Ca2 Ge4

semiconductor

· Ca2 Ge4

Ca2Ge4 is an intermetallic semiconductor compound composed of calcium and germanium, belonging to the family of alkaline-earth germanides. This material is primarily investigated in research contexts for potential optoelectronic and thermoelectric applications, leveraging germanium's semiconducting properties combined with calcium's structural role in creating stable crystalline phases. While not yet widely deployed in commercial production, materials in this compound class are of interest to researchers exploring alternatives for solid-state devices, photovoltaic systems, and thermal energy conversion where conventional semiconductors face performance limitations.

thermoelectric devices (research)semiconductor researchoptoelectronic materials (exploratory)solid-state physics studiesphase diagram investigationmaterials discovery

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,596.8	ksi	—
Shear Modulus(G)	5,016.4	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01350	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5580	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.

Ca2 Ge4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control