InNaO2

InNaO2 is a stable, semiconducting oxide material utilized in the study and development of transparent electronic and optoelectronic devices.

Crystal structure of InNaO2 (trigonal, R-3m (No. 166))
Ground-state structure · Materials Project
Overview

About InNaO2

InNaO2 is a semiconducting oxide that maintains thermodynamic stability on the convex hull. As a member of the transparent conducting oxide family, it is characterized by its electronic structure which balances optical transparency with electrical conductivity, making it a subject of interest for thin-film device research.

This material is increasingly relevant in the development of next-generation electronic components. Its presence in multiple structural databases highlights its potential utility in specialized semiconductor applications where stable, transparent materials are required for high-performance device integration.

At a glance

Key Properties

Cross-validated computational properties for InNaO2, aggregated across 3 databases.

Band Gap

1.91 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

4
3 databases, 2 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for InNaO2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
R-3m (No. 166)trigonal1.910.0000-5.4785.70
I41/amd (No. 141)
5.42
5.33
Uses

Applications

Where InNaO2 is used.

Optoelectronic devicesTransparent thin-film electronicsSemiconductor research
Reference

Frequently Asked Questions

Common questions about InNaO2, answered from cross-validated data.

What is InNaO2?

InNaO2 is a stable, semiconducting oxide material utilized in the study and development of transparent electronic and optoelectronic devices.

More questions
What is InNaO2 used for?
InNaO2 is used in optoelectronic devices, transparent thin-film electronics, and semiconductor research.
What is the band gap of InNaO2?
InNaO2 has a DFT-computed band gap of 1.91 eV across 4 reported structures.
Is InNaO2 a metal, semiconductor, or insulator?
With a band gap up to 1.91 eV it is a semiconductor.
Is InNaO2 thermodynamically stable?
Yes — InNaO2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of InNaO2?
The lowest-energy reported polymorph of InNaO2 is trigonal symmetry, space group R-3m (No. 166).
What is the density of InNaO2?
The computed density of the ground-state structure of InNaO2 is 5.70 g/cm³.
How many polymorphs of InNaO2 are known?
4 structures of InNaO2 are reported across 3 databases, spanning 2 distinct space groups.
What elements does InNaO2 contain?
InNaO2 contains In, Na, and O (3 elements).
Where does the data for InNaO2 come from?
InNaO2 data is cross-referenced from materials_project, nomad, omat24.
Comparison

How It Compares

Within the transparent conducting oxides class.

Within the diverse family of transparent conducting oxides, InNaO2 occupies a distinct niche compared to more widely utilized siblings like ZnO or BaSnO3. While ZnO is a foundational material in the industry, InNaO2 offers a unique structural alternative, providing researchers with different lattice configurations and electronic properties that complement the established performance profiles of complex oxides like ZnGa2O4 or CaIn2O4.

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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).
  • 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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