K2 Ca2 Bi2

semiconductor

· K2 Ca2 Bi2

K₂Ca₂Bi₂ is an intermetallic semiconductor compound combining potassium, calcium, and bismuth elements, representing an emerging material in the family of complex metal-rich semiconductors. This is primarily a research-stage compound with potential applications in thermoelectric energy conversion and solid-state electronics, where bismuth-containing materials are valued for their ability to manipulate charge carrier behavior at the atomic scale. Engineers consider such compounds when designing next-generation thermoelectric devices or exploring novel semiconductor platforms where conventional silicon-based alternatives are cost-prohibitive or functionally limited.

thermoelectric energy harvestingsolid-state cooling devicesresearch semiconductor platformsthermal-to-electric conversionadvanced functional materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	18.41	GPa	—
Shear Modulus(G)	9.787	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.098	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7850	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 Ca2 Bi2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control