SmB4Rh4

ceramic

· JVASP-37269· SmB4Rh4

SmB₆Rh₄ is an intermetallic ceramic compound combining samarium hexaboride (SmB₆), a well-known rare-earth boride, with rhodium in a mixed-metal boride structure. This is a specialized research material rather than a commercial grade, belonging to the family of rare-earth borides that are investigated for high-temperature structural applications and advanced ceramic matrix composites. The material's potential lies in applications requiring thermal stability, hardness, and electrical conductivity—properties characteristic of rare-earth borides—though practical engineering use remains limited to laboratory and exploratory development settings.

High-temperature ceramics researchRare-earth boride compoundsAdvanced composite reinforcementThermal barrier coatings (experimental)Materials science R&D

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3372	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	0.000146	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000156	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-8.707	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-9.080	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)	-0.5509	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.

SmB4Rh4 — Properties & Data | MatWorld

SmB4Rh4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental