Mn1Sb1Tc2
Mn1Sb1Tc2 is a metastable semimetallic compound containing manganese, antimony, and technetium.
About Mn1Sb1Tc2
Mn1Sb1Tc2 is a complex ternary compound composed of manganese, antimony, and technetium. As a metastable material, it represents a unique arrangement of these elements that exists in a delicate energetic state, requiring specific conditions for its formation and preservation.
The electronic structure of this compound is characterized as semimetallic, placing it in a regime where the valence and conduction bands meet with minimal separation. This near-zero-gap behavior makes it a subject of interest for researchers investigating the fundamental physics of unconventional metallic phases.
Key Properties
Cross-validated computational properties for Mn1Sb1Tc2, aggregated across 2 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 Mn1Sb1Tc2, 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. |
|---|---|---|---|---|---|
| Fm-3m (No. 225) | cubic | 0.00 | 0.0411 | -23.190 | 10.21 |
| Immm (No. 71) | orthorhombic | 0.02 | 3.2948 | -19.937 | 0.72 |
| Cmmm (No. 65) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Pmm2 (No. 25) | — | — | — | — | — |
| Immm (No. 71) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
Frequently Asked Questions
Common questions about Mn1Sb1Tc2, answered from cross-validated data.
What is Mn1Sb1Tc2?
Mn1Sb1Tc2 is a metastable semimetallic compound containing manganese, antimony, and technetium.
What is the band gap of Mn1Sb1Tc2?
Is Mn1Sb1Tc2 a metal, semiconductor, or insulator?
Is Mn1Sb1Tc2 thermodynamically stable?
What is the crystal structure of Mn1Sb1Tc2?
What is the density of Mn1Sb1Tc2?
How many polymorphs of Mn1Sb1Tc2 are known?
What elements does Mn1Sb1Tc2 contain?
Where does the data for Mn1Sb1Tc2 come from?
How It Compares
As a unique ternary phase, Mn1Sb1Tc2 occupies a specialized niche in materials science. Without direct structural siblings to compare it to, it stands as an isolated example of how manganese, antimony, and technetium can interact to form a semimetallic lattice, highlighting the diversity of possible configurations within complex multi-element systems.
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).
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