Ge16Se36
Ge16Se36 is a thermodynamically stable semiconducting binary compound consisting of germanium and selenium.
About Ge16Se36
Ge16Se36 is a semiconducting compound composed of germanium and selenium. As a thermodynamically stable phase located on the convex hull, it represents a robust configuration within the germanium-selenium binary system, offering predictable structural integrity for materials research. Its electronic character makes it a subject of interest for those investigating chalcogenide-based semiconductors. The material is primarily studied for its fundamental role in understanding complex phase formation and atomic arrangements in non-stoichiometric semiconductor systems. Its stability suggests potential utility in specialized electronic or optical devices where consistent material properties are required under varying conditions.
Key Properties
Cross-validated computational properties for Ge16Se36, 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 Ge16Se36, 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. |
|---|---|---|---|---|---|
| Pca21 (No. 29) | orthorhombic | 1.22 | 0.0000 | -4.407 | 4.07 |
| Pca21 (No. 29) | — | — | — | — | — |
| Pca21 (No. 29) | — | — | — | — | — |
| Pca21 (No. 29) | — | — | — | — | — |
| Pca21 (No. 29) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.10 |
Applications
Where Ge16Se36 is used.
Frequently Asked Questions
Common questions about Ge16Se36, answered from cross-validated data.
What is Ge16Se36?
Ge16Se36 is a thermodynamically stable semiconducting binary compound consisting of germanium and selenium.
What is Ge16Se36 used for?
What is the band gap of Ge16Se36?
Is Ge16Se36 a metal, semiconductor, or insulator?
Is Ge16Se36 thermodynamically stable?
What is the crystal structure of Ge16Se36?
What is the density of Ge16Se36?
How many polymorphs of Ge16Se36 are known?
What elements does Ge16Se36 contain?
Where does the data for Ge16Se36 come from?
How It Compares
As a distinct member of the germanium-selenium system, Ge16Se36 serves as a critical reference point for understanding the structural diversity of chalcogenide semiconductors. It occupies a stable position within the chemical space, providing a benchmark for researchers analyzing how specific germanium-to-selenium ratios influence electronic behavior and thermodynamic resilience.
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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