Cd1Mn1Se2
Cd1Mn1Se2 is a thermodynamically stable semiconducting compound containing cadmium, manganese, and selenium.
About Cd1Mn1Se2
Cd1Mn1Se2 is a stable inorganic compound composed of cadmium, manganese, and selenium. As a semiconducting material, it occupies a significant position in research due to its structural diversity and defined thermodynamic stability on the convex hull.
This material is of interest for its electronic properties, which are characteristic of transition metal chalcogenides. Its ability to maintain structural integrity across numerous reported configurations makes it a compelling subject for studies involving optoelectronic and magnetic device integration.
Key Properties
Cross-validated computational properties for Cd1Mn1Se2, 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 Cd1Mn1Se2, 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. |
|---|---|---|---|---|---|
| P3m1 (No. 156) | trigonal | 0.21 | 0.0000 | -5.002 | 4.95 |
| Fm-3m (No. 225) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Immm (No. 71) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
| Cmm2 (No. 35) | — | — | — | — | — |
Applications
Where Cd1Mn1Se2 is used.
Frequently Asked Questions
Common questions about Cd1Mn1Se2, answered from cross-validated data.
What is Cd1Mn1Se2?
Cd1Mn1Se2 is a thermodynamically stable semiconducting compound containing cadmium, manganese, and selenium.
What is Cd1Mn1Se2 used for?
What is the band gap of Cd1Mn1Se2?
Is Cd1Mn1Se2 a metal, semiconductor, or insulator?
Is Cd1Mn1Se2 thermodynamically stable?
What is the crystal structure of Cd1Mn1Se2?
What is the density of Cd1Mn1Se2?
How many polymorphs of Cd1Mn1Se2 are known?
What elements does Cd1Mn1Se2 contain?
Where does the data for Cd1Mn1Se2 come from?
How It Compares
As a unique ternary chalcogenide, Cd1Mn1Se2 serves as a foundational example of how integrating manganese into a cadmium-selenium framework can yield stable, semiconducting phases. It represents a versatile building block for exploring complex electronic behaviors in the broader landscape of metal-selenide materials.
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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