Dy3CuSiS7 — Properties & Data | MatWorld

Dy3CuSiS7

metal

· JVASP-24936· Dy3CuSiS7

Dy3CuSiS7 is a ternary metal sulfide compound combining dysprosium (a rare earth element), copper, and silicon in a sulfide matrix. This is a research-phase material studied primarily for its potential in thermoelectric and semiconductor applications rather than as an established industrial material. The rare earth dysprosium content and mixed-metal composition position it as a candidate for high-temperature energy conversion or advanced electronic devices, though practical deployment remains limited to laboratory and exploratory engineering contexts.

thermoelectric devicesrare earth compound researchsolid-state electronicshigh-temperature energy conversionmaterials discovery

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2011	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.868	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	16.92	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	8.079	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.9433	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.620	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1631	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00137	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000821	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-218.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	275.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	-1.666	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

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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.

Dy3CuSiS7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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