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Temperature dependence of electric field gradient in LaCoO3 perovskite investigated by perturbed angular correlation spectroscopy

Junqueira, Astrogildo C; Carbonari, Artur W; Saxena, Rajendra N; Mestnik-Filho, Jose; Dogra, Rakesh


The time differential perturbed angular correlation (TDPAC) technique was used to study the temperature dependence of electric field gradient (EFG) in LaCoO3 perovskite using and nuclear probes. The radioactive parent nuclei 111In and 181Hf were introduced into the oxide lattice through a chemical process during sample preparation and were found to occupy only the Co sites in LaCoO3. The PAC measurements with 111Cd and 181Ta probes were made in the temperature range of 4.2-1146 K and 4.2-1004...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Journal of Physics: Condensed Matter
DOI: 10.1088/0953-8984/17/43/016


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