Cd8Ge2Se12
Cd8Ge2Se12 is a semiconducting inorganic compound containing cadmium, germanium, and selenium that is considered a viable candidate for synthesis.
About Cd8Ge2Se12
Cd8Ge2Se12 is a complex semiconducting chalcogenide composed of cadmium, germanium, and selenium. Its electronic character positions it as a candidate for specialized semiconductor applications where precise control over charge carrier behavior is required.
As a near-hull material, this compound is considered thermodynamically accessible for synthesis in laboratory environments. Its structural complexity and potential for tunable properties make it a compelling subject for researchers investigating novel inorganic frameworks.
Key Properties
Cross-validated computational properties for Cd8Ge2Se12, 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 Cd8Ge2Se12, 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. |
|---|---|---|---|---|---|
| Cc (No. 9) | monoclinic | 0.76 | 0.0217 | -3.422 | 5.32 |
| No. 0 | unknown | — | — | — | 1.43 |
| Cc (No. 9) | — | — | — | — | — |
| Cc (No. 9) | — | — | — | — | — |
| Cc (No. 9) | — | — | — | — | — |
| Cc (No. 9) | — | — | — | — | — |
| Cc (No. 9) | — | — | — | — | — |
Applications
Where Cd8Ge2Se12 is used.
Frequently Asked Questions
Common questions about Cd8Ge2Se12, answered from cross-validated data.
What is Cd8Ge2Se12?
Cd8Ge2Se12 is a semiconducting inorganic compound containing cadmium, germanium, and selenium that is considered a viable candidate for synthesis.
What is Cd8Ge2Se12 used for?
What is the band gap of Cd8Ge2Se12?
Is Cd8Ge2Se12 a metal, semiconductor, or insulator?
Is Cd8Ge2Se12 thermodynamically stable?
What is the crystal structure of Cd8Ge2Se12?
What is the density of Cd8Ge2Se12?
How many polymorphs of Cd8Ge2Se12 are known?
What elements does Cd8Ge2Se12 contain?
Where does the data for Cd8Ge2Se12 come from?
How It Compares
As a unique member of the cadmium-germanium-selenium system, this compound serves as a distinct point of study within the broader landscape of semiconducting chalcogenides, offering a specific stoichiometry that distinguishes its structural and electronic profile from simpler binary or ternary alternatives.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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