This work was supported by POCentro, COMPETE 2020, Portugal 2020, and European Community through the FEDER and by the Portuguese Foundation for Science and Technology (Nos. Centro-01–0145-FEDER-029956 and UIDB/00070/2020). The STFC Rutherford Appleton Laboratory is thanked for access to the neutron beam facilities (No. OSIRIS/RB1910015, DOI: 10.5286/ ISIS.E.RB1910015). We also acknowledge the support of the National Institute of Standards and Technology, U.S. Department of Commerce, in providing the neutron research facilities used in this work—access to HFBS (B38–16) was provided by the Centre for High Resolution Neutron Scattering, a partnership between the National Institute of Standards and Technology and the National Science Foundation under Agreement No. DMR-1508249.