Strain-tunable magnetic anisotropy in two-dimensional Dirac half-metals: nickel trihalides

Li, Zheng; Zhou, Baozeng; Chen, Luan

doi:10.1039/c9ra06474e

Cited by 28 publications

(22 citation statements)

References 56 publications

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“…58 Nickel trihalides were predicted to be another candidate family with ideal Dirac half metal nature and intrinsic 2D ferromagnetism above room temperature. 59 The estimated magnetic moment was about 1 µ B per Ni 3+ , in consistent with its low spin configuration. Similar trend of magnetic enhancement was observed in NiX 3 from Cl to I.…”

Section: Other M X3: Controversies To Be Verifiedsupporting

confidence: 61%

Ferroic orders in two-dimensional transition/rare-earth metal halides

Dong

2020

APL Materials

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Since the discovery of graphene, two-dimensional materials with atomic level thickness have rapidly grown to be a prosperous field of physical science with interdisciplinary interests, for their fascinating properties and broad applications. Very recently, the experimental observation of ferromagnetism in Cr 2 Ge 2 Te 6 bilayer and CrI 3 monolayer opened a door to pursuit long-absent intrinsic magnetic orders in two-dimensional materials. Meanwhile, the ferroelectricity was also experimentally found in SnTe monolayer and CuInP 2 S 6 few layers. The emergence of these ferroic orders in the two-dimensional limit not only brings new challenges to our physical knowledge, but also provides more functionalities for potential applications. Among various two-dimensional ferroic ordered materials, transition/rare-earth metal halides and their derivants are very common. In this Research Update, based on transition/rare-earth metal halides, the physics of various ferroic orders in two-dimensional will be illustrated. The potential applications based on their magnetic and polar properties will also be discussed.

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Section: Other M X3: Controversies To Be Verifiedsupporting

confidence: 61%

Ferroic orders in two-dimensional transition/rare-earth metal halides

Dong

2020

APL Materials

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“…[177] Actually, this voltage switching of magnetization, together with aforementioned magnetic anisotropy switching [143] by ionic gating, offer exciting opportunities for the construction of next-generation voltage-torque MRAM (Figure 14f), [170,178] which is more energy efficient than SOT/STT-MRAM that relies on current. Moreover, other external stimuli such as strain can also switch the magnetization of vdW magnets, [156] which provides novel strategies to design the memory devices, e.g., the construction of artificial multiferroic devices with vdW ferroelectrics. [179]…”

Section: Perspective Of Vdw Magnets In Spintronicsmentioning

confidence: 99%

van der Waals Magnets: Material Family, Detection and Modulation of Magnetism, and Perspective in Spintronics

2020

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van der Waals (vdW) materials exhibit great potential in spintronics, arising from their excellent spin transportation, large spin–orbit coupling, and high‐quality interfaces. The recent discovery of intrinsic vdW antiferromagnets and ferromagnets has laid the foundation for the construction of all‐vdW spintronic devices, and enables the study of low‐dimensional magnetism, which is of both technical and scientific significance. In this review, several representative families of vdW magnets are introduced, followed by a comprehensive summary of the methods utilized in reading out the magnetic states of vdW magnets. Thereafter, it is shown that various electrical, mechanical, and chemical approaches are employed to modulate the magnetism of vdW magnets. Finally, the perspective of vdW magnets in spintronics is discussed and an outlook of future development direction in this field is also proposed.

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“…Motivated by the search for candidates that show the quantum anomalous Hall (QAH) effect at room temperature, Ni, Pt, and Pd halides have recently been studied computationally. All NiY 3 monolayers were identified to be intrinsic Dirac half-metals with high mobility and high-temperature ferromagnetism, which are requirements for the room-temperature QAH effect. − Similarly, PdCl 3 has been predicted to be a Dirac half-metal with a high Curie temperature in the monolayer form and predicted to transition to a half-metal in the bilayer form and a ferromagnetic metal with increasing number of layers . Monolayers of palladium and platinum bromides and iodides have also been identified as ferromagnetic semiconductors and candidates for the high-temperature QAH effect .…”

Section: Layered Transition Metal Halidesmentioning

confidence: 99%

Polymorphism in Post-Dichalcogenide Two-Dimensional Materials

2021

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Two-dimensional (2D) materials exhibit a wide range of atomic structures, compositions, and associated versatility of properties. Furthermore, for a given composition, a variety of different crystal structures (i.e., polymorphs) can be observed. Polymorphism in 2D materials presents a fertile landscape for designing novel architectures and imparting new functionalities. The objective of this Review is to identify the polymorphs of emerging 2D materials, describe their polymorph-dependent properties, and outline methods used for polymorph control. Since traditional 2D materials (e.g., graphene, hexagonal boron nitride, and transition metal dichalcogenides) have already been studied extensively, the focus here is on polymorphism in post-dichalcogenide 2D materials including group III, IV, and V elemental 2D materials, layered group III, IV, and V metal chalcogenides, and 2D transition metal halides. In addition to providing a comprehensive survey of recent experimental and theoretical literature, this Review identifies the most promising opportunities for future research including how 2D polymorph engineering can provide a pathway to materials by design.

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Strain-tunable magnetic anisotropy in two-dimensional Dirac half-metals: nickel trihalides

Abstract: Combining complete spin-polarization, high-speed conduction electrons, high TC, robust ferromagnetic state and strain-tunable magnetic anisotropy in the monolayer NiX3.

Cited by 28 publications

References 56 publications

Ferroic orders in two-dimensional transition/rare-earth metal halides

Ferroic orders in two-dimensional transition/rare-earth metal halides

van der Waals Magnets: Material Family, Detection and Modulation of Magnetism, and Perspective in Spintronics

Polymorphism in Post-Dichalcogenide Two-Dimensional Materials

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