Hf4 As4
semiconductor· Hf4 As4
Hf4As4 is a hafnium arsenide compound semiconductor belonging to the refractory metal-pnictide family, characterized by high thermal and chemical stability. This material is primarily of research and exploratory interest for advanced electronic and optoelectronic applications where extreme operating conditions, wide bandgap semiconducting properties, or high-frequency performance are required. Engineers would consider hafnium arsenides in next-generation power electronics, high-temperature device research, or specialized RF/microwave applications where conventional semiconductors reach their operational limits.
high-temperature electronics researchwide-bandgap semiconductorsrefractory semiconductor compoundsadvanced optoelectronic devicesexperimental materials development
Compliance & Regulations
?ITAR?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | ksi | — | — | |
Shear Modulus(G) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | eV/atom | — | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
Quality & Standards
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.