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Cited by 14 publications
(12 citation statements)
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“…Note that the Pm model is more appropriate for the local structure, which allows Nb displacement within the a-c plane. However, S 001 is higher than S 100 , which is consistent with the Nb displacement direction reported by Petkov et al [28]. The variation in net fractional displacements as a function of temperature is shown in Figure 6b.…”
Section: Resultssupporting
confidence: 90%
See 2 more Smart Citations
“…Note that the Pm model is more appropriate for the local structure, which allows Nb displacement within the a-c plane. However, S 001 is higher than S 100 , which is consistent with the Nb displacement direction reported by Petkov et al [28]. The variation in net fractional displacements as a function of temperature is shown in Figure 6b.…”
Section: Resultssupporting
confidence: 90%
“…While Rietveld refinement of the Bragg diffraction peaks provides information of the long-range average structure, the local-scale correlations of atoms are not explicitly revealed in this method. In KNN-based materials, there is strong evidence that the local and the average structures are different and therefore we used the neutron pair distribution function (PDF) to investigate the local structural evolution in KNNL as a function of temperature [28]. The neutron pair distribution function (PDF) is calculated from the sine Fourier transform of the total neutron scattering intensity, which is sensitive to localscale atomic correlations.…”
Section: Resultsmentioning
confidence: 99%
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“…As per various studies, tilting of the BO 6 octahedron in ABO 3 -type perovskites appears when t is below 1, while tilts do not exist when t Z 1. 41 The t values for NaNbO 3 and KNbO 3 were 0.96 and 1.06, respectively. 42 In NaNbO 3 , the tilting of NbO 6 octahedra occurs due to the relatively small size of Na atoms (r Na + = 1.39 Å), which are placed in the 12-fold-coordinated cavities between the BO 6 octahedra.…”
Section: Electrical Propertiesmentioning
confidence: 92%
“…In case of O phase, a low ratio V sample (O)/V K0.5Na0.5 NbO3 (O) << 1 was observed for all samples ( Figure 4 A, black chart). Greater distortions caused by a higher (+) or (−) octahedra tilting manifested in a larger O unit cell volume of samples compared with the O unit cell of K 0.5 Na 0.5 NbO 3 pattern (PDF 04-017-0216 [ 64 ]. The exception manifested at the sample K8N2_200, for both 30 and 60 min dwelling times.…”
Section: Resultsmentioning
confidence: 99%