YbC2

ceramic

· JVASP-7691· YbC2

YbC2 is a rare-earth carbide ceramic compound containing ytterbium and carbon, belonging to the family of refractory carbides used in high-temperature and demanding structural applications. This material is primarily of research and specialized industrial interest rather than a commodity ceramic, valued for its potential in extreme-environment applications where thermal stability and hardness are critical. YbC2 and related rare-earth carbides are explored in aerospace, nuclear, and advanced manufacturing contexts where conventional ceramics reach performance limits.

high-temperature structural componentsrefractory liningsaerospace heat shieldsnuclear fuel claddingresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	10,592.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4200	-	DFT · OptB88vdW
Shear Modulus(G)	5,746.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2591	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.142	eV	DFT · OptB88vdW
↳	2.520	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	10.86	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.711	-	DFT · OptB88vdW
↳	3.831	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.4933	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.420	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00210	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00145	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-184.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	352.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	12.28	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02270	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2394	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.

YbC2 — Properties & Data | MatWorld

YbC2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental