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  1. No Access

    Chapter

    Spin Ice: Microscopic Physics

    This chapter describes the microscopic physics of the rare-earth pyrochlore oxides, focussing on the lattice structure, the strong spin-orbit coupling, the crystal electric field and the large magnetic moment....

    M. J. P. Gingras, P. A. McClarty, J. G. Rau in Spin Ice (2021)

  2. Article

    Open Access

    Special temperatures in frustrated ferromagnets

    The description and detection of unconventional magnetic states, such as spin liquids, is a recurring topic in condensed matter physics. While much of the efforts have traditionally been directed at geometrica...

    L. Bovo, M. Twengström, O. A. Petrenko, T. Fennell… in Nature Communications (2018)

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  3. No Access

    Article

    Pressure-induced crystallization of a spin liquid

    Liquids are expected to crystallize at low temperature. The only exception is helium, which can remain liquid at 0 K, owing to quantum fluctuations1,2. Similarly, the atomic magnetic moments (spins) in a magnet a...

    I. Mirebeau, I. N. Goncharenko, P. Cadavez-Peres, S. T. Bramwell… in Nature (2002)

  4. No Access

    Article

    Muon spin relaxation investigation of frustrated antiferromagnetic pyrochlores A2B2O7

    In a system where magnetic ions occupy the vertices of edge or corner sharing triangular units, the natural antiferromagnetic coupling between ions is geometrically frustrated. A wide variety of interesting ma...

    S.R. Dunsiger, R.F. Kiefl, K.H. Chow, B.D. Gaulin, M.J.P. Gingras… in Hyperfine Interactions (1997)

  5. No Access

    Article

    Depolarization in reentrant spin glasses: a comparison between neutron and muon probes

    In the amorphous ( Fe1-x Mn_x)75 P16 B_6 Al_3 alloys, muon and neutron depolarization data, combined with the results of small angle neutron scattering, magnetization and Mössbauer spectroscopy, probe the existen...

    I. Mirebeau, M. Hennion, M.J.P. Gingras, A. Keren, K. Kojima… in Hyperfine Interactions (1997)

  6. No Access

    Chapter and Conference Paper

    Stability Analysis of Diffusion-Controlled Growth: Onset of Instabilities and Breakdown of the Linear Regime

    It is shown that the limit of validity of a linear stability analysis for diffusive-growth type problems such as viscous fingering and crystal growth can be estimated without solving the problem to higher orde...

    M. J. P. Gingras, Z. Ràcz in Nonlinear Structures in Physical Systems (1990)