Field Induced Spin Structure of Ising Shastry Sutherland Plateaus in Holmium Tetraboride
Abstract
Rare earth tetraborides are a class of Shastry-Sutherland magnets with frustration-generated magnetization plateaus in the Ising limit, but the microscopic origin of these plateaus is not fully understood. To elucidate these origins, we conduct neutron white beam Laue experiments on holmium tetraboride (HoTe4) and observe microscopic ordering and new in-plane incommensurate orders not previously reported besides the conventional 1/3 plateau appearing from commensurate out-of-plane order. Determining the nature of these phases enables us to deduce the Hamiltonian and the exact frustration mechanisms that might lead to the rich magnetic phase diagram. We hypothesize the microscopic origins of these observations and confirm this hypothesis using classical computations. Especially, we discuss opportunities to interpret these experimental results using unconventional computing paradigms such as quantum and digital annealing.
This work is supported by the Quantum Science Center (QSC), a National Quantum Information Science Research Center of the U.S. Department of Energy (DOE) led by Oak Ridge National Laboratory (ORNL). The crystal growth was funded in part by the Gordon and Betty Moore Foundation EPiQS Initiative, Grant GBMF3848 to J.G.C. E.S. and A.B. thank NSF REU program for support and Fujitsu for Digital Annealer access.- Publication:
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APS March Meeting Abstracts
- Pub Date:
- March 2022
- Bibcode:
- 2022APS..MARS51001K