Room-temperature zero-field skyrmions
A polar metal Fe3-xGaTe2 with broken inversion symmetry hosts Néel-type skyrmion lattice stable up to 330 K at zero field, outperforming all known vdW magnets.
Zhang, Chenhui · Jiang, Ze · Wa, He · Zhang, Junwei · Yang, Dongsheng · Liu, Yakun · Peng, Yong · Yang, Hongxin · Yang, Hyunsoo
Nature Communications 2024
Skyrmion lattice persists up to 330 K at zero magnetic field
Atomic-resolution STEM reveals off-centered FeII atoms break inversion symmetry
DMI primarily stems from Te sublayers via Fert-Lévy mechanism