La4H9 — Properties & Data | MatWorld

La4H9

ceramic

· JVASP-133147· La4H9

La₄H₉ is a rare-earth metal hydride ceramic compound composed of lanthanum and hydrogen, belonging to the family of lanthanide hydrides that exhibit unique ionic and covalent bonding characteristics. This material is primarily of research interest for hydrogen storage applications and advanced ceramic systems, where its high hydrogen content and structural properties make it a candidate for studying hydrogen-material interactions and potential energy storage or catalytic support functions. Compared to conventional hydride ceramics, lanthanide hydrides like La₄H₉ offer distinct phononic and electronic properties relevant to emerging applications in clean energy and materials science.

hydrogen storage researchrare-earth ceramicscatalytic supportsadvanced functional materialsmaterials characterization studiessolid-state hydrogen systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.229	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.00100	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02090	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6886	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.

La4H9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental