Local structure of Co and Ni in decagonal AlNiCo investigated by polarized EXAFS
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The local structure of cobalt and nickel in single crystals of decagonal quasicrystals with composition Al71.5Ni15.5Co13 and Al75Ni14.5Co10.5 have been studied by polarized EXAFS. Significant differences between the Ni and Co local environments have been detected. The effective absence of the 4 Å periodicity along the decagonal axis in these QCs is confirmed and indications about its reasons are presented.
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