Holt S J R, Ritter C, Lees M R, Balakrishnan G
University of Warwick, Department of Physics, Coventry, CV4 7AL, United Kingdom.
Institut Laue-Langevin, 71 Avenue des Martyrs, CS20156, 38042 Grenoble Cédex 9, France.
J Phys Condens Matter. 2021 May 24;33(25). doi: 10.1088/1361-648X/abf9bb.
The magnetic ground state of polycrystalline Néel skyrmion hosting material GaVShas been investigated usingsusceptibility and powder neutron diffraction. In the absence of an applied magnetic field GaVSundergoes a transition from a paramagnetic to a cycloidal state below 13 K and then to a ferromagnetic-like state below 6 K. With evidence fromsusceptibility and powder neutron diffraction, we have identified the commensurate magnetic structure at 1.5 K, with ordered magnetic moments of 0.23(2) on the V1 sites and 0.22(1) on the V2 sites. These moments have ferromagnetic-like alignment but with a 39(8)° canting of the magnetic moments on the V2 sites away from the Vcluster. In the incommensurate magnetic phase that exists between 6 and 13 K, we provide a thorough and careful analysis of the cycloidal magnetic structure exhibited by this material using powder neutron diffraction.