CdGeAs2 — Properties & Data | MatWorld

CdGeAs2

Name: CdGeAs2
Brand: MatWorld

semiconductor

· CdGeAs2

CdGeAs₂ is a ternary III-V compound semiconductor combining cadmium, germanium, and arsenic in a chalcopyrite crystal structure. It is primarily a research and specialized optoelectronic material valued for its tunable bandgap and nonlinear optical properties, particularly in the infrared spectrum where it enables frequency conversion and parametric amplification applications. While less common than binary semiconductors like GaAs, CdGeAs₂ is notable for its potential in mid-infrared laser systems, optical parametric oscillators, and radiation detection, though current industrial deployment remains limited and material development continues in academic and defense research settings.

infrared optics and photonicsparametric amplificationfrequency conversionmid-infrared detectorsnonlinear optical devicesresearch semiconductor

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	7,862.5	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	4,045.1	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1919	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.6100	eV	Measured
↳	0.1450	eV	DFT · OptB88vdW
↳	0.5230	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	23.22	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	20.28	-	DFT · OptB88vdW
↳	13.18	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.7109	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00125	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00230	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-95.83	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	233.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	16.37	%	DFT · TBmBJ

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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.06465	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

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.

CdGeAs2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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