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X-ray diffraction patterns of the ceramics.
(a) Raman spectrum of pure KNN ceramics for wave numbers with and modes of the unit between 100 and . (b) Composition dependence of and bands of the Raman spectra of ceramics.
Temperature dependence of the band of the Raman spectra of 0.95KNN-0.05LT and pure KNN ceramics.
(Color online) Difference between (a) polymorphism behavior and (b) morphotropic phase boundary.
Variation of wave number of the band of different crystal grains chosen randomly from the pure KNN and 0.95KNN-0.05LT samples.
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