DySiIr — Properties & Data | MatWorld

DySiIr

Name: DySiIr
Brand: MatWorld

ceramic

· DySiIr

DySiIr is an intermetallic ceramic compound containing dysprosium, silicon, and iridium. This material belongs to the family of rare-earth transition metal silicides, which are primarily of research interest for high-temperature structural applications. DySiIr and related compounds in this family are investigated for potential use in extreme thermal environments where conventional superalloys reach their limits, though practical industrial deployment remains limited and the material is best considered an advanced research compound rather than an established engineering material.

High-temperature structural researchAerospace propulsion conceptsRefractory intermetallic studiesThermal barrier applicationsMaterials science experimentationNext-generation composite matrices

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	11.71	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	Measured
Thermoelectric Power Factor(PF)2 entries	0.000157	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000176	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-7.367	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-7.890	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.053	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

DySiIr

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental