CdP4 — Properties & Data | MatWorld

CdP4

Name: CdP4
Brand: MatWorld

semiconductor

· CdP4

CdP₄ is a cadmium phosphide compound semiconductor with a layered crystal structure, belonging to the phosphide family of III-V-like semiconductors. This is a research-stage material studied for its electronic and optoelectronic properties, though industrial applications remain limited due to cadmium toxicity concerns and the maturity of competing semiconductor systems. Engineers may investigate CdP₄ for specialized optoelectronic, photovoltaic, or high-pressure device applications where its structural and electronic properties offer advantages over conventional semiconductors, but material availability and environmental/health considerations typically restrict it to laboratory and fundamental research settings.

Optoelectronic researchExperimental photovoltaicsHigh-pressure semiconductor devicesNanostructured electronicsFundamental materials researchPhosphide compound studies

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	7,984.6	ksi	DFT
↳	8,600.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	4,008.2	ksi	DFT
↳	4,359.8	ksi	DFT · OptB88vdW

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
Density(ρ)	0.1345	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	1.050	eV	Measured
↳	0.4810	eV	DFT · OptB88vdW
↳	1.053	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	25.16	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	13.95	-	DFT · OptB88vdW
↳	9.369	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.6767	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.3700	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00195	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00222	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-214.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	185	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.28	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.08759	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.

CdP4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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