Spin dynamics in hyperkagome Nd3Ga5O12
At the heart of frustrated magnetism physics, the studies of the magnetic properties of rare-earth (RE) ion systems have led to ground-breaking theoretical concepts, such as Coulomb phase physics or emergent quantum electrodynamics. Studies of rare-earth pyrochlore oxydes have quite contributed in this field, yet, other structures, like the "hyperkagomé", made of corner sharing triangles are also prone to geometric frustration. Whether or not the concepts developed in the context of pyrochlores might be adapted to this structure represents an important issue. This motivates new research on the RE gallium garnets RE3Ga5O12 (space group Ia-3d) which belong to this family of hyperkagomé compounds. We wish to determine the interactions at play in Nd3Ga5O12 following our detailed investigation of its (H,T) phase diagram by means of neutron diffraction.
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PETIT Sylvain; DAMAY Francoise; LHOTEL Elsa and OLLIVIER Jacques. (2021). Spin dynamics in hyperkagome Nd3Ga5O12. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-01-1686
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