CaSe
ceramic· CaSe
Calcium selenide (CaSe) is an inorganic ceramic compound belonging to the rock-salt structured family of binary chalcogenides. It is primarily of research and specialized industrial interest, used in applications requiring infrared optical properties, semiconductor research, and high-temperature structural applications where its ionic bonding provides thermal stability. Engineers consider CaSe for niche optoelectronic and photonic applications where its optical transparency in the infrared spectrum offers advantages over more conventional ceramics, though its commercial availability and mechanical reliability in service remain limited compared to established engineering ceramics.
infrared optics and windowssemiconductor researchhigh-temperature ceramicsphotonic devicesthermal management systemsmaterials research and development
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 7,571 | ksi | — | ||
Poisson's Ratio(ν) | 0.2200 | - | — | ||
Shear Modulus(G) | 5,360.6 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1377 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 4.870 | eV | — | ||
| ↳ | 2.137 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 12.47 | - | — | ||
| ↳ | 11.86 | - | — | ||
| ↳ | 5.187 range 3.979–6.394median 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) | -206.4 | 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)2 entries | -1.908 | eV/atom | — | ||
| ↳ | -2.176 | eV/atom | — |
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
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.