YTmO3

semiconductor

· YTmO3

YTmO3 is a rare-earth oxide ceramic compound combining yttrium and thulium oxides, belonging to the family of lanthanide-based semiconducting ceramics. This material is primarily investigated in research contexts for applications requiring high-temperature stability and optical properties, particularly in photonics and solid-state device development where rare-earth doping and ceramic matrix compositions offer advantages in thermal management and radiation resistance compared to conventional semiconductors.

high-temperature ceramicsoptical devices and photonicsradiation-resistant materialssolid-state lasersthermal management applicationsresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2673	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.869	eV	DFT · PBE
↳	4.958	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	4.344	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	1.143	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.917	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)2 entries	0.000	μB	DFT
↳	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00159	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000942	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-323.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	334.2	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.07430	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-3.070	eV/atom	DFT
↳	-3.818	eV/atom	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.

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.

YTmO3 — Properties & Data | MatWorld

YTmO3

Physical Properties

Electrical Properties

Other Properties

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