HOT Article: Dielectric properties in superlattices

In this CrystEngComm Hot article, (001)-oriented BaTiO3/LaNiO3 superlattics are made by a radio frequency sputtering method.

Liang Qiao and Xiaofang Bi noticed a dielectric anomaly in their superlattices; they observed that the  dielectric maxima shifted towards higher temperatures with an increase in frequency. Read on to see how they explain their results, and to find out more about the dielectric properties and phase transition characteristics of their BaTiO3/LaNiO3 superlattices.

Dielectric phase transition and relaxor behavior in BaTiO3/LaNiO3 superlattice
Liang Qiao and Xiaofang Bi

CrystEngComm, 2011, Advance Article
DOI: 10.1039/C0CE00665C, Paper

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