Ho2 Ir4
semiconductor· Ho2 Ir4
Ho₂Ir₄ is an intermetallic compound combining holmium (a rare-earth element) with iridium (a noble refractory metal), forming a ceramic-class material. This compound is primarily a research-phase material studied for its potential in high-temperature and corrosion-resistant applications, leveraging the thermal stability of iridium and the magnetic or electronic properties that rare-earth additions can impart. While not yet widely deployed in mainstream engineering, Ho₂Ir₄ belongs to a family of rare-earth–transition-metal intermetallics being investigated for aerospace, catalytic, and advanced electronic device contexts where extreme environmental resistance is critical.
High-temperature structural materialsAerospace research and developmentCorrosion-resistant coatingsThermoelectric or magnetocaloric devicesCatalytic applicationsAdvanced materials research
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| 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
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.