RbAu3Se2

metal

· RbAu3Se2

RbAu3Se2 is an intermetallic compound combining rubidium, gold, and selenium in a fixed stoichiometric ratio, representing a rare earth-like metal alloy in the gold-selenium chemical family. This is a research-phase material with no established commercial production or widespread industrial deployment; it is studied primarily in condensed matter physics and materials science for its electronic and structural properties as a potential candidate in thermoelectric or quantum materials research. Engineers would encounter this compound only in specialized contexts such as fundamental materials characterization, solid-state device development, or exploratory work in energy conversion or electronic applications where noble metal selenides show promise.

thermoelectric materials researchcondensed matter physics studyquantum material candidatessolid-state electronic devicesintermetallic compound development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	2,612.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	1,132.7	ksi	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.2885	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.663	eV	DFT · OptB88vdW
↳	2.325	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	10.06	-	DFT · OptB88vdW
↳	12.16	-	DFT · PBE
↳	9.493 range 7.706–11.28median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.926	-	DFT · OptB88vdW
↳	5.947	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.3567	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.6967	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00281	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00186	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-209.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	210.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	16.09	%	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)	-0.4248	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

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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.

RbAu3Se2 — Properties & Data | MatWorld

RbAu3Se2

Mechanical Properties

Physical Properties

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