TaTe2 (Tantalum Ditelluride)

TaTe2 Tantalum Ditelluride TaTe2 is metal and a charge density waves (CDW) system with Tcdw ~170K. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. Tantalum Ditelluride belongs to the group-V transition metal dichalcogenides (TMDC). To buy TaTe2 crystals please click here.

The TaTe2 crystals produced at HQ Graphene have a typical lateral size of ~0.6-0.8 cm, plate shaped and have a metallic appearance.

TaTe2 crystal properties
Crystal size ~10 mm
Electrical properties Metal, Charge density waves (CDW) system (Tcdw ~170K)
Crystal structure Monoclinic C
Unit cell parameters a = 1.479 nm, b = 0.364, c= 0.934 nm, α = γ = 90°, β = 110.71°
Type Synthetic
Purity >99.995 %
Characterized by XRD, Raman, EDX
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The single crystal TaTe2 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 TaTe2:

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X-ray diffraction on a TaTe2 single crystal aligned along the (001) plane. XRD was performed at room temperature using a D8 Venture Bruker.

Powder X-ray diffraction (XRD) of a single crystal TaTe2. X-ray diffraction was performed at room temperature using a D8 Venture Bruker.

Stoichiometric analysis of a single crystal TaTe2 by Energy-dispersive X-ray spectroscopy (EDX).

Raman spectrum of a single crystal TaTe2. Measurement was performed with a 785 nm Raman system at room temperature.

HQ Graphene Wiki on:

TaTe2 (Tantalum Ditelluride)

1. El Baggari, I., et al. "Direct Visualization of Trimerized States in 1 T′− TaTe 2." Physical Review Letters 125.16 (2020): 165302.

2. Hoque, A., et al. "Charge-spin conversion in layered semimetal Ta Te 2 and spin injection in van der Waals heterostructures." Physical Review Research 2.3 (2020): 033204.

3. Stiehl, G.M., et al. "Current-induced torques with Dresselhaus symmetry due to resistance anisotropy in 2D materials." ACS nano 13.2 (2019): 2599-2605.


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