Ba32Ge8P32
This compound belongs to the clathrate family of materials, characterized by a complex cage-like crystal structure. It is primarily studied for its potential in thermoelectric energy conversion and advanced semiconductor research.
Key Properties
Cross-validated computational properties for Ba32Ge8P32, 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 Ba32Ge8P32, 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. |
|---|---|---|---|---|---|
| P-43n (No. 218) | cubic | 1.01 | 0.0000 | -4.691 | 4.28 |
| P-43n (No. 218) | — | — | — | — | — |
| — | — | — | — | — | 4.29 |
Applications
Where Ba32Ge8P32 is used.
Frequently Asked Questions
Common questions about Ba32Ge8P32, answered from cross-validated data.
What is Ba32Ge8P32?
This compound belongs to the clathrate family of materials, characterized by a complex cage-like crystal structure. It is primarily studied for its potential in thermoelectric energy conversion and advanced semiconductor research.
What is Ba32Ge8P32 used for?
What is the band gap of Ba32Ge8P32?
Is Ba32Ge8P32 a metal, semiconductor, or insulator?
Is Ba32Ge8P32 thermodynamically stable?
What is the crystal structure of Ba32Ge8P32?
What is the density of Ba32Ge8P32?
How many polymorphs of Ba32Ge8P32 are known?
What elements does Ba32Ge8P32 contain?
Where does the data for Ba32Ge8P32 come from?
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).
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