K4HgAs2

ceramic
· K4HgAs2

K4HgAs2 is an intermetallic ceramic compound containing potassium, mercury, and arsenic elements, representing a rare quaternary phase that falls within the broader family of metal arsenides and mercury-containing ceramics. This is a research-stage material with limited industrial deployment; it is primarily of interest to materials scientists studying layered crystal structures and potential semiconductor or electronic applications in specialized contexts. The material's notable characteristic involves its layered exfoliation behavior, which suggests potential relevance to applications requiring anisotropic properties or nanosheet extraction, though further development and characterization would be necessary before practical engineering adoption.

research and developmentlayered materialselectronic ceramicscrystal structure studiesspecialized semiconductor research

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Exfoliation Energy(Eexf)
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meV/atom——
Verified Unverified Low confidence (<80%) Link to source
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Density(ρ)
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lb/in³——
Verified Unverified Low confidence (<80%) Link to source
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Band Gap(Eg)
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eV——
Dielectric Constant (Relative Permittivity)(εr)3 entries
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↳
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↳
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median of 2 measurements
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Electronic Dielectric Tensor(ε∞)
Matrix (redacted)
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Total Dielectric Tensor(ε)
Matrix (redacted)
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Magnetic Moment(μB)
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µB——
Piezoelectric Modulus(eij)
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C/m²——
Seebeck Coefficient(S)
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µV/K——
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
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eV/atom——
Formation Energy(ΔHf)
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eV/atom——
Verified Unverified Low confidence (<80%) Link to source

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.