SmDyO3 — Properties & Data | MatWorld

SmDyO3

semiconductor

· SmDyO3

SmDyO3 is a rare-earth oxide ceramic compound combining samarium and dysprosium oxides, belonging to the rare-earth sesquioxide family. This material is primarily investigated in research and emerging applications for its magnetic and thermal properties, particularly in high-temperature magnetic devices, magnetocaloric cooling systems, and specialized optical components where rare-earth doping is advantageous. While not yet widely commercialized, SmDyO3 and similar rare-earth oxides are of growing interest for next-generation energy conversion and cryogenic technologies where conventional materials face performance limitations.

magnetocaloric refrigerationhigh-temperature magnetsrare-earth ceramics researchoptical materials developmentthermal management systemsadvanced ceramics experimentation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	8.151	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.796	eV	DFT · PBE
↳	4.728	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	4.527	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.5600	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.377	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	0.00136	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000533	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-271.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	372.4	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)	0.04130	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-3.027	eV/atom	DFT
↳	-3.701	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

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SmDyO3

Physical Properties

Electrical Properties

Other Properties

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