Bi1Mn1Te2
Bi1Mn1Te2 is a semiconducting bismuth-manganese-telluride compound that serves as a promising subject for research into thermoelectric and magnetic materials.
About Bi1Mn1Te2
Bi1Mn1Te2 belongs to the bismuth chalcogenide family, a class of materials widely recognized for their semiconducting properties and potential in energy conversion technologies. As a near-hull compound, it is considered a viable candidate for experimental synthesis and further investigation into its structural stability. Its specific composition of bismuth, manganese, and tellurium positions it as a unique candidate for exploring magnetic and thermoelectric coupling in solid-state systems. The material is of significant interest for researchers aiming to tune electronic transport properties through chemical substitution. Its role in the broader class of chalcogenides highlights the ongoing effort to discover new phases that can outperform traditional thermoelectric materials.
Key Properties
Cross-validated computational properties for Bi1Mn1Te2, 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 Bi1Mn1Te2, 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 | 0.49 | 0.0107 | -33.697 | 6.71 |
| Immm (No. 71) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
Applications
Where Bi1Mn1Te2 is used.
Frequently Asked Questions
Common questions about Bi1Mn1Te2, answered from cross-validated data.
What is Bi1Mn1Te2?
Bi1Mn1Te2 is a semiconducting bismuth-manganese-telluride compound that serves as a promising subject for research into thermoelectric and magnetic materials.
What is Bi1Mn1Te2 used for?
What is the band gap of Bi1Mn1Te2?
Is Bi1Mn1Te2 a metal, semiconductor, or insulator?
Is Bi1Mn1Te2 thermodynamically stable?
What is the crystal structure of Bi1Mn1Te2?
What is the density of Bi1Mn1Te2?
How many polymorphs of Bi1Mn1Te2 are known?
What elements does Bi1Mn1Te2 contain?
Where does the data for Bi1Mn1Te2 come from?
How It Compares
Within the bismuth chalcogenide thermoelectrics class.
Within the diverse group of bismuth chalcogenides, Bi1Mn1Te2 stands out due to the inclusion of manganese, which introduces magnetic character not typically found in standard thermoelectric compounds like Bi2Te3 or Bi2Se3. While Bi2Te3 remains the benchmark for thermoelectric efficiency, Bi1Mn1Te2 offers a distinct electronic landscape that may allow for the manipulation of spin-polarized transport, setting it apart from the more conventional binary chalcogenides in this class.
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).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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