YRh5

ceramic

· YRh5

YRh₅ is an intermetallic ceramic compound combining yttrium and rhodium, belonging to the rare-earth transition-metal ceramic family. This material is primarily of research and specialized high-temperature interest, valued in contexts requiring exceptional stiffness and thermal stability where the combination of rare-earth and noble-metal elements can provide oxidation resistance and phase stability. YRh₅ is not widely deployed in mass-production industries but appears in advanced materials research for aerospace, catalytic, and high-temperature structural applications where its dense crystal structure and elastic properties offer potential advantages over conventional ceramics.

high-temperature structural ceramicsaerospace research materialscatalytic substratesrare-earth intermetallicsoxidation-resistant coatingsrefractory compound development

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	25,761.6	ksi	DFT
↳	27,059.7	ksi	DFT · OptB88vdW
↳	25,761.6	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.1965	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.3200	-	DFT · OptB88vdW
↳	0.3134	-	DFT · PBE
Shear Modulus(G)3 entries	10,982.2	ksi	DFT
↳	11,368.1	ksi	DFT · OptB88vdW
↳	10,982.2	ksi	DFT · PBE

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
Density(ρ)	0.3555	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000693	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000696	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-10.71	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-10.75	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)	0.07530	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3177	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.

YRh5 — Properties & Data | MatWorld

YRh5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental