NbRhO4 — Properties & Data | MatWorld

NbRhO4

ceramic

· NbRhO4

NbRhO4 is a mixed-metal oxide ceramic compound combining niobium and rhodium in a pyrochlore or related crystal structure. This material is primarily of research interest rather than established in high-volume production, belonging to a family of complex oxides explored for their potential in high-temperature applications, electrochemical systems, and materials with specialized thermal or electrical properties. Engineers would consider NbRhO4-based ceramics where cost is secondary to achieving specific functional properties like thermal stability, chemical inertness, or catalytic behavior in demanding environments.

high-temperature ceramics (research phase)mixed-metal oxide compoundsthermal barrier applicationscatalytic substratesadvanced materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	237.9	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3600	-	DFT · OptB88vdW
Shear Modulus(G)	105.0	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.265	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	0.8540	eV	DFT · OptB88vdW
↳	0.7960	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	42.88	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	11.24	-	DFT · OptB88vdW
↳	10.57	-	DFT · TBmBJ
Electron Effective Mass(m*e)	2.800	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.383	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.2285	C/m²	DFT · OptB88vdW
↳	0.7973	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00169	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00146	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-389.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	284.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	26.27	%	DFT · TBmBJ

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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.03500	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.923	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.

NbRhO4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental