NbOI2 is a semiconductor 2D material and predicted to be a stable ferroelectric above RT. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. To buy NbOI2 crystals please click here.

The NbOI2 crystals produced at HQ Graphene have a typical lateral size of ~0.5cm, needle/plate shaped and have a black metallic appearance. More information about the NbOI2 crystals we sell can be found below.

NbOI2 crystal properties
Crystal size ~4-6mm
Electrical properties Semiconductor
Crystal structure Monoclinic
Unit cell parameters (at 100K) a = 1.513 nm, b = 0.393 nm, c = 7.507 nm, α = γ = 90°, β = 105.42°
Monolayer properties Link to C2DB containing calculated properties
Type Synthetic
Purity >99.995 %
Characterized by XRD, EDX
More information? Please contact us by email or phone

The single crystal NbOI2 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 on NbOI2:

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Single crystal X-ray diffraction (XRD) structure of a single crystal NbOI2. X-ray diffraction was performed at 100K using a D8 Venture Bruker.


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