TbRbS2 — Properties & Data | MatWorld

TbRbS2

ceramic

· JVASP-1663· TbRbS2

TbRbS2 is a ternary sulfide ceramic compound containing terbium and rubidium, belonging to the family of rare-earth metal chalcogenides. This is a research-phase material with limited industrial deployment; it represents an exploratory composition in solid-state chemistry where terbium's rare-earth properties are combined with sulfide bonding to investigate novel electronic, optical, or structural functionalities. Engineers and materials researchers would evaluate this compound primarily in academic or early-stage development contexts where unique property combinations—such as specific electronic behavior, thermal stability, or crystal structure characteristics—align with emerging technologies in quantum materials, optoelectronics, or advanced ceramics.

research and developmentrare-earth compound explorationsolid-state chemistryexperimental ceramicsquantum materials investigationoptical or photonic material candidate

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	47.14	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2400	-	DFT · OptB88vdW
Shear Modulus(G)	30.93	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.680	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.309	eV	DFT · OptB88vdW
↳	3.534	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.502	-	DFT · OptB88vdW
↳	4.275	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.6667	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.550	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00327	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00166	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-268.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	281.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	1.140	%	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)	-2.036	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.

TbRbS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental