Cruickshank, EwanRybak, PaulinaMajewska, Magdalena MRamsay, ShonaWang, ChengZhu, ChenhuiWalker, RebeccaStorey, John M DImrie, Corrie TGorecka, EwaPociecha, Damian2023-11-062023-11-062023-10-03Cruickshank, E, Rybak, P, Majewska, M M, Ramsay, S, Wang, C, Zhu, C, Walker, R, Storey, J M D, Imrie, C T, Gorecka, E & Pociecha, D 2023, 'To Be or Not To Be Polar : The Ferroelectric and Antiferroelectric Nematic Phases', ACS Omega, vol. 8, no. 39, pp. 36562-36568. https://doi.org/10.1021/acsomega.3c058842470-1343PubMedCentral: PMC10552116ORCID: /0000-0001-6497-5243/work/146067346ORCID: /0000-0002-5261-5467/work/146067517ORCID: /0000-0001-5167-7183/work/190041199https://hdl.handle.net/2164/22118Acknowledgments The research was supported by the National Science Centre (Poland) under the grant no. 2021/43/B/ST5/00240. C.T.I. and J.M.D.S. acknowledge the financial support of the Engineering and Physical Sciences Research Council under the grant no. EP/V048775/1. The beamlines 7.3.3 and 11.0.1.2 at the Advanced Light Source at the Lawrence Berkeley National Laboratory are supported by the Director of the Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DE-AC02- 05CH11231.75523682engSupplementary Informationhttps://pubs.acs.org/doi/10.1021/acsomega.3c05884.Journal article10.1021/acsomega.3c05884839