HfSiSe
ceramic· HfSiSe
HfSiSe is a ternary ceramic compound combining hafnium, silicon, and selenium—a layered material system that bridges traditional refractory ceramics and emerging two-dimensional materials research. This is primarily an experimental composition studied for its potential in high-temperature applications and electronic devices; it belongs to the family of transition-metal chalcogenides being investigated as alternatives to conventional semiconductors and thermal barriers. The material's layered structure and moderate exfoliation energy suggest interest in nanoscale device engineering and heterostructure integration, though industrial deployment remains limited compared to established hafnium-based ceramics.
high-temperature structural ceramicssemiconductor research and developmenttwo-dimensional materials engineeringthermal barrier coatings (experimental)electronics and optoelectronics prototyping
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 11,996.6 | ksi | — | ||
| ↳ | 16,554.6 | ksi | — | ||
Exfoliation Energy(Eexf) | 77.46 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.2400 | - | — | ||
Shear Modulus(G)2 entries | 8,139.3 | ksi | — | ||
| ↳ | 11,398.5 | ksi | — |
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 | |
|---|---|---|---|---|---|
Density(ρ) | 0.3109 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -12.53 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.9926 | 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.