journal article·2022-03-04Open access

Magnetic field dependent thermodynamic properties of square and quadrupolar artificial spin ice

M. Goryca, X. Zhang, J. D. Watts, C. Nisoli, C. Leighton, P. Schiffer, S. A. Crooker

Physical Review B· Volume 105· Issue 9

Abstract

The static and dynamic magnetic properties of Artificial Spin Ices (ASIs) are typically investigated in zero magnetic field. However, magnetic fields can provide a versatile tuning parameter, by driving phase transitions between different magnetic orders, or tuning through regimes where quasiparticle excitations (e.g., ``magnetic monopoles'') can readily form and proliferate. Here, using simulations supported by noise experiments, the authors map out the equilibrium thermodynamic properties and magnetic phases of square and quadrupolar ASIs as a function of applied in-plane magnetic fields.
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Research context

OpenAlex topics: Advanced Condensed Matter Physics · Theoretical and Computational Physics · Physics of Superconductivity and Magnetism

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

National High Magnetic Field Lab, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA

Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Pasteura 5, 02-093 Warsaw, Poland

Department of Applied Physics, Yale University, New Haven, Connecticut 06520, USA

Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, USA

School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA

Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA

Department of Physics, Yale University, New Haven, Connecticut 06520, USA

Funding

National Science Foundation · U.S. Department of Energy

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