HeKr — Properties & Data | MatWorld

HeKr

ceramic

· JVASP-128497· HeKr

HeKr is an experimental ceramic compound composed of helium and krypton, representing a rare class of noble gas ceramics under active research. This material family is being investigated for advanced applications requiring extreme chemical inertness and low thermal conductivity, though commercial adoption remains limited and the material's processing and practical engineering viability are still being established.

thermal insulation researchcryogenic applicationsradiation shielding studiesadvanced ceramics researchnoble gas compound systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.183	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions
Band Gap(Eg)	7.991	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	1.853	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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)	-0.00872	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.

HeKr

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental