Dy4Te7 — Properties & Data | MatWorld

Dy4Te7

ceramic

· JVASP-112368· Dy4Te7

Dy₄Te₇ is a dysprosium telluride ceramic compound belonging to the rare-earth chalcogenide family, characterized by mixed-valence metal-anion bonding typical of lanthanide tellurides. This material is primarily of research interest for thermoelectric and semiconductor applications, where rare-earth tellurides are investigated for their potential to convert waste heat to electricity or function in high-temperature electronic devices; it remains largely experimental rather than in widespread industrial production.

thermoelectric materials researchhigh-temperature semiconductorsrare-earth compound developmentthermal energy conversionmaterials characterization studiesspecialty ceramics R&D

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2772	lb/in³	DFT · OptB88vdW

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Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	DFT · OptB88vdW

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)	0.03430	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.287	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

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.

Dy4Te7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental