YMoO3

YMoO3 is a metastable semiconducting oxide containing yttrium and molybdenum that is studied for its diverse structural configurations.

MoOY
Crystal structure of YMoO3 (orthorhombic, Pnma (No. 62))
Ground-state structure · Materials Project
Overview

About YMoO3

YMoO3 is a complex oxide composed of yttrium, molybdenum, and oxygen. As a semiconducting material, it represents a unique intersection of transition metal chemistry and rare-earth elements, offering intriguing electronic properties that are the subject of ongoing structural investigation. Its metastable nature suggests that its synthesis requires precise control over processing conditions to stabilize its specific atomic arrangement. The existence of multiple reported structures highlights its structural flexibility and the complexity involved in mapping its potential phase space. This compound is of significant interest for researchers exploring novel semiconducting oxides for next-generation electronic and optoelectronic devices. Its ability to adopt various configurations makes it a compelling candidate for fundamental studies into how structural variations influence electronic behavior in ternary oxide systems.

At a glance

Key Properties

Cross-validated computational properties for YMoO3, aggregated across 3 databases.

Band Gap

2.22 eV
Range across DFT structures

Energy Above Hull

0.030 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

14
3 databases, 4 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for YMoO3, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Pnma (No. 62)orthorhombic2.220.0296-9.3286.29
P63cm (No. 185)hexagonal0.000.1794-9.1785.41
P63/mmc (No. 194)hexagonal0.000.2278-9.1305.36
Pm-3m (No. 221)cubic0.000.6047-8.7535.66
P63cm (No. 185)Hexagonal5.41
P63cm (No. 185)Hexagonal6.37
P63cm (No. 185)Hexagonal5.88
Pm-3m (No. 221)
P63cm (No. 185)
Pnma (No. 62)Orthorhombic6.67
Pnma (No. 62)Orthorhombic6.27
P63/mmc (No. 194)
Uses

Applications

Where YMoO3 is used.

Semiconductor researchMaterials science studiesElectronic component development
Reference

Frequently Asked Questions

Common questions about YMoO3, answered from cross-validated data.

What is YMoO3?

YMoO3 is a metastable semiconducting oxide containing yttrium and molybdenum that is studied for its diverse structural configurations.

More questions
What is YMoO3 used for?
YMoO3 is used in semiconductor research, materials science studies, and electronic component development.
What is the band gap of YMoO3?
YMoO3 has a DFT-computed band gap of 2.22 eV across 14 reported structures.
Is YMoO3 a metal, semiconductor, or insulator?
With a band gap up to 2.22 eV it is a semiconductor.
Is YMoO3 thermodynamically stable?
YMoO3 has a lowest energy above hull of 0.030 eV/atom (metastable).
What is the crystal structure of YMoO3?
The lowest-energy reported polymorph of YMoO3 is orthorhombic symmetry, space group Pnma (No. 62).
What is the density of YMoO3?
The computed density of the ground-state structure of YMoO3 is 6.29 g/cm³.
How many polymorphs of YMoO3 are known?
14 structures of YMoO3 are reported across 3 databases, spanning 4 distinct space groups.
What elements does YMoO3 contain?
YMoO3 contains Mo, O, and Y (3 elements).
Where does the data for YMoO3 come from?
YMoO3 data is cross-referenced from materials_project, mpaloe, jarvis.
Comparison

How It Compares

As a distinct ternary oxide, YMoO3 occupies a specialized niche within the broader landscape of molybdenum-based semiconductors, serving as a primary subject for understanding how yttrium incorporation modifies the electronic landscape of the molybdate framework.

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).

Analyze YMoO3 in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →