Ca2AsI
ceramic· Ca2AsI
Ca2AsI is an inorganic ceramic compound combining calcium, arsenic, and iodine elements. This is a research-phase material studied primarily for its potential in optoelectronic and photonic applications, particularly in the halide perovskite family where mixed-cation compositions are explored for tunable bandgap and light-absorption properties. Ca2AsI represents an experimental candidate for next-generation semiconducting ceramics where arsenic and iodine components may enable unique electronic behavior, though industrial adoption remains limited and the material's stability and scalability require further development.
experimental photovoltaicsoptoelectronic semiconductorshalide perovskite researchradiation detection materialsthin-film device development
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 34.80 | GPa | — | ||
Poisson's Ratio(ν) | 0.2400 | - | — | ||
Shear Modulus(G) | 22.32 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.835 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.499 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 13.48 | - | — | ||
| ↳ | 13.14 | - | — | ||
| ↳ | 9.755 range 6.622–12.89median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -224.3 | µV/K | — |
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.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.529 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
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.