期刊
FERROELECTRICS
卷 363, 期 -, 页码 50-55出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00150190802014438
关键词
perovskites; solid solutions; hyperfine interactions; cation/oxygen bonds
Mixed perovskites Ca1-xSrx HfO3 with x congruent to 0.25, 0.50 and 0.75 have been prepared for the first time by the high temperature solid state reaction method. The crystalline structures of these perovskites were investigated by X-Ray Diffraction (XRD) technique. The samples were irradiated with thermal neutrons to produce the Hf-181-Ta-181 Perturbed Angular Correlation spectroscopy (PACs) probe. A static asymmetric and disordered electric field gradient interaction was used to fit the time spectra. The behaviour of the quadrupole frequency measured at room temperature with composition is discussed.
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