2024
DOI: 10.1039/d3nr05730e
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Sliding ferroelectricity and the moiré effect in Janus bilayer MoSSe

Liyan Lin,
Xueqin Hu,
Ruijie Meng
et al.

Abstract: Two-dimensional van der Waals layered materials have attracted extensive attention in the field of low-dimensional ferroelectricity, on account of their readily delaminated structure and high-density information storage advantages. Here, we...

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Cited by 5 publications
(3 citation statements)
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“…According to CI-NEB calculations, the switching from AB to AC stacking can be realized by sliding the lower layer for a 1/3 lattice period along the [10] direction (red arrows). Figure d traces the system energy along the switching process, which illustrates the bistable states with a low energy barrier of only 16.5 meV and reversible polarizations of ±0.917 pC/m, consistent with prior studies . On the contrary, another sliding path via the AA state shows an energetically unfavorable barrier of 73.3 meV.…”
supporting
confidence: 84%
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“…According to CI-NEB calculations, the switching from AB to AC stacking can be realized by sliding the lower layer for a 1/3 lattice period along the [10] direction (red arrows). Figure d traces the system energy along the switching process, which illustrates the bistable states with a low energy barrier of only 16.5 meV and reversible polarizations of ±0.917 pC/m, consistent with prior studies . On the contrary, another sliding path via the AA state shows an energetically unfavorable barrier of 73.3 meV.…”
supporting
confidence: 84%
“…Figure 1d traces the system energy along the switching process, which illustrates the bistable states with a low energy barrier of only 16.5 meV and reversible polarizations of ±0.917 pC/m, consistent with prior studies. 30 On the contrary, another sliding path via the AA state shows an energetically unfavorable barrier of 73.3 meV. The comparison of two sliding paths is discussed in Section S2.…”
mentioning
confidence: 99%
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