/4/10.1063/1.3679396
10.1063/1.3679396
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