Electrical properties of crystalline borates |
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| Authors: | V Trnovcová M Kubliha A Kokh P P Fedorov R M Zakalyukin |
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| Institution: | (1) Physics Department, University of Malaya, 50603 Kuala Lumpur, Malaysia |
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| Abstract: | Anisotropy of electrical and dielectric properties of α- and β-BaB2O4, Ba2Na3(B3O6)2F, LiB3O5, and CsLi(B3O5)2 single crystals is reported and discussed. In these crystals, alkali ions are dominant charge carriers; pre-heating to 300°C
eliminates the humidity, preheating to 500 or 600°C, stabilizes the structure and electrical properties of crystals. Then,
both ionic conductivity and dielectric response are determined by movement of alkali ions, and temperature dependences of
the ionic conductivity and static permittivity are well reproducible. |
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