CrBr3 (Chromium Bromide)

CrBr3 Chromium Bromide CrBr3 is a ferromagnetic semiconductor 2D material having a Curie temperature of ~37K. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. To buy CrBr3 crystals please click here.

The CrBr3 crystals produced at HQ Graphene have a typical lateral size of ~0.6-0.8 cm, hexagonal shaped and have a metallic appearance. More information about the CrBr3 crystals we sell can be found below.

CrBr3 crystal properties
Crystal size ~7 mm
Electrical properties Ferromagnetic semiconductor (Curie temperature ~37K)
Crystal structure Hexagonal
Unit cell parameters a = 0.630, c = 1.838 nm, α = β = 90°, γ = 120°
Monolayer properties Link to C2DB containing calculated properties
Type Synthetic
Purity >99.995 %
Characterized by XRD, Raman, EDX
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The single crystal CrBr3 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
Raman: 785 nm Raman system

Raman, XRD and EDX on CrBr3:

Click on an image to zoom

X-ray diffraction on a CrBr3 single crystal aligned along the (001) plane. XRD was performed at room temperature using a D8 Venture Bruker. The 4 XRD peaks correspond, from left to right, to (00l) with l = 3, 6, 12, 15

Powder X-ray diffraction (XRD) of a single crystal CrBr3. X-ray diffraction was performed at room temperature using a D8 Venture Bruker.

Stoichiometric analysis of a single crystal CrBr3 by Energy-dispersive X-ray spectroscopy (EDX).

HQ Graphene Wiki on:

CrBr3 (Chromium Bromide)

1. Tang, C., et al. "Magnetic proximity effect in graphene/CrBr3 van der Waals heterostructures." Advanced Materials 32.16 (2020): 1908498.

2. Kozlenko, D.P., et al. "Spin-induced negative thermal expansion and spin-phonon coupling in van der Waals material CrBr3." npj Quantum Materials 6.1 (2021): 19.

3. Fumega, A.O., et al. "Electronic structure and magnetic exchange interactions of Cr-based van der Waals ferromagnets. A comparative study between CrBr 3 and Cr 2 Ge 2 Te 6." Journal of Materials Chemistry C 8.39 (2020): 13582-13589.


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