Structural Properties of Chromium(III) Iodide and Some Chromium(III) Mixed Halides

Handy, L.L.; Gregory, N. W.

doi:10.1021/ja01124a009

Cited by 72 publications

(46 citation statements)

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“…It should be noted that CrX 3 share similar structural transitions from the low-temperature rhombohedral to high-temperature monoclinic symmetry with CrX 3 : 210 K for CrI 3 , 420 K for CrBr 3 , and 230 K for CrCl 3 , respectively. 22 The interlayer spacing d = 5.8 Å is calculated from the peak positions using Bragg ′ s law nλ = 2dsinθ, consistent with the previously reported value. 23 Here we focus on the low-temperature magnetic properties of CrCl 3 .…”

Section: Resultssupporting

confidence: 87%

Anisotropic magnetocaloric effect and critical behavior in CrCl3

Liu

Petrović

2020

Phys. Rev. B

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We report anisotropic magnetocaloric effect and magnetic critical behavior in van der Waals crystal CrCl3. The maximum magnetic entropy change −∆S max M ∼ 14.6 J kg −1 K −1 and the relative cooling power RCP ∼ 340.3 J kg −1 near Tc with a magnetic field change of 5 T are much larger when compared to CrI3 or CrBr3. The rescaled ∆SM (T, H) curves collapse onto a universal curve, confirming the second order ferromagnetic transition. Further critical behavior analysis around Tc presents a set of critical exponents β = 0.28(1) with Tc = 19.4(2) K, γ = 0.89(1) with Tc = 18.95(8) K, and δ = 4.6(1) at Tc = 19 K, which are close to those of theoretical tricritical mean field model.

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Section: Resultssupporting

confidence: 87%

Anisotropic magnetocaloric effect and critical behavior in CrCl3

Liu

Petrović

2020

Phys. Rev. B

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“…CrBr 3 presents FM magnetic order below 37 K. However, its magnetization curve exhibits no hysteresis 62b,71,72. CrI 3 presents the largest magnetic anisotropy and the highest T C of ≈61 K in the CrX 3 family, with a clear magnetic hysteresis loop at low temperatures . Both the saturation moments in the H ⊥ direction of CrBr 3 and CrI 3 are ≈3μ B , close to the expected value of g S = 3 for trivalent Cr.…”

Section: Bulk Counterparts Of Intrinsic Vdw Magnetsmentioning

confidence: 53%

Intrinsic Van Der Waals Magnetic Materials from Bulk to the 2D Limit: New Frontiers of Spintronics

2019

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2D van der Waals (vdW) magnets, which present intrinsic ferromagnetic/antiferromagnetic ground states at finite temperatures down to atomic‐layer thicknesses, open a new horizon in materials science and enable the potential development of new spin‐related applications. The layered structure of vdW magnets facilitates their atomic‐layer cleavability and magnetic anisotropy, which counteracts spin fluctuations, thereby providing an ideal platform for theoretically and experimentally exploring magnetic phase transitions in the 2D limit. With reduced dimensions, the susceptibility of 2D magnets to a large variety of external stimuli also makes them more promising than their bulk counterpart in various device applications. Here, the current status of characterization and tuning of the magnetic properties of 2D vdW magnets, particularly the atomic‐layer thickness, is presented. Various state‐of‐the‐art optical and electrical techniques have been applied to reveal the magnetic states of 2D vdW magnets. Other emerging 2D vdW magnets and future perspectives on the stacking strategy are also given; it is believed that they will excite more intensive research and provide unprecedented opportunities in the field of spintronics.

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“…This stacking-dependent magnetism mediated by the I octahedrons is not only applicable to bilayer CrI 3 but also for other octahedrally coordinated 2D-magnets, including CrX 3 (X = Cl, Br, I) [17][18][19][20]. Further, our results have important implications in the Moiré physics of 2D-materials [44][45][46].…”

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confidence: 59%

Stacking-Dependent Magnetism in Bilayer CrI₃

et al. 2018

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We report the connection between the stacking order and magnetic properties of bilayer CrI3 using first-principles calculations. We show that the stacking order defines the magnetic ground state. By changing the interlayer stacking order one can tune the interlayer exchange interaction between antiferromagnetic and ferromagnetic. To measure the predicted stacking-dependent magnetism, we propose using linear magnetoelectric effect. Our results not only gives a possible explanation for the observed antiferromagnetism in bilayer CrI3 but also have direct implications in heterostructures made of two-dimensional magnets.

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Structural Properties of Chromium(III) Iodide and Some Chromium(III) Mixed Halides

Cited by 72 publications

References 0 publications

Anisotropic magnetocaloric effect and critical behavior in CrCl3

Anisotropic magnetocaloric effect and critical behavior in CrCl3

Intrinsic Van Der Waals Magnetic Materials from Bulk to the 2D Limit: New Frontiers of Spintronics

Stacking-Dependent Magnetism in Bilayer CrI₃

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Structural Properties of Chromium(III) Iodide and Some Chromium(III) Mixed Halides

Cited by 72 publications

References 0 publications

Anisotropic magnetocaloric effect and critical behavior in CrCl3

Anisotropic magnetocaloric effect and critical behavior in CrCl3

Intrinsic Van Der Waals Magnetic Materials from Bulk to the 2D Limit: New Frontiers of Spintronics

Stacking-Dependent Magnetism in Bilayer CrI3

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Stacking-Dependent Magnetism in Bilayer CrI₃