Nd3SiAgSe7 — Properties & Data | MatWorld

Nd3SiAgSe7

metal

· JVASP-49375· Nd3SiAgSe7

Nd₃SiAgSe₇ is a rare-earth intermetallic compound containing neodymium, silicon, silver, and selenium—a quaternary phase that sits at the intersection of rare-earth chemistry and chalcogenide materials. This is primarily a research-phase compound studied for its potential in thermoelectric and optoelectronic applications; it is not currently established in high-volume industrial production. The material's multi-component structure makes it a candidate for investigating novel phonon scattering mechanisms and tunable electronic properties, particularly where engineered thermal or electrical transport behavior is desired in specialized devices.

thermoelectric device researchrare-earth compound developmentsolid-state physics studiesexperimental electronicsadvanced materials characterization

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	6.184	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.507	eV	DFT · OptB88vdW
↳	2.109	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	16.64	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.338	-	DFT · OptB88vdW
↳	6.700	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.003	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.347	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1625	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00123	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000970	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-206.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	263	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	20.61	%	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)	-1.393	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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Nd3SiAgSe7

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