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Figure 4
Experimental and model diffuse scattering intensity distribution of PMN–PT in (a) hk0 and (b) hkk planes. For the reconstruction of the experimental patterns selected symmetry elements of the crystal were applied. Diffuse spots with non-integer Miller indices visible in the hkk plane point towards correlated Mg/Nb disorder, where nearest neighbours tend to be of a different type, thus locally resembling the NaCl structure. Constant background is added to facilitate the comparison.

ISSN: 2053-2733
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