Bi2Te2Se
Bismuth telluride selenide
This compound is a crystalline material known for its specialized electronic properties. It is primarily utilized in the development of advanced thermal management technologies and solid-state cooling devices.
Key Properties
Cross-validated computational properties for Bi2Te2Se, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for Bi2Te2Se, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| R-3m (No. 166) | trigonal | 0.54 | 0.0000 | -36.777 | 7.29 |
| R-3m (No. 166) | — | — | — | — | — |
| R-3m (No. 166) | Trigonal | — | — | — | 7.30 |
| R-3m (No. 166) | Trigonal | — | — | — | 7.10 |
| R-3m (No. 166) | Trigonal | — | — | — | 7.21 |
Applications
Where Bi2Te2Se is used.
Frequently Asked Questions
Common questions about Bi2Te2Se, answered from cross-validated data.
What is Bi2Te2Se?
This compound is a crystalline material known for its specialized electronic properties. It is primarily utilized in the development of advanced thermal management technologies and solid-state cooling devices.
What is Bi2Te2Se used for?
What is the band gap of Bi2Te2Se?
Is Bi2Te2Se a metal, semiconductor, or insulator?
Is Bi2Te2Se thermodynamically stable?
What is the crystal structure of Bi2Te2Se?
What is the density of Bi2Te2Se?
How many polymorphs of Bi2Te2Se are known?
What elements does Bi2Te2Se contain?
Where does the data for Bi2Te2Se come from?
Related Compounds
Other Bismuth Chalcogenide Thermoelectrics in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- mpaloe — Data from mpaloe.
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