Hf3Pb
Hf3Pb is a stable metallic intermetallic compound formed from hafnium and lead.
About Hf3Pb
Hf3Pb is a metallic intermetallic compound composed of hafnium and lead. Its status as a thermodynamically stable phase on the convex hull suggests a robust structural arrangement that is favorable for synthesis and long-term material integrity.
Given its metallic electronic character, this compound is of interest for fundamental studies in solid-state physics and materials science. The high volume of reported structures across various databases underscores its significance as a well-documented subject for researchers investigating heavy-metal intermetallics.
Key Properties
Cross-validated computational properties for Hf3Pb, aggregated across 5 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 Hf3Pb, 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. |
|---|---|---|---|---|---|
| I4/mmm (No. 139) | tetragonal | 0.00 | 0.0000 | -48.006 | 13.86 |
| Pm-3m (No. 221) | cubic | 0.00 | 0.0199 | -47.986 | 13.98 |
| P63/mmc (No. 194) | hexagonal | 0.00 | 0.0317 | -47.975 | 14.02 |
| Pm-3m (No. 221) | Cubic | — | — | — | 13.98 |
| I4/mmm (No. 139) | — | — | — | — | — |
| Pm-3n (No. 223) | — | — | — | — | — |
| I4/mmm (No. 139) | Tetragonal | — | — | — | 13.86 |
| — | — | — | — | — | 13.51 |
| — | — | — | — | — | 13.51 |
| P63/mmc (No. 194) | Hexagonal | — | — | — | 14.40 |
| P63/mmc (No. 194) | Hexagonal | — | — | — | 14.02 |
| Pm-3m (No. 221) | — | — | — | — | — |
Applications
Where Hf3Pb is used.
Frequently Asked Questions
Common questions about Hf3Pb, answered from cross-validated data.
What is Hf3Pb?
Hf3Pb is a stable metallic intermetallic compound formed from hafnium and lead.
What is Hf3Pb used for?
What is the band gap of Hf3Pb?
Is Hf3Pb a metal, semiconductor, or insulator?
Is Hf3Pb thermodynamically stable?
What is the crystal structure of Hf3Pb?
What is the density of Hf3Pb?
How many polymorphs of Hf3Pb are known?
What elements does Hf3Pb contain?
Where does the data for Hf3Pb come from?
How It Compares
As a distinct intermetallic phase, Hf3Pb represents a specific stoichiometry within the hafnium-lead binary system, serving as a foundational example of how these elements combine into stable, metallic crystalline structures.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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