Ca2Ge — Properties & Data | MatWorld

Ca2Ge

Name: Ca2Ge
Brand: MatWorld

semiconductor

· Ca2Ge

Ca2Ge is an intermetallic compound combining calcium and germanium, classified as a semiconductor material with potential applications in advanced electronic and thermoelectric devices. This compound belongs to the family of binary intermetallics and remains largely in the research and development phase, where it is being investigated for its electronic properties and potential use in next-generation solid-state technologies. Engineers would consider Ca2Ge primarily in exploratory projects involving low-dimensional semiconductors, thermoelectric energy conversion, or novel optoelectronic devices where its unique crystal structure and band gap characteristics offer advantages over conventional semiconductors.

thermoelectric devicesresearch semiconductorssolid-state electronicsenergy conversion materialsadvanced materials developmentexperimental optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	37.20	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2300	-	DFT · OptB88vdW
Shear Modulus(G)	25.44	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.779	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.3580	eV	DFT · OptB88vdW
↳	1.000	eV	Measured
Dielectric Constant (Relative Permittivity)(εr)3 entries	19.61	-	DFT · OptB88vdW
↳	29.90	-	DFT · PBE
↳	21.43 range 15.56–27.30median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)	16.79	-	DFT · OptB88vdW
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.1967	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.2600	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00177	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00129	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-177.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	203.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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, or test environment.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01850	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6984	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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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.

Ca2Ge

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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