O8 Ca2 Au4

semiconductor

· O8 Ca2 Au4

O8Ca2Au4 is an intermetallic semiconductor compound combining calcium, oxygen, and gold in a stoichiometric ratio. This material represents an experimental research compound rather than an established commercial product; intermetallic semiconductors of this type are investigated for potential applications in thermoelectric devices, optoelectronic components, and high-temperature electronic systems where the combination of metallic bonding and semiconducting electronic properties could offer advantages over conventional semiconductors or intermetallics. The inclusion of gold suggests research focus on materials with enhanced electrical or thermal transport properties, though practical adoption remains limited pending further development and cost-effectiveness analysis.

thermoelectric devices (research stage)high-temperature semiconductorsintermetallic electronic compoundsmaterials with mixed metallic-semiconducting characteroptoelectronic research applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	111.8	GPa	—
Shear Modulus(G)	53.23	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.691	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.269	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.

O8 Ca2 Au4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control