BaS2
ceramic· BaS2
Barium disulfide (BaS₂) is an inorganic ceramic compound belonging to the chalcogenide family, characterized by ionic bonding between barium cations and sulfide anions. This material is primarily of research and specialized industrial interest rather than a commodity ceramic, with applications in optical systems, solid-state chemistry, and emerging semiconductor research where its optical and electronic properties are leveraged.
optical materials researchinfrared windowssolid-state chemistryspecialized ceramicsexperimental semiconductorshigh-temperature chemistry
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 39.31 | GPa | — | ||
Poisson's Ratio(ν) | 0.3400 | - | — | ||
Shear Modulus(G) | 14.77 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.747 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.625 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 10.30 | - | — | ||
| ↳ | 10.44 | - | — | ||
| ↳ | 7.854 range 5.517–10.19median 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) | -319 | 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) | 0.00270 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.575 | 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.