Nature 463, 789–792 (2010)
In this Letter, the crystallographic a and b axes had been labelled incorrectly in Figs 3a, 4b and in Supplementary Fig. 1. The a- and b-axes labels need to be exchanged to correct these figures. Namely, the yellow plates of croconic acid crystal are elongated along the crystallographic b axis in the corrected Supplementary Fig. 1. The correct Fig. 3 depicts the surface image of crystal (010) plane. The errors do not involve the polar (crystallographic c) axis focused, and these corrections do not alter the essence or conclusion of the paper.
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The online version of the original article can be found at 10.1038/nature08731
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Horiuchi, S., Tokunaga, Y., Giovannetti, G. et al. Erratum: Above-room-temperature ferroelectricity in a single-component molecular crystal. Nature 466, 1006 (2010). https://doi.org/10.1038/nature09363
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DOI: https://doi.org/10.1038/nature09363
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