Bulletin of the American Physical Society
85th Annual Meeting of the APS Southeastern Section
Volume 63, Number 19
Thursday–Saturday, November 8–10, 2018; Holiday Inn at World’s Fair Park, Knoxville, Tennessee
Session D05: Poster Session (6:00pm-7:30pm)
6:00 PM,
Thursday, November 8, 2018
Holiday Inn Knoxville Downtown
Room: Atrium
Abstract ID: BAPS.2018.SES.D05.48
Abstract: D05.00048 : Synthesis of the Kagome Spin Ice Ho3Mg2Sb3O14*
Presenter:
Emily M Hollingworth
(Georgia Institute of Technology)
Author:
Emily M Hollingworth
(Georgia Institute of Technology)
A geometrically frustrated magnet is a system in which the material’s crystal structure prevents its magnetic spins from each anti-aligning in the most energetically favorable way. In particular, there is no single lowest energy state, resulting in a high ground state degeneracy. This can lead to exotic states of matter that may behave non-classically even at ultra-low temperatures. The kagome spin ice is an example of such a material, wherein Ising spins are frustrated due to the triangular 2D kagome lattice structure. We have synthesized powder of such a material: Ho3Mg2Sb3O14, as well as holmium doped La3Mg2Sb3O14. With this doped material, we are able to isolate the effects of the magnetic Holmium ions from those of the surrounding environment. We have also found preliminary results on the synthesis of single crystals of this kagome lattice. Additionally, we have measured neutron scattering data on powder samples of these materials, which has allowed us to separate out the contributions of the magnetic ions from the environment and nearby interactions.
Resources
Dun, Zhiling, et al. "Quantum Spin Fragmentation in Kagome Ice Ho3Mg2Sb3O14." arXiv preprint arXiv:1806.04081 (2018).
*This work is supported by the Department of Energy under award DE-SC0018660.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.SES.D05.48
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