Rb2Sb4S7

ceramic

· JVASP-21248· Rb2Sb4S7

Rb2Sb4S7 is a quaternary sulfide ceramic compound belonging to the metal chalcogenide family, combining rubidium, antimony, and sulfur in a layered crystal structure. This material is primarily of research interest for optoelectronic and solid-state ionic applications rather than established industrial use, with potential relevance to superionic conductors, photovoltaic absorbers, and advanced thermal management systems. Engineers would consider this compound for emerging technologies where its sulfide chemistry offers tunable band gaps, ion transport pathways, or thermal properties distinct from conventional oxides.

solid-state batteriesphotovoltaic researchthermoelectric devicesionic conductorsthin-film optoelectronicslaboratory/experimental applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,093.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	1,746.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1417	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.381	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	9.479	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.4633	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.567	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000929	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000792	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-127	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	249.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	0.00960	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6356	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.

Rb2Sb4S7 — Properties & Data | MatWorld

Rb2Sb4S7

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental