CaHI

ceramic

· CaHI

CaHI is an experimental ceramic compound in the calcium hydride family, currently under investigation in materials research rather than established in mainstream industrial production. This material is of particular interest in the hydrogen storage and advanced ceramics communities, where researchers are exploring its potential for energy applications and as a precursor to other functional ceramic systems. Its notable characteristics within this research context include layered crystal structure and properties that make it a candidate for studying hydrogen interaction mechanisms in solid-state systems.

hydrogen storage researchadvanced ceramics developmentsolid-state energy materialsmaterials physics researchemerging energy applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	4,007.4	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	48.83	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2200	-	DFT · OptB88vdW
Shear Modulus(G)	2,657.1	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1427	lb/in³	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	3.616	eV	DFT · OptB88vdW
↳	4.238	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	9.204	-	DFT · OptB88vdW
↳	7.830	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.771	-	DFT · OptB88vdW
↳	4.179	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.6700	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.357	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	0.00207	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00143	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-220.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	309.6	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)	-1.230	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.

CaHI — Properties & Data | MatWorld

CaHI

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental