GaHO2
Gallium oxyhydroxide · Gallium oxide hydroxide
Gallium oxyhydroxide is a chemical compound that serves as a precursor in the synthesis of various gallium-based materials. It is primarily utilized in the development of advanced semiconductors and specialized optical components.
Overview
Key Properties
Cross-validated computational properties for Gallium oxyhydroxide, 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.
1.51–3.26 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.
22
4 databases, 5 space groups
Validation
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of GaHO2. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
1.00 / 1.00
Trust tier: medium
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
0.000 eV
EAH spread across sources
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
2
jarvis, materials_project
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
All match
Crystallography
Reported Structures
Lowest-energy structures reported for GaHO2, 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. |
|---|---|---|---|---|---|
| Pnma (No. 62) | orthorhombic | 3.26 | 0.0000 | -5.978 | 5.20 |
| Pmn21 (No. 31) | orthorhombic | 3.00 | 0.0144 | -5.964 | 5.42 |
| Pnma (No. 62) | orthorhombic | 2.82 | 0.0650 | -5.913 | 4.31 |
| Fdd2 (No. 43) | orthorhombic | 1.81 | 0.2389 | -5.740 | 5.11 |
| Fdd2 (No. 43) | orthorhombic | 1.51 | 0.2399 | -5.738 | 5.13 |
| P1 (No. 1) | triclinic | 1.95 | 0.2618 | -5.717 | 5.08 |
| P1 (No. 1) | triclinic | 1.63 | 0.2672 | -5.711 | 5.13 |
| Pmn21 (No. 31) | Orthorhombic | — | — | — | 5.18 |
| Pnma (No. 62) | Orthorhombic | — | — | — | 5.28 |
| Pnma (No. 62) | — | — | — | — | — |
| Pmn21 (No. 31) | Orthorhombic | — | — | — | 5.49 |
| Pnma (No. 62) | Orthorhombic | — | — | — | 4.31 |
Uses
Applications
Where Gallium oxyhydroxide is used.
Semiconductor manufacturingCatalyst synthesisOptical material production
Reference
Frequently Asked Questions
Common questions about Gallium oxyhydroxide, answered from cross-validated data.
What is GaHO2?
Gallium oxyhydroxide is a chemical compound that serves as a precursor in the synthesis of various gallium-based materials. It is primarily utilized in the development of advanced semiconductors and specialized optical components.
More questions
What is GaHO2 used for?
Gallium oxyhydroxide (GaHO2) is used in semiconductor manufacturing, catalyst synthesis, and optical material production.
What is the band gap of GaHO2?
Gallium oxyhydroxide (GaHO2) has a DFT-computed band gap of 1.51–3.26 eV across 22 reported structures.
Is GaHO2 a metal, semiconductor, or insulator?
With a wide band gap up to 3.26 eV it is an insulator / wide-band-gap material.
Is GaHO2 thermodynamically stable?
Yes — Gallium oxyhydroxide (GaHO2) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of GaHO2?
The lowest-energy reported polymorph of Gallium oxyhydroxide (GaHO2) is orthorhombic symmetry, space group Pnma (No. 62).
What is the density of GaHO2?
The computed density of the ground-state structure of Gallium oxyhydroxide (GaHO2) is 5.20 g/cm³.
How many polymorphs of GaHO2 are known?
22 structures of GaHO2 are reported across 4 databases, spanning 5 distinct space groups.
What elements does GaHO2 contain?
Gallium oxyhydroxide (GaHO2) contains Ga, H, and O (3 elements).
Where does the data for GaHO2 come from?
GaHO2 data is cross-referenced from materials_project, mpaloe, jarvis, cod.
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Related Compounds
Other Transparent Conducting Oxides in the database.
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).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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