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  • Ge, Jun-Yi; Gladilin, Vladimir N; Sluchanko, Nikolay E; Lyashenko, A; Filipov, Volodimir B; Indekeu, Joseph O; Moshchalkov, Victor V

    New journal of physics, 09/2017, Volume: 19, Issue: 9
    Journal Article

    The magnetic response related to the paramagnetic Meissner effect (PME) is studied in a high quality single crystal ZrB12 with non-monotonic vortex-vortex interactions. We observe the expulsion and penetration of magnetic flux in the form of vortex clusters with increasing temperature. A vortex phase diagram is constructed, and shows that the PME can be explained by considering the interplay among the flux compression, the different temperature dependencies of the vortex-vortex and the vortex-pin interactions, and thermal fluctuations. Such a scenario is in good agreement with the results of magnetic relaxation measurements.