Matches in SemOpenAlex for { <https://semopenalex.org/work/W2077483780> ?p ?o ?g. }
- W2077483780 abstract "An investigation of the crystal structure, the magnetic and the piezoelectric properties of polycrystalline Bi1-xCaxFe1-x/2Nbx/2O3 (I) and Bi1-xPbxFe1-x/2Nbx/2O3 (II) systems was performed by x-ray diffraction, Mössbauer spectroscopy, vibrating sample magnetometry, and piezoresponse force microscopy. It is shown that an increasing niobium content induces a polar-to-nonpolar morphotropic boundary near x = 0.19 (I) and x = 0.3 (II). Within the polar region of the system (I), (0.15 ≤x ≤0.18), the solid solutions are homogeneous weak ferromagnets whereas compounds of the system (II) do not exhibit an appreciable spontaneous magnetization. It is assumed that chemical substitutions leading to a decrease of the initial volume of the unit cell favor the stabilization of the weak ferromagnetic state within the rhombohedral ferroelectric phase. The piezoresponse is significantly enhanced near the morphotropic boundary. The piezoelectric properties of the parent antiferromagnet BiFeO3, harboring a cycloidal spatially modulated spin structure, are compared with those of the polar weak ferromagnet Bi0.82Ca0.18Fe0.91Nb0.09O3." @default.
- W2077483780 created "2016-06-24" @default.
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- W2077483780 date "2011-06-01" @default.
- W2077483780 modified "2023-10-16" @default.
- W2077483780 title "Enhanced piezoelectric and magnetic properties of Bi<sub>1−</sub><i><sub>x</sub></i>Ca<i><sub>x</sub></i>Fe<sub>1−</sub><i><sub>x</sub></i><sub>/2</sub>Nb<i><sub>x</sub></i><sub>/2</sub>O<sub>3</sub> solid solutions" @default.
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- W2077483780 doi "https://doi.org/10.1063/1.3594251" @default.
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