Dy2TeO2 — Properties & Data | MatWorld

Dy2TeO2

ceramic

· JVASP-3336· Dy2TeO2

Dy₂TeO₂ is a rare-earth tellurite ceramic compound combining dysprosium (a lanthanide) with tellurium and oxygen. This is a specialized research ceramic rather than a commodity material, investigated primarily for optical and electronic applications where rare-earth dopants and tellurite hosts offer unique properties. The material family is notable in photonics and solid-state physics contexts, where dysprosium-containing ceramics are explored for laser gain media, infrared optics, and high-refractive-index optical components.

optical ceramics and photonicsrare-earth doped laser materialsinfrared optical componentsresearch and development materialssolid-state device substrates

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	8.423	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.277	eV	DFT · OptB88vdW
↳	2.023	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	26.77	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.409	-	DFT · OptB88vdW
↳	5.920	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00150	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00495	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-312.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	300.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	22.45	%	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)	-3.161	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.

Dy2TeO2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental