Ge2Rb4S6
Ge2Rb4S6 is a stable semiconducting compound composed of germanium, rubidium, and sulfur.

About Ge2Rb4S6
Ge2Rb4S6 is a complex quaternary chalcogenide that exhibits semiconducting electronic behavior. As a thermodynamically stable phase residing on the convex hull, it represents a well-defined structural arrangement of germanium, rubidium, and sulfur atoms.
This material is of significant interest to researchers investigating novel semiconductors for optoelectronic and sensing technologies. Its stable configuration provides a reliable foundation for exploring the interplay between its constituent elements and their influence on electronic properties.
Key Properties
Cross-validated computational properties for Ge2Rb4S6, 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 Ge2Rb4S6, 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. |
|---|---|---|---|---|---|
| C2/m (No. 12) | monoclinic | 2.28 | 0.0000 | -4.363 | 3.03 |
| C2/m (No. 12) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 0.77 |
Applications
Where Ge2Rb4S6 is used.
Frequently Asked Questions
Common questions about Ge2Rb4S6, answered from cross-validated data.
What is Ge2Rb4S6?
Ge2Rb4S6 is a stable semiconducting compound composed of germanium, rubidium, and sulfur.
What is Ge2Rb4S6 used for?
What is the band gap of Ge2Rb4S6?
Is Ge2Rb4S6 a metal, semiconductor, or insulator?
Is Ge2Rb4S6 thermodynamically stable?
What is the crystal structure of Ge2Rb4S6?
What is the density of Ge2Rb4S6?
How many polymorphs of Ge2Rb4S6 are known?
What elements does Ge2Rb4S6 contain?
Where does the data for Ge2Rb4S6 come from?
How It Compares
As a distinct member of the rubidium-germanium-sulfur system, this compound serves as a baseline for understanding the structural diversity of complex chalcogenides. It occupies a stable position in the chemical space, offering a unique electronic profile that differentiates it from simpler binary or ternary counterparts.
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).
Analyze Ge2Rb4S6 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →