BKT Phase Transitions in Magnetic Systems: Formations of Narrow Stripes and Vortex–Antivortex Pairs in a Quasi-2D Ferromagnet K2CuF4
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Formations of Narrow Stripes and Vortex–Antivortex Pairs in a Quasi-Two-Dimensional Ferromagnet K2CuF4
(JPSJ Editors' Choice)
J. Phys. Soc. Jpn.
90,
014702
(2021)
.
Cryogenic Lorentz transmission electron microscopy directly shows that vortex and antivortex pairs emerge in a quasi-two-dimensional ferromagnet K2CuF4. This work may reveal the nature of Berezinskii, Kosterlitz, and Thouless phase transition in a magnetic system.
Formations of Narrow Stripes and Vortex–Antivortex Pairs in a Quasi-Two-Dimensional Ferromagnet K2CuF4
(JPSJ Editors' Choice)
J. Phys. Soc. Jpn.
90,
014702
(2021)
.
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