Francisco Sánchez-Ochoa
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View article: Twist-angle programmable magnetism in graphene/CrI <sub>3</sub> bilayers
Twist-angle programmable magnetism in graphene/CrI <sub>3</sub> bilayers Open
Graphene shows moiré spin densities, a spin-polarization ratio, spin-polarized minigaps, and a Zeeman splitting by proximity effects with the CrI 3 monolayer; conversely, graphene induces a magnetic exchange enhancement in the CrI 3 monola…
View article: Performance of α-, β- and γ-GeSe Monolayers for Near-Field Radiative Heat Transfer: An Ab Initio Study
Performance of α-, β- and γ-GeSe Monolayers for Near-Field Radiative Heat Transfer: An Ab Initio Study Open
In this work, the performance of three polymorphs of monolayer GeSe for near-field radiative heat transfer (NFRHT) applications is compared. The α, β, and γ phases of this interesting and novel two-dimensional (2D) semiconductor have been …
View article: Magnetic phase emergence in doped-twisted bilayer boron nitride
Magnetic phase emergence in doped-twisted bilayer boron nitride Open
Twisted stacking of two-dimensional systems is changing our understanding of quantum phenomena, such as strongly correlated states and superconductivity. Exploring additional twisted bilayers can uncover phenomena and applications in the s…
View article: Electronic and optical properties in helical trilayer graphene under compression
Electronic and optical properties in helical trilayer graphene under compression Open
Interlayer compression acts as a complementary control parameter to the interlayer rotation angle, allowing precise modulation of the electron–hole asymmetry and significant enhancement of the optical absorption in helical trilayer graphen…
View article: Kekulé distortions in graphene on cadmium sulfide
Kekulé distortions in graphene on cadmium sulfide Open
The deposition of a two-dimensional material on the surface of a three-dimensional crystal can generate superlattices with electronic properties modified through the proximity spin-orbit effect. In this study, we found that Kekulé graphene…
View article: Twisted graphene superlattices: resonating valence bond states and magnetic properties
Twisted graphene superlattices: resonating valence bond states and magnetic properties Open
Resonating valence bond (RVB) states are fundamental for understanding quantum spin liquids in two-dimensional (2D) systems. The RVB state is a collective phenomenon in which spins are uncoupled. 2D lattices such as triangular, honeycomb, …
View article: Atomically Thin Current Pathways in Graphene through Kekulé-O Engineering
Atomically Thin Current Pathways in Graphene through Kekulé-O Engineering Open
We demonstrate that the current flow in graphene can be guided on atomically thin current pathways by the engineering of Kekulé-O distortions. A grain boundary in these distortions separates the system into topologically distinct regions a…
View article: Atomically thin current pathways in graphene through Kekulé-O engineering
Atomically thin current pathways in graphene through Kekulé-O engineering Open
We demonstrate that the current flow in graphene can be guided on atomically thin current pathways by means of the engineering of Kekulé-O distortions. A grain boundary in these distortions separates the system into topological distinct re…
View article: Interlayer angle control of the electronic mini-gaps, band splitting, and hybridization in graphene–WS2 moiré heterostructures
Interlayer angle control of the electronic mini-gaps, band splitting, and hybridization in graphene–WS2 moiré heterostructures Open
Understanding the electronic properties modulation in graphene/tungsten disulfide (G-WS 2 ) at different interlayer angles is essential for promising building blocks of two-dimensional (2D) heterostructures. G-WS 2 heterostructures with fo…
View article: Angle-dependent electron confinement in graphene moiré superlattices
Angle-dependent electron confinement in graphene moiré superlattices Open
In graphene moir\\'e superlattices, electronic interactions between layers are\nmostly hidden as band structures get crowded because of folding, making their\ninterpretation cumbersome. Here, the evolution of the electronic band structure\…
View article: Unfolding method for periodic twisted systems with commensurate Moiré patterns
Unfolding method for periodic twisted systems with commensurate Moiré patterns Open
We present a general unfolding method for the electronic bands of systems with double-periodicity. Within density functional theory with atomic orbitals as basis-set, our method takes into account two symmetry operations of the primitive c…