Ge4Pt4Se4
Ge4Pt4Se4 is a thermodynamically stable, semiconducting platinum-group alloy used in advanced catalytic research and materials science.
About Ge4Pt4Se4
Ge4Pt4Se4 is a semiconducting member of the platinum-group alloy catalyst class, characterized by its position on the thermodynamic convex hull. This stability ensures that the material maintains its structural integrity under various conditions, making it a robust candidate for specialized catalytic applications.
As a compound featuring germanium, platinum, and selenium, it benefits from the unique electronic properties inherent to its composition. Its semiconducting nature allows for precise tuning of charge carrier behavior, which is essential for developing high-performance catalysts in modern chemical and energy sectors.
Key Properties
Cross-validated computational properties for Ge4Pt4Se4, aggregated across 4 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 Ge4Pt4Se4, 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 | 0.66 | 0.0000 | -5.438 | 10.33 |
| Pca21 (No. 29) | — | — | — | — | — |
| Pca21 (No. 29) | — | — | — | — | — |
| Pca21 (No. 29) | — | — | — | — | — |
| — | — | — | — | — | 8.11 |
| No. 0 | unknown | — | — | — | 2.63 |
Applications
Where Ge4Pt4Se4 is used.
Frequently Asked Questions
Common questions about Ge4Pt4Se4, answered from cross-validated data.
What is Ge4Pt4Se4?
Ge4Pt4Se4 is a thermodynamically stable, semiconducting platinum-group alloy used in advanced catalytic research and materials science.
What is Ge4Pt4Se4 used for?
What is the band gap of Ge4Pt4Se4?
Is Ge4Pt4Se4 a metal, semiconductor, or insulator?
Is Ge4Pt4Se4 thermodynamically stable?
What is the crystal structure of Ge4Pt4Se4?
What is the density of Ge4Pt4Se4?
How many polymorphs of Ge4Pt4Se4 are known?
What elements does Ge4Pt4Se4 contain?
Where does the data for Ge4Pt4Se4 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse landscape of platinum-group alloys, Ge4Pt4Se4 distinguishes itself through its specific semiconducting electronic character. While siblings like GeRu and IrSe2 share similar elemental constituents or structural motifs, Ge4Pt4Se4 occupies a unique niche due to its confirmed thermodynamic stability, positioning it as a reliable reference point for researchers comparing the performance of ternary platinum-group compounds.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
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).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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