RbBeH3 — Properties & Data | MatWorld

RbBeH3

ceramic

· JVASP-38251· RbBeH3

RbBeH3 is a complex hydride ceramic composed of rubidium, beryllium, and hydrogen—a material class that remains largely experimental and of primary research interest rather than established industrial production. This compound belongs to the family of metal hydrides and complex hydrides being investigated for hydrogen storage, energy applications, and advanced ceramic systems, with potential relevance in next-generation energy infrastructure if synthesis and stability challenges can be overcome. The material's position in the rare-earth and alkali-metal hydride space makes it notable for fundamental materials science studies, though practical engineering adoption remains limited due to handling complexity and the experimental maturity of the compound.

hydrogen storage researchadvanced ceramics developmentenergy storage systemsmaterials chemistry experimentationsolid-state physics studiesexperimental high-density materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	13.08	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3300	-	DFT · OptB88vdW
Shear Modulus(G)	5.350	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	1.811	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.140	eV	DFT · OptB88vdW
↳	5.647	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.466	-	DFT · OptB88vdW
↳	1.918	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.5867	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.127	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000687	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000712	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-124	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	279.1	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2107	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.

RbBeH3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental