Gadolinium halide monolayers: a fertile family of two-dimensional 4f magnets
arXiv:2205.08666 · doi:10.1021/acsaelm.2c00384
Abstract
Two-dimensional (2D) magnets have great potentials for applications in next-generation information devices. Since the recent experimental discovery of intrinsic 2D magnetism in monolayer CrI and few-layer CrGeTe, intensive studies have been stimulated in pursuing more 2D magnets and revealing their intriguing physical properties. In comparison to the magnetism based on electrons, electrons can provide larger magnetic moments and stronger spin-orbit coupling, but have been much less studied in the 2D forms. Only in very recent years, some exciting results have been obtained in this area. In this mini-review, we will introduce some recent progress in 2D Gd halides from a theoretical aspect. It is noteworthy that and orbitals of Gd both play key roles in these materials. For Gd (=I, Br, Cl and F) monolayers and related Janus monolayers, robust ferromagnetism with large exchanges comes from the + hybridization of Gd. The spatially expanded electrons act as a bridge to couple localized spins. For Gd monolayers, the intercalation of metal atoms can dope electrons into Gd's orbitals, which leads to numerous intriguing physical properties, such as ferroelasticity, ferromagnetism, and anisotropic conductance. In brief, Gd halides establish an effective strategy to take advantage of -electron magnetism in 2D materials.
arXiv comment5 figures
References in corpus (32)
- Electric Field Effect in Atomically Thin Carbon Films
- Black phosphorus field-effect transistors
- Phosphorene: A New 2D Material with High Carrier Mobility
- Layer-dependent Ferromagnetism in a van der Waals Crystal down to the Monolayer Limit
- Coupled spin and valley physics in monolayers of MoS2 and other group-VI dichalcogenides
- Discovery of intrinsic ferromagnetism in 2D van der Waals crystals
- Spin torque switching with the giant spin Hall effect of tantalum
- Valley polarization in MoS2 monolayers by optical pumping
- Gate-tunable Room-temperature Ferromagnetism in Two-dimensional FeGeTe
- MoS_2 as an ideal material for valleytronics: valley-selective circular dichroism and valley Hall effect
- Graphene Spintronics
- Electrical Control of 2D Magnetism in Bilayer CrI3
- The Computational 2D Materials Database: High-Throughput Modeling and Discovery of Atomically Thin Crystals
- Ising-Type Magnetic Ordering in Atomically Thin FePS3
- Room Temperature Intrinsic Ferromagnetism in Epitaxial Manganese Selenide Films in the Monolayer Limit
- Magnetic ground state of semiconducting transition metal trichalcogenide monolayers
- Discovery of Intrinsic Ferromagnetic Ferroelectricity in Transition Metal Halides Monolayer
- Type-II multiferroic HfVCF MXene monolayer with high transition temperature
- Aperiodic topological order in the domain configurations of functional materials
- Frustrated Dipole Order Induces Noncollinear Proper Ferrielectricity in Two Dimensions
- A possible way to achieve anomalous valley Hall effect by piezoelectric effect in monolayer
- Ferroelectricity and ferromagnetism in VOI monolayer: the role of Dzyaloshinskii-Moriya interaction
- Valley polarization transition driven by biaxial strain in Janus monolayer
- Prediction of two-dimensional ferromagnetic ferroelectric VOF monolayer
- Tuning Magnetism in Layered Magnet VI: A Theoretical Study
- Ferroic orders in two-dimensional transition/rare-earth metal halides
- Peierls transition driven ferroelasticity in two-dimensional - hybrid magnet
- GdI_2: A New Ferromagnetic Excitonic Solid?
- Ferroelectricity in strained HfCF monolayer
- Multiferroic properties of oxygen functionalized magnetic i-MXene
- Structural reconstruction and anisotropic conductance in -ferromagnetic monolayer
- Noncollinear topological textures in two-dimensional van der Waals materials: From magnetic to polar systems