RbCaH3 — Properties & Data | MatWorld

RbCaH3

ceramic

· RbCaH3

RbCaH3 is a metal hydride ceramic compound combining rubidium, calcium, and hydrogen, representing an emerging class of hydrogen-storage and solid-state ion-conducting materials under active research. This compound is not yet established in mainstream industrial production but is studied primarily in the context of hydrogen energy storage systems and solid-state battery electrolytes, where its hydrogen content and ionic conductivity potential offer advantages over conventional ceramic electrolytes. Engineers considering RbCaH3 should recognize it as an experimental material relevant to next-generation energy storage and hydrogen economy applications, rather than a proven production material.

hydrogen storage systemssolid-state battery electrolytesadvanced energy researchionic conductor applicationshydrogen economy materialsresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	26.13	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1900	-	DFT · OptB88vdW
Shear Modulus(G)	20.66	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.330	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	3.345	eV	DFT · OptB88vdW
↳	4.936	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	10.07	-	DFT · OptB88vdW
↳	11.55	-	DFT · PBE
↳	7.517 range 3.312–11.72median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.183	-	DFT · OptB88vdW
↳	2.507	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.5500	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.100	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00218	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00148	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-212.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	433.6	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)	0.01020	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5169	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.

RbCaH3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental