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Francoual","submitted_at":"2015-08-29T19:35:02Z","abstract_excerpt":"We investigate the magnetic and electronic properties of the Gd$T_2$Zn$_{20}$ ($T$ = Fe and Co) compounds using X-ray resonant magnetic scattering (XRMS), X-ray absorption near-edge structure (XANES) and X-ray magnetic circular dichroism (XMCD) techniques. The XRMS measurements reveal that the GdCo$_2$Zn$_{20}$ compound has a commensurate antiferromagnetic spin structure with a magnetic propagation vector $\\vec{\\tau}$ = $(\\frac{1}{2},\\frac{1}{2},\\frac{1}{2})$ below the N\\'eel temperature ($T_N \\sim$ 5.7 K). 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