B16Ho4W4
This compound is a complex boride containing holmium and tungsten. It is primarily studied in the context of solid-state chemistry and materials science research regarding rare-earth metal borides.
BHoW
Overview
Key Properties
Cross-validated computational properties for B16Ho4W4, 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.
0.27 eV
Range across DFT structures
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.
0.000 eV/atom
Best (lowest) across sources
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.
On hull (stable)
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
3
3 databases, 1 space group
Crystallography
Reported Structures
Lowest-energy structures reported for B16Ho4W4, 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. |
|---|---|---|---|---|---|
| Pbam (No. 55) | orthorhombic | 0.27 | 0.0000 | -7.978 | 10.32 |
| Pbam (No. 55) | — | — | — | — | — |
| Pbam (No. 55) | — | — | — | — | — |
Uses
Applications
Where B16Ho4W4 is used.
Materials science researchSolid-state physics studies
Reference
Frequently Asked Questions
Common questions about B16Ho4W4, answered from cross-validated data.
What is B16Ho4W4?
This compound is a complex boride containing holmium and tungsten. It is primarily studied in the context of solid-state chemistry and materials science research regarding rare-earth metal borides.
More questions
What is B16Ho4W4 used for?
B16Ho4W4 is used in materials science research and solid-state physics studies.
What is the band gap of B16Ho4W4?
B16Ho4W4 has a DFT-computed band gap of 0.27 eV across 3 reported structures.
Is B16Ho4W4 a metal, semiconductor, or insulator?
With a band gap up to 0.27 eV it is a semiconductor.
Is B16Ho4W4 thermodynamically stable?
Yes — B16Ho4W4 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of B16Ho4W4?
The lowest-energy reported polymorph of B16Ho4W4 is orthorhombic symmetry, space group Pbam (No. 55).
What is the density of B16Ho4W4?
The computed density of the ground-state structure of B16Ho4W4 is 10.32 g/cm³.
How many polymorphs of B16Ho4W4 are known?
3 structures of B16Ho4W4 are reported across 3 databases, spanning 1 distinct space group.
What elements does B16Ho4W4 contain?
B16Ho4W4 contains B, Ho, and W (3 elements).
Where does the data for B16Ho4W4 come from?
B16Ho4W4 data is cross-referenced from materials_project, aflow, nomad.
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).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
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