Cr2 O4

semiconductor

· Cr2 O4

Chromium oxide (Cr₂O₄), a ceramic semiconductor compound, belongs to the family of transition metal oxides and exhibits mixed-valence chromium chemistry. This material is investigated primarily in research and advanced applications for its semiconducting properties, chemical stability, and potential catalytic or sensing capabilities. Industrial adoption remains limited compared to more established ceramics, but Cr₂O₄ shows promise in specialized environments where its combination of hardness, thermal stability, and electronic properties offers advantages over conventional alternatives.

catalytic coatingsgas sensorshigh-temperature ceramicssemiconductor researchwear-resistant coatingsadvanced pigments

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	6,273.8	ksi	—
Shear Modulus(G)	4,054.2	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00430	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.891	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

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.

Cr2 O4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control