Dy3CuGeSe7 — Properties & Data | MatWorld

Dy3CuGeSe7

metal

· JVASP-26874· Dy3CuGeSe7

Dy3CuGeSe7 is a ternary intermetallic compound combining dysprosium (a rare earth element), copper, germanium, and selenium. This is a research-stage material studied primarily for its potential thermoelectric and electronic properties rather than established industrial production. The compound belongs to the family of rare-earth chalcogenides, which are investigated for next-generation energy conversion, solid-state cooling, and specialized semiconductor applications where rare-earth doping can enhance performance.

thermoelectric energy conversion (research)solid-state cooling devices (experimental)rare-earth semiconductorsmaterials physics researchhigh-performance electronics (advanced development)thermal management systems (emerging)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2522	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.082	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	10.45	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.6133	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.010	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00107	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00116	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-181.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	272.5	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.320	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.

Dy3CuGeSe7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control