Hedgehog-like spin texture in Sb-doped MnBi$_2$Te$_4$

We employ spin- and angle-resolved photoemission spectroscopy and circular-dichroism ARPES to systematically investigate the spin texture of Sb-doped MnBi $_{2}$ Te $_{4}$ . Our results display a hedgehog-like spin texture in this system which is signified by reversed-orienting out-of-plane spins at the Dirac gap. Our finding reveals the presence of time-reversal symmetry breaking, implying the possibility for realization of high-temperature quantum anomalous Hall effect.

Hedgehog-like spin texture in Sb-doped MnBi $_{2}$ Te $_{4}$

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Hedgehog-like spin texture in Sb-doped MnBi $_{2}$ Te $_{4}$

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Hedgehog-like spin texture in Sb-doped MnBi22​Te44​

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Hedgehog-like spin texture in Sb-doped MnBi22​Te44​

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Hedgehog-like spin texture in Sb-doped MnBi $_{2}$ Te $_{4}$

讲解博客

AI智能校验

Hedgehog-like spin texture in Sb-doped MnBi $_{2}$ Te $_{4}$

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