Ferroelectric response to interlayer shifting and rotations in trilayer hexagonal Boron Nitride

Cortés, Estay, Emilio A.; Florez, J. M.; Morell, E. Suárez

doi:10.1016/j.jpcs.2022.111086

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2024

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“…18 For example, graphene changes from linear to parabolic dispersion, 19 and even if we rotate the layers, 20 unexpected phenomena such as superconductivity appear. 21 Two layers of polar materials lead to the appearance of spontaneous ferroelectric properties 22,23 in materials like hexagonal boron nitride 24,25 or TMDs. 26 By stacking two ferromagnetic a Departamento de Física Aplicada I, Escuela Politécnica Superior, Universidad de Sevilla, Seville, E-41011, Spain.…”

Section: Introductionmentioning

confidence: 99%

Lattice vibration modes and electron–phonon interactions in monolayer vs. bilayer of transition metal dichalcogenides

Menéndez-Proupin,

Morell,

Marques

et al. 2024

RSC Adv.

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Section: Introductionmentioning

confidence: 99%

Lattice vibration modes and electron–phonon interactions in monolayer vs. bilayer of transition metal dichalcogenides

Menéndez-Proupin,

Morell,

Marques

et al. 2024

RSC Adv.

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Multiresistance states in ferro- and antiferroelectric trilayer boron nitride

Lv,

Wang,

Tian

et al. 2024

Nat Commun

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Stacking two atomic layers together can induce interlayer (sliding) ferroelectricity that is absent in their naturally occurring crystal forms. With the flexibility of two-dimensional materials, more layers could be assembled to give rise to even richer polarization states. Here, we show that three-layer boron nitride can host ferro- and antiferroelectric domains in the same sample. When used as a tunneling junction, the polarization of these domains could be switched in a layer-by-layer procedure, producing multiple resistance states. Theoretical investigation reveals an important role played by the interaction between the trilayer boron nitride and graphene substrate. These findings reveal the great potential and unique properties of 2D sliding ferroelectric materials.

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Ferroelectric response to interlayer shifting and rotations in trilayer hexagonal Boron Nitride

Cited by 2 publications

References 34 publications

Lattice vibration modes and electron–phonon interactions in monolayer vs. bilayer of transition metal dichalcogenides

Lattice vibration modes and electron–phonon interactions in monolayer vs. bilayer of transition metal dichalcogenides

Multiresistance states in ferro- and antiferroelectric trilayer boron nitride

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