Rb2SnAs2 — Properties & Data | MatWorld

Rb2SnAs2

ceramic

· Rb2SnAs2

Rb2SnAs2 is an intermetallic ceramic compound belonging to the family of rubidium tin arsenides, which are primarily of research and academic interest rather than established commercial materials. This material is investigated in semiconductor and optoelectronic research contexts, particularly for its potential in thermoelectric applications and solid-state physics studies where the combination of rubidium, tin, and arsenic elements offers unique electronic band structure properties. Engineers and researchers would explore this compound in specialized applications requiring materials with specific electrical or thermal transport characteristics, though it remains largely confined to laboratory synthesis and characterization rather than industrial-scale production.

thermoelectric researchsemiconductor physicssolid-state device developmentoptoelectronic materials researchintermetallic compound characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	20.01	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3600	-	DFT · OptB88vdW
Shear Modulus(G)	8.590	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.973	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	1.737	eV	DFT · TBmBJ
↳	0.7570	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	9.931 range 6.876–12.99median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.430	-	DFT · OptB88vdW
↳	6.006	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.1433	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.823	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000961	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000745	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-175	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	250.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	28.60	%	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)	-0.4650	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.

Rb2SnAs2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental