Mg2O — Properties & Data | MatWorld

Mg2O

ceramic

· JVASP-115227· Mg2O

Mg₂O is a magnesium oxide ceramic compound belonging to the family of alkaline earth oxide ceramics. It is primarily of research and developmental interest rather than established industrial production, as magnesium oxide (MgO) in its stoichiometric or near-stoichiometric forms is more common; Mg₂O represents a reduced or nonstoichiometric variant that exhibits unique defect chemistry. This material is investigated in advanced ceramics research for applications requiring controlled point defects, ionic conductivity, or specialized refractory properties, and holds potential in electrochemistry, solid-state energy storage, and high-temperature structural applications where defect engineering offers performance advantages over conventional MgO.

Advanced ceramics researchSolid electrolytes and ionic conductorsHigh-temperature refractoriesDefect-engineered functional ceramicsEnergy storage and electrochemical devices

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	42.56 range 37.21–47.91median of 2 measurements	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4900	-	DFT · OptB88vdW
Shear Modulus(G)	18.27 range 16.87–19.67median of 2 measurements	GPa	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	1.764 range 1.653–1.874median of 2 measurements	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Filter by

Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	DFT · OptB88vdW

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.5242 range 0.4923–0.5562median of 2 measurements	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.499 range -1.531–-1.467median of 2 measurements	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Mg2O

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental