Al2 Cr4 O8

semiconductor

· Al2 Cr4 O8

Al₂Cr₄O₈ is a mixed-valence chromium-aluminum oxide ceramic compound belonging to the spinel or related oxide family. This material is primarily of research interest for its potential as an electronic ceramic and semiconductor, with applications in high-temperature sensing, catalysis, and potentially as a component in advanced oxide electronics. Its mixed-cation structure and semiconducting behavior make it notable for studying oxide ion conductivity and redox chemistry, though it remains largely experimental compared to more established oxide semiconductors like TiO₂ or ZnO.

High-temperature sensorsCatalytic materials (research)Oxide electronics (experimental)Solid-state chemistryThermal barrier coatings (potential)Gas sensing applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00300	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.308	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.

Al2 Cr4 O8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control