On the case of the negative activation v
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G.E. Zardas; Ch.I. Symeonides
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Article
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2009
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Elsevier Science
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English
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When conductivity, self-diffusion or electrical relaxation measurements are carried out at various pressures, the results are described in terms of a defect activation volume. Here, we discuss the rare case of negative activation volumes e.g., the one found by Fontanella et al. [Phys. Rev. Lett. 51