RbAuSe — Properties & Data | MatWorld

RbAuSe

metal

· RbAuSe

RbAuSe is an intermetallic compound combining rubidium, gold, and selenium, belonging to the family of ternary metal chalcogenides. This is a research-phase material not yet established in commercial production; compounds in this class are investigated for their electronic and structural properties relevant to advanced functional materials. The material's combination of heavy elements (Au, Se) with an alkali metal (Rb) suggests potential applications in thermoelectric devices, solid-state electronics, or photonic materials where the unique electronic band structure and layered crystal chemistry could offer advantages over conventional semiconductors.

Thermoelectric devices (research)Semiconductor materials (exploratory)Solid-state electronics (lab-scale)Photonic/optoelectronic compounds (experimental)Materials with tunable electronic propertiesLow-dimensional or layered material systems

Compliance & Regulations

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Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	17.77	GPa	DFT · OptB88vdW
Exfoliation Energy(Eexf)	345.2	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)	9.160	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.167	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.966	eV	DFT · OptB88vdW
↳	2.936	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	11.95	-	DFT · OptB88vdW
↳	10.88	-	DFT · PBE
↳	6.875 range 4.890–8.861median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.598	-	DFT · OptB88vdW
↳	4.428	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.6100	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.863	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	0.00179	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00127	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-197.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	230.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.440	%	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)	-0.7840	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

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RbAuSe

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