Nature 425, 702–705 (2003).
In this Letter, both the legend to Fig. 1 and the ‘X-ray diffraction data’ section of the Methods contain errors in the crystallographic data. In the Methods, for both YbGaGe and YbGaSn, Z = 4 (not 3). Hence, for YbGaGe, density dcalc = 8.149 g cm-3 and absorption coefficient µ = 57.752 mm-1. For YbGaSn, dcalc = 8.151 g cm-3 and µ = 48.612 mm-1. In the legend to Fig. 1, the atomic coordinates (×104) should be as follows: In both compounds, for Yb(1) (x, y, z) = (0, 0, 1/4). For Yb(2) (x, y, z) = (0, 0, 0). In YbGaGe, for Ga (x, y, z) = (1/3, 2/3, 0.1532) and for Ge (x, y, z) = (1/3, 2/3, 0.6128). In YbGaSn, for Ga (x, y, z) = (1/3, 2/3, 0.1634) and for Sn (x, y, z) = (1/3, 2/3, 0.6146). In addition, line 21 of the left column of page 704 should have read “…with one showing NTE and one PTE.”
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The online version of the original article can be found at 10.1038/nature02011
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Salvador, J., Guo, F., Hogan, T. et al. Correction: Corrigendum: Zero thermal expansion in YbGaGe due to an electronic valence transition. Nature 426, 584 (2003). https://doi.org/10.1038/nature02182
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DOI: https://doi.org/10.1038/nature02182
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