Hf2
semiconductor· Hf2
Hf2 is a hafnium-based binary compound semiconductor, likely a hafnium dihalide or similar intermetallic phase with semiconducting electronic properties. This material belongs to the family of refractory metal compounds that combine high thermal stability with semiconductor characteristics, making it of interest in specialized electronics and high-temperature applications where conventional semiconductors fail. The compound's notable stiffness and low density suggest potential for advanced electronic devices, radiation-hard components, or high-temperature sensor systems, though it remains primarily a research-stage material rather than a widely commercialized product.
High-temperature electronicsRadiation-hardened semiconductorsRefractory compound researchWide-bandgap device developmentAerospace sensor applicationsNuclear environment components
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 112.0 | GPa | — | ||
| ↳ | 18.07 | GPa | — | ||
Poisson's Ratio(ν) | 0.3000 | - | — | ||
Shear Modulus(G)2 entries | 50.93 | GPa | — | ||
| ↳ | 8.600 | GPa | — |
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) | 2.177 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.00650 | eV | — | ||
| ↳ | 0.6200 | eV | — | ||
Magnetic Moment(μB) | 1.000 | µB | — |
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) | 0.1874 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | 0.000 | eV/atom | — | ||
| ↳ | -0.8257 | 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
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.