Reversible ordering and disordering of the vortex lattice in UPt3

K. E. Avers, S. J. Kuhn, A. W. D. Leishman, W. J. Gannon, L. DeBeer-Schmitt, C. D. Dewhurst, D. Honecker, R. Cubitt, W. P. Halperin, and M. R. Eskildsen
Phys. Rev. B 105, 184512 – Published 17 May 2022
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Abstract

When studied by small-angle neutron scattering, the vortex lattice (VL) in UPt3 undergoes a gradual disordering as a function of time due to U235 fission. This temporarily heats regions of the sample above the critical temperature, where, upon recooling, the vortices remain in a quenched disordered state. The disordering rate is proportional to the magnetic field, suggesting that it is governed by collective VL properties such as the elastic moduli. An ordered VL can be re-formed by applying a small field oscillation, showing that the fission does not cause detectable radiation damage to the UPt3 crystals, even after long exposure.

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  • Received 22 March 2021
  • Revised 9 August 2021
  • Accepted 6 May 2022

DOI:https://doi.org/10.1103/PhysRevB.105.184512

©2022 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

K. E. Avers1,2,*, S. J. Kuhn3,†, A. W. D. Leishman3, W. J. Gannon1,‡, L. DeBeer-Schmitt4, C. D. Dewhurst5, D. Honecker5, R. Cubitt5, W. P. Halperin1, and M. R. Eskildsen3,§

  • 1Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208, USA
  • 2Center for Applied Physics & Superconducting Technologies, Northwestern University, Evanston, Illinois 60208, USA
  • 3Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
  • 4Large Scale Structures Section, Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
  • 5Institut Laue-Langevin, 71 avenue des Martyrs, CS 20156, F-38042 Grenoble cedex 9, France

  • *Present address: Department of Physics, University of Maryland, College Park, Maryland 20742, USA.
  • Present address: Center for Exploration of Energy & Matter, Indiana University, Bloomington, Indiana 47408, USA.
  • Present address: Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky 40506, USA.
  • §eskildsen@nd.edu

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Issue

Vol. 105, Iss. 18 — 1 May 2022

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