Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...
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The variation of dielectric constant (εr) in the low-frequency region (∼106 Hz) in Hf-substituted BaTiO3 has been modelled considering the electronic disorder in the form of Urbach energy (EU) with ...
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School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, U.K.