NiI2 is an antiferromagnetic insulator 2D material having a Néel temperature of ~75K. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. To buy NiI2 crystals please click here.

The NiI2 crystals produced at HQ Graphene have a typical lateral size of ~0.5 cm, plate shaped and have a metallic appearance. More information about the NiI2 crystals we sell can be found below.

NiI2 crystal properties
Crystal size ~5 mm
Electrical properties Antiferromagnetic insulator
Crystal structure Hexagonal
Unit cell parameters a = b = 0.393 nm, c = 1.976 nm, α = β = 90°, γ = 120°
Monolayer properties Link to C2DB containing calculated properties
Type Synthetic
Purity >99.995 %
Characterized by XRD, EDX
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The single crystal NiI2 is characterized using:

XRD: single crystal and powder X-ray diffraction (D8 Venture Bruker and D8 Advance Bruker)
EDX: Energy-dispersive X-ray spectroscopy for stoichiometric analysis

XRD and EDX on NiI2:

Click on an image to zoom

Powder X-ray diffraction (XRD) of a single crystal NiI2. X-ray diffraction was performed at room temperature using a D8 Venture Bruker.

Stoichiometric analysis of a single crystal NiI2 by Energy-dispersive X-ray spectroscopy (EDX).


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