Er4 Si4 Ru4

semiconductor
· Er4 Si4 Ru4

Er₄Si₄Ru₄ is a ternary intermetallic compound combining erbium, silicon, and ruthenium—a research-phase material exploring rare-earth transition metal silicides for potential semiconductor and thermoelectric applications. While not yet established in mainstream industrial production, materials in this chemical family are investigated for high-temperature electronics, quantum computing substrates, and advanced energy conversion systems where the combination of rare-earth and refractory metal elements can provide unique electronic and thermal transport properties. The stiff mechanical response reflects the intermetallic bonding character typical of these compounds, positioning them as candidates for brittle but thermally stable functional materials.

high-temperature semiconductors (research)thermoelectric devices (development)quantum device substratesadvanced ceramics and intermetallicsmaterials research and characterizationspecialty electronics

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Shear Modulus(G)
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ksi——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.