TbCrB4 — Properties & Data | MatWorld

TbCrB4

metal

· JVASP-63714· TbCrB4

TbCrB4 is an intermetallic compound combining terbium, chromium, and boron, belonging to the rare-earth transition-metal boride family. This material is primarily of research and developmental interest rather than established in mainstream industrial production, with potential applications in high-temperature structural materials and magnetic systems where rare-earth elements provide enhanced properties. Engineers would consider TbCrB4 for advanced applications requiring combinations of thermal stability, hardness, or magnetic functionality that conventional alloys cannot deliver.

High-temperature structural applications (research phase)Rare-earth intermetallic compoundsCeramic and hard-coating researchMagnetic materials developmentBoride compound systemsAdvanced aerospace/materials science programs

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.141	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.2560	eV	DFT · OptB88vdW
↳	0.2340	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	43.22	-	DFT · OptB88vdW
↳	43.90	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.00333	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.00333	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000406	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00109	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-140.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	134.9	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)	-0.6644	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

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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.

TbCrB4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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