Static susceptibility and heat capacity studies on V3O7·H2O7 nanobelts |
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| Authors: | I. Hellmann,G.S. Zakharova,C. Tä schner,B. Bü chner |
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| Affiliation: | a Leibniz-Institut für Festkörper- und Werkstoffforschung (IFW) Dresden, Helmholtzstr. 20, D-01069 Dresden, Germany
b Institute of Solid State Chemistry, Ural Division, Russian Academy of Sciences, Pervomaiskaya ul. 91, Yekaterinburg 620219, Russia |
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| Abstract: | V3O7·H2O nanobelts were prepared by a hydrothermal method at 190 °C using V2O5·nH2O gel and H2C2O4·2H2O as starting agents. The obtained nanobelts have diameters ranging from 40 to 70 nm with lengths up to several micrometers. Measurements of the static magnetic susceptibility and the specific heat show a discontinuous phase transition at around T=145 K, which separates two regions of paramagnetic behavior. |
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| Keywords: | 75.75.+a 62.23.Hj 65.80.+n |
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