ErAgSe2 — Properties & Data | MatWorld

ErAgSe2

metal

· JVASP-103489· ErAgSe2

ErAgSe2 is an intermetallic compound combining erbium, silver, and selenium, belonging to the rare-earth metal chalcogenide family. This is a research-stage material with potential applications in thermoelectric or optoelectronic devices, where the combination of rare-earth and precious-metal elements offers tunable electronic and thermal properties. Engineers evaluating this material should note it remains primarily in academic development rather than established industrial production.

thermoelectric devicessemiconductor researchoptoelectronic compoundsrare-earth alloysexperimental/prototype applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	9,466.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	3,385.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2802	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.255	eV	DFT · OptB88vdW
↳	1.824	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.163	-	DFT · OptB88vdW
↳	6.977	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.327	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.5833	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00176	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000577	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-240.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	132.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	26.84	%	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)	0.09750	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.140	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

Export Control

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.

ErAgSe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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