Rb3Sb — Properties & Data | MatWorld

Rb3Sb

Name: Rb3Sb
Brand: MatWorld

semiconductor

· Rb3Sb

Rb3Sb is an intermetallic semiconductor compound composed of rubidium and antimony, belonging to the family of alkali-metal pnictide semiconductors. This material is primarily of research interest rather than established industrial production, studied for its electronic and structural properties within fundamental materials science and solid-state physics contexts. Potential applications center on advanced semiconductor devices and thermoelectric systems where its unique electronic structure could offer advantages, though it remains largely in the experimental phase compared to conventional semiconductor alternatives.

Research semiconductorsThermoelectric materialsSolid-state physicsIntermetallic compoundsExperimental electronicsLow-dimensional systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	13.47	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	8.920	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.709	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	1.000	eV	Measured
↳	0.7070	eV	DFT · OptB88vdW
↳	1.398	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.029	-	DFT · OptB88vdW
↳	5.794	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.1600	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.510	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000293	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00214	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-49.65	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	400.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.71	%	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)	-0.4606	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.

Rb3Sb

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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