K2 Hg2 As2

semiconductor

· K2 Hg2 As2

K2Hg2As2 is an intermetallic semiconductor compound combining potassium, mercury, and arsenic elements, belonging to the class of complex metal-based semiconductors. This material is primarily of research and theoretical interest rather than established in commercial production, with potential applications in solid-state electronics and thermoelectric devices where unconventional band structures and heavy-element semiconductors offer opportunities for tuning electronic properties. The compound exemplifies materials exploration in the broader family of mercury- and arsenic-containing semiconductors, which have historically been investigated for specialized optoelectronic and sensing applications despite toxicity and processing challenges that limit widespread industrial adoption.

experimental semiconductor researchthermoelectric device developmentsolid-state electronicsmaterials discovery and screeningspecialized optoelectronic compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	32.98	GPa	—
Shear Modulus(G)	17.75	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.2008	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3770	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

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.

K2 Hg2 As2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control