Te2Mo

Molybdenum ditelluride · MoTe2

Molybdenum ditelluride is a transition metal dichalcogenide that exists in layered crystalline forms. It is widely studied for its unique electronic and optical properties, which change significantly depending on its structural phase and layer thickness.

Crystal structure of Te2Mo (hexagonal, P63/mmc (No. 194))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Molybdenum ditelluride, aggregated across 4 databases.

Band Gap

0.62–1.16 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

105
4 databases, 19 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for Te2Mo, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P63/mmc (No. 194)hexagonal0.860.0000-25.9437.23
P-3m1 (No. 164)trigonal1.160.0059-25.9375.45
P-6m2 (No. 187)hexagonal0.620.0077-25.9355.04
P-3m1 (No. 164)trigonal1.050.0114-25.9314.28
P21/m (No. 11)monoclinic0.000.0139-25.9297.08
P-6m2 (No. 187)hexagonal1.070.0216-25.9213.03
P21/m (No. 11)monoclinic0.000.0330-25.9101.46
P21/m (No. 11)Monoclinic6.93
P2/m (No. 10)Monoclinic7.12
P-1 (No. 2)Triclinic5.07
P21/m (No. 11)Monoclinic6.83
Cm (No. 8)Monoclinic7.69
Uses

Applications

Where Molybdenum ditelluride is used.

Semiconductor researchPhotodetectorsField-effect transistorsCatalysis for hydrogen evolutionOptoelectronic devices
Reference

Frequently Asked Questions

Common questions about Molybdenum ditelluride, answered from cross-validated data.

What is Te2Mo?

Molybdenum ditelluride is a transition metal dichalcogenide that exists in layered crystalline forms. It is widely studied for its unique electronic and optical properties, which change significantly depending on its structural phase and layer thickness.

More questions
What is Te2Mo used for?
Molybdenum ditelluride (Te2Mo) is used in semiconductor research, photodetectors, field-effect transistors, catalysis for hydrogen evolution, and optoelectronic devices.
What is the band gap of Te2Mo?
Molybdenum ditelluride (Te2Mo) has a DFT-computed band gap of 0.62–1.16 eV across 105 reported structures.
Is Te2Mo a metal, semiconductor, or insulator?
With a band gap up to 1.16 eV it is a semiconductor.
Is Te2Mo thermodynamically stable?
Yes — Molybdenum ditelluride (Te2Mo) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of Te2Mo?
The lowest-energy reported polymorph of Molybdenum ditelluride (Te2Mo) is hexagonal symmetry, space group P63/mmc (No. 194).
What is the density of Te2Mo?
The computed density of the ground-state structure of Molybdenum ditelluride (Te2Mo) is 7.23 g/cm³.
How many polymorphs of Te2Mo are known?
105 structures of Te2Mo are reported across 4 databases, spanning 19 distinct space groups.
What elements does Te2Mo contain?
Molybdenum ditelluride (Te2Mo) contains Mo and Te (2 elements).
Where does the data for Te2Mo come from?
Te2Mo data is cross-referenced from materials_project, mpaloe.
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Related Compounds

Other Transition-Metal Dichalcogenides in the database.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • mpaloe — Data from mpaloe.

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