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. 2021 Oct 15;60(21):16397–16408. doi: 10.1021/acs.inorgchem.1c02211

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© 2021 The Authors. Published by American Chemical Society

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Observed (red circles) and calculated after the Rietveld refinements (black lines) intensities of the powder XRD patterns for nominal samples: (a) Ho₅₀Ni_18.3Si_31.7, which in addition to the main Ho₂Ni_0.750(1)Si_1.250(1) phase (upper row of vertical bars indicating the calculated Bragg peak positions) contains Ho₃NiSi₂ (middle row) and Ho₅Ni_0.20(4)Si_2.80(4) (lower row) impurities; (b) Ho₅₀Ni₂₀Si₃₀ containing Ho₂Ni_0.846(1)Si_1.140(1) (main phase, upper row) and Ho₂O₃ (impurity, lower row); (c) Ho₅₀Ni₂₅Si₂₅ containing Ho₂Ni_0.922(3)Si_1.078(3) (main phase, upper row) and HoNi_0.855(2)Si_0.145(2) (impurity, lower row). The blue lines at the bottom of each plot are the differences between the observed and calculated intensities.