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Surface atomic and chemical structure of relaxor Sr0.63Ba0.37Nb2O6(001)

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FIG. 1. (a) Dielectric response of SBN single crystal for frequencies between 1 kHz and 1 MHz
FIG. 4. (a) XPS survey spectrum of SBN(001) single crystal. Core level spectra: (b) Ba 3d 5=2 ; (c) Sr 3d; (d) Nb 3d; (e) O 1s core level spectra at  nor-mal (top) and 60  (bottom) emission angles.

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