Sr1 Al1 O3
semiconductor· Sr1 Al1 O3
SrAl2O4 is an aluminate ceramic compound belonging to the family of alkaline-earth aluminates, characterized by a crystal structure that readily incorporates activator ions for luminescent applications. This material is primarily investigated for persistent phosphorescence and thermoluminescence, where it serves as a host lattice for rare-earth dopants (typically europium or dysprosium), making it valuable in safety-critical visibility applications. Engineers select strontium aluminate over alternative phosphor ceramics because of its superior afterglow duration, photostability, and non-toxicity, positioning it as the preferred choice for emergency lighting, signage, and safety markers in low-light environments.
persistent phosphor/afterglow applicationsemergency exit signage and safety markersluminescent coatings and paintsdosimetry and radiation detectionphotonic ceramics researchnon-toxic glow-in-the-dark materials
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | 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.