Magnetic properties of lanthanide metaborates
Lanthanide metaborates Ln(BO2)3 contain one-dimensional chains of magnetic Ln3+ and may exhibit geometrical frustration, low dimensional ordering and other interesting magnetic features. However their magnetic properties have not been studied before. We have synthesised powder samples of lanthanide metaborates (Ln = Pr, Nd, Gd, Tb) and studied their magnetic properties as a function of temperature and magnetic field. Rietveld refinement shows that previous reports for the crystal structure are not fully accurate. We propose to correctly analyse the crystal structure for Ln = Pr, Nd, Tb using powder neutron diffraction on D2B. Magnetic measurements reveal an ordering transition for Pr(BO2)3 at T = 5 K. We aim to solve the magnetic structure and analyse the nature of the ordering transition through powder neutron diffraction experiments on D2B. This would also provide insight into the magnetic structure and magnetic properties of the other Ln(BO2)3.
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MUKHERJEE Paromita; S E Dutton; HODKINSON Jack and SUARD Emmanuelle. (2016). Magnetic properties of lanthanide metaborates. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-31-2456
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