Correlation between piezoelectric and magnetic properties of Fe and Sm co-substituted potassium niobate piezoelectric ceramics

Literature Information

Publication Date 2018-06-19
DOI 10.1039/C8CP01971A
Impact Factor 3.676
Authors

Onkar Nath Verma, Vandna Tomar, Manish Kumar, Kamal K. Srivastav, Vasant Sathe, Priyanka A. Jha, Prabhakar Singh


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Abstract

A piezoelectric material KNbO3 has been co-substituted with the magnetic ions Sm3+ and Fe3+ in order to explore the relation between piezoelectricity and magnetism. The samples K1−xSmxNb1−xFexO3 [x = 0.0–0.1] were synthesized using a solid state reaction route, after estimating the structural stability with the substitution. Structural studies were employed using XRD with Rietveld refinement and Raman analysis suggesting Amm2 symmetry. Also, the transition temperature was observed to change with the increase in Sm and Fe content. This transition temperature was also confirmed through high temperature XRD and high temperature Raman results. The dielectric and piezoelectric properties were found to be in correlation with the intensity of Raman modes for substituted samples, indicating better ferroelectricity at x = 0.05. A correlation between piezoelectric and magnetic properties was established in terms of the coercive field and exchange energy.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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