SmH3O3

ceramic

· JVASP-54693· SmH3O3

SmH₃O₃ is an experimental ceramic compound containing samarium, hydrogen, and oxygen, belonging to the rare-earth hydride oxide family under active research for advanced functional materials. While not yet established in mainstream industrial production, this material represents an emerging class of compounds investigated for applications requiring combinations of ionic conductivity, thermal stability, and mechanical resilience that traditional oxides cannot easily achieve. Engineers considering this material should recognize it as a research-phase compound; its selection would be appropriate only for exploratory projects or specialized applications where novel rare-earth chemistry offers distinct advantages over conventional ceramics.

solid-state ionics (research)high-temperature ceramics (developmental)rare-earth functional materialselectrochemical devices (exploratory)thermal barrier coatings (experimental)advanced refractory applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	11,431.9	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3800	-	DFT · OptB88vdW
Shear Modulus(G)	3,647.7	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1873	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.757	eV	DFT · OptB88vdW
↳	6.126	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.451	-	DFT · OptB88vdW
↳	2.825	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.5533	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.830	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000774	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00111	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-135.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	259.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	-2.029	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.

SmH3O3 — Properties & Data | MatWorld

SmH3O3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental