1T-HfTe2 (1T phase Hafnium Ditelluride)

1T HfTe2 Hafnium Ditelluride 1T-HfTe2 is a semimetal. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. Hafnium Ditelluride belongs to the group-IV transition metal dichalcogenides (TMDC). To buy HfTe2 crystals please click here.

The HfTe2 crystals produced at HQ Graphene have a lateral size of ~0.6-0.8 cm, hexagonal shape, and has a metallic appearance.

HfTe2 crystal properties
Crystal size ~6-8 mm
Electrical properties Semimetal
Crystal structure Hexagonal
Unit cell parameters a = b = 0.395 nm, c = 0.666 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 HfTe2 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 HfTe2:

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X-ray diffraction on a HfTe2 single crystal aligned along the (001) plane. XRD was performed at room temperature using a D8 Venture Bruker. The 6 XRD peaks correspond, from left to right, to (00l) with l = 1, 2, 3, 4, 5, 6

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

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

Raman spectrum of a single crystal . Measurement was performed with a 785 nm Raman system at room temperature.

HQ Graphene Wiki on:

1T-HfTe2 (Hafnium Ditelluride)

1. El Youbi, Z., et al. "Bulk and surface electronic states in the dosed semimetallic HfTe 2." Physical Review B 101.23 (2020): 235431.


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