Impedance spectroscopic studies of planetary ball-milled lithium titanium phosphate material |
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| Authors: | Lakshmi Vijayan |
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| Affiliation: | Department of Physics, School of Physical, Chemical and Applied Sciences, Pondicherry University, R. V. Nagar, Kalapet, Puducherry 605 014, India |
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| Abstract: | The ac electrical conductivity properties of LiTi2(PO4)3 (LTP) polycrystalline material in two different crystallite sizes are compared. Micrometer sized LTP is prepared by conventional solid-state reaction. LTP crystallites of 71 nm size are prepared by solid-state reaction of 40 h planetary milled stoichiometric mixture. The XRD and SEM are used as characterization techniques. Electrical properties are studied using impedance spectroscopic technique. Ball-milled LTP shows one order increase in grain-interior conduction compared to microcrystalline LTP at 388 K. The increase in conduction results from decreased crystallite size. |
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| Keywords: | 66.10.Ed 61.72.Mm 61.82.Rx 61.43.Gt |
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