YAgSe2
metal· YAgSe2
YAgSe₂ is an intermetallic compound combining yttrium, silver, and selenium in a layered crystal structure, representing an emerging material in the rare-earth metal family with potential semiconducting or semimetallic properties. This material remains largely in the research phase, with study focused on understanding its electronic and mechanical behavior for next-generation applications requiring combination of rare-earth stability and noble-metal conductivity. Its yttrium-silver-selenium composition positions it as a candidate for specialty electronics, thermoelectric systems, or photonic devices where conventional alloys prove insufficient.
thermoelectric devicesrare-earth electronics researchhigh-temperature semiconductor applicationsphotonic materials developmentspecialty alloy researchadvanced metallurgical compounds
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 54.21 | GPa | — | ||
Poisson's Ratio(ν) | 0.3000 | - | — | ||
Shear Modulus(G) | 24.59 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.055 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.6200 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 23.63 | - | — | ||
| ↳ | 23.81 | - | — | ||
| ↳ | 15.23 range 9.967–20.50median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.2018 | C/m² | — | ||
Seebeck Coefficient(S) | -205.4 | 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) | 0.03320 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.252 | 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.