A Kagome-lattice antiferromagnet is a type of magnetic material that has a triangular lattice structure. In this structure, the magnetic moments of adjacent atoms point in opposite directions, resulting in a net zero magnetic moment for the material.
One major limitation is the lack of understanding of the excitations or vibrations within these materials. These excitations are crucial for understanding the behavior and properties of the material, but current techniques are unable to fully probe them.
Recent advancements in experimental techniques, such as inelastic neutron scattering and Raman spectroscopy, have allowed for a more detailed study of these materials. Additionally, theoretical developments have provided new insights into the behavior of these excitations.
Understanding the excitations in these materials can lead to the development of new technologies, such as spin-based electronics, or improving the performance of existing magnetic materials. It can also provide insight into fundamental properties of quantum materials.
One challenge is that these materials are often complex and difficult to synthesize, making it challenging to obtain high-quality samples for study. Additionally, the excitations themselves are highly sensitive to external conditions, making it difficult to isolate and study them in detail.