YbLi2Si — Properties & Data | MatWorld

YbLi2Si

ceramic

· JVASP-40067· YbLi2Si

YbLi2Si is a ternary ceramic compound combining ytterbium, lithium, and silicon—a research-phase material that belongs to the family of rare-earth silicates with potential for lightweight, high-stiffness applications. While not yet widely deployed in commercial products, this material class is being investigated for advanced structural ceramics and functional materials where the combination of rare-earth elements and lithium might enable tailored thermal, electrical, or mechanical properties. Engineers would consider such compounds primarily in experimental aerospace, defense, or high-temperature engineering contexts where novel ceramic compositions offer advantages over conventional materials.

Research ceramicsLightweight structural compositesHigh-temperature applicationsRare-earth compound developmentAdvanced aerospace materials (exploratory)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	6,400.5	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1900	-	DFT · OptB88vdW
Shear Modulus(G)	5,137.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1889	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	0.000	eV	DFT · OptB88vdW
↳	0.05800	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	248.6	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00197	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000461	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-114.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	54.79	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.840	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3682	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.

YbLi2Si

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental