In2O3
Indium oxide · Indium(III) oxide, Indium sesquioxide
Indium oxide is a versatile semiconductor material known for its high transparency to visible light and electrical conductivity. It is most frequently utilized as a foundational component in thin-film coatings for electronic displays and various optoelectronic devices.
Key Properties
Cross-validated computational properties for Indium oxide, 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 In2O3, 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. |
|---|---|---|---|---|---|
| Ia-3 (No. 206) | cubic | 0.63 | 0.0000 | -6.067 | 7.00 |
| R-3c (No. 167) | trigonal | 0.96 | 0.0207 | -6.046 | 7.19 |
| Pbca (No. 61) | orthorhombic | 0.88 | 0.0311 | -6.035 | 7.32 |
| Pbcn (No. 60) | orthorhombic | 0.76 | 0.0378 | -6.029 | 7.43 |
| Pnma (No. 62) | orthorhombic | 0.58 | 0.2436 | -5.823 | 7.59 |
| Pnma (No. 62) | orthorhombic | 0.22 | 0.2462 | -5.820 | 7.62 |
| P1 (No. 1) | triclinic | 0.68 | 0.4124 | -5.654 | 6.22 |
| P1 (No. 1) | triclinic | 0.67 | 0.5817 | -5.485 | 6.05 |
| P1 (No. 1) | triclinic | 0.00 | 0.6235 | -5.443 | 6.02 |
| C2/m (No. 12) | Monoclinic | — | — | — | 7.19 |
| Cm (No. 8) | Monoclinic | — | — | — | 6.56 |
| P-4m2 (No. 115) | Tetragonal | — | — | — | 7.81 |
Synthesis Routes
Literature-extracted synthesis procedures targeting In2O3.
Applications
Where Indium oxide is used.
Frequently Asked Questions
Common questions about Indium oxide, answered from cross-validated data.
What is In2O3?
Indium oxide is a versatile semiconductor material known for its high transparency to visible light and electrical conductivity. It is most frequently utilized as a foundational component in thin-film coatings for electronic displays and various optoelectronic devices.
What is In2O3 used for?
What is the band gap of In2O3?
Is In2O3 a metal, semiconductor, or insulator?
Is In2O3 thermodynamically stable?
What is the crystal structure of In2O3?
What is the density of In2O3?
How many polymorphs of In2O3 are known?
How is In2O3 synthesized?
What elements does In2O3 contain?
Where does the data for In2O3 come from?
Related Compounds
Other Wide-Bandgap Oxide Semiconductors 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.
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
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