Creating a three-dimensional intrinsic electric dipole on rotated 
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 bilayers

Poudel, Shiva P.; Marmolejo‐Tejada, Juan M.; E., Roll, Joseph; Mosquera, Martín A.; Barraza‐Lopez, Salvador

doi:10.1103/physrevb.107.195128

Phys. Rev. B

2023

DOI: 10.1103/physrevb.107.195128

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Creating a three-dimensional intrinsic electric dipole on rotated CrI3 bilayers

Shiva P. Poudel

Juan M. Marmolejo‐Tejada

Roll, Joseph E.

et al.

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Cited by 2 publications

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“…45 Recently, the twisted CrI 3 bilayer with coexistence of stacking ferroelectricity and ferromagnetism is also reported, corresponding to a rare 2D multiferroic material. 26,46 In this context, the rising of "slidetronics" 47,48 calls for a deeper understanding of the energetic stability and microscopic origin of the sliding ferroelectricity, and more practical applications based on 2D sliding ferroelectrics. The quest for realistic, 2D sliding FE materials with strong sliding ferroelectricity and new functionality will be beneficial to the development of 2D "slidetronics".…”

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confidence: 99%

Strong Sliding Ferroelectricity and Interlayer Sliding Controllable Spintronic Effect in Two-Dimensional HgI₂ Layers

Chen,

Ding,

Gou

et al. 2024

Nano Lett.

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Exploration of two-dimensional (2D) sliding ferroelectric (FE) materials with experimentally detectable ferroelectricity and value-added novel functionalities is highly sought for the development of 2D "slidetronics". Herein, based on first-principles calculations, we identify the synthesizable van der Waals (vdW) layered crystals HgX 2 (X = Br and I) as a new class of 2D sliding ferroelectrics. Both HgBr 2 and HgI 2 in 2D multilayered forms adopt the preferential stacking sequence, leading to room temperature stable out-of-plane (vertical) ferroelectricity that can be reversed via the sliding of adjacent monolayers. Owing to strong interlayer coupling and interfacial charge rearrangement, 2D HgI 2 layers possess strong sliding ferroelectricity up to 0.16 μC/cm 2 , readily detectable in experiment. Moreover, robust sliding ferroelectricity and interlayer sliding controllable Rashba spin texture of FE-HgI 2 layers enable potential applications as 2D spintronic devices such that the electric control of electron spin detection can be realized at the 2D regime.

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mentioning

confidence: 99%

Strong Sliding Ferroelectricity and Interlayer Sliding Controllable Spintronic Effect in Two-Dimensional HgI₂ Layers

Chen,

Ding,

Gou

et al. 2024

Nano Lett.

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Mechanical, electronic, optical, piezoelectric and ferroic properties of strained graphene and other strained monolayers and multilayers: an update

Naumis,

Herrera,

Poudel

et al. 2023

Rep. Prog. Phys.

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This is an update of a previous review on the subject \cite{Naumis_2017}. Experimental and theoretical advances for straining graphene and other metallic, insulating, ferroelectric, ferroelastic, ferromagnetic and multiferroic 2D materials have been considered. Specific topics of discussion include: (i) methods to induce valley and sublattice polarisation ($\mathbf{P}$) in graphene, (ii) time-dependent strain and its impact on graphene's electronic properties, (iii) the role of local and global strain on superconductivity and other highly correlated and/or topological phases of graphene, inducing polarisation $\mathbf{P}$ on hexagonal boron nitride monolayers {\it via} strain, (iv) measuring strain, and modifying through strain the optoelectronic properties of transition metal dichalcogenides, (v) ferroic 2D materials with intrinsic elastic ($\sigma$), electric ($\mathbf{P}$) and magnetic ($\mathbf{M}$) polarisation under strain, as well as incipient 2D multiferroics and (vi) moir'e bilayers exhibiting flat electronic bands and exotic quantum phase diagrams, and other bilayer or few-layer systems exhibiting ferroic orders tunable by rotations and shear strain. The review features the extremely recent experimental realizations of a tunable two-dimensional Quantum Spin Hall effect in germanene, of monoelemental 2D ferroelectric bismuth, and 2D multiferroic NiI$_2$. The document was structured for a discussion of effects taking place in monolayers first, followed by discussions concerning bilayers and few-layers, and it represents a fresh and up-to-date overview of exciting and newest developments on the fast-paced field of 2D materials.

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Creating a three-dimensional intrinsic electric dipole on rotated CrI3 bilayers

Cited by 2 publications

References 101 publications

Strong Sliding Ferroelectricity and Interlayer Sliding Controllable Spintronic Effect in Two-Dimensional HgI₂ Layers

Strong Sliding Ferroelectricity and Interlayer Sliding Controllable Spintronic Effect in Two-Dimensional HgI₂ Layers

Mechanical, electronic, optical, piezoelectric and ferroic properties of strained graphene and other strained monolayers and multilayers: an update

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Creating a three-dimensional intrinsic electric dipole on rotated CrI3 bilayers

Cited by 2 publications

References 101 publications

Strong Sliding Ferroelectricity and Interlayer Sliding Controllable Spintronic Effect in Two-Dimensional HgI2 Layers

Strong Sliding Ferroelectricity and Interlayer Sliding Controllable Spintronic Effect in Two-Dimensional HgI2 Layers

Mechanical, electronic, optical, piezoelectric and ferroic properties of strained graphene and other strained monolayers and multilayers: an update

Contact Info

Product

Resources

About

Strong Sliding Ferroelectricity and Interlayer Sliding Controllable Spintronic Effect in Two-Dimensional HgI₂ Layers

Strong Sliding Ferroelectricity and Interlayer Sliding Controllable Spintronic Effect in Two-Dimensional HgI₂ Layers