K2CuP — Properties & Data | MatWorld

K2CuP

metal

· K2CuP

K2CuP is an intermetallic compound combining potassium, copper, and phosphorus. This is an experimental research material rather than an established engineering alloy; compounds in this family are typically investigated for their electrochemical properties, potential catalytic behavior, or fundamental solid-state physics characteristics. While not yet widely deployed in production applications, materials combining alkali metals with transition metals and phosphorus are of interest in energy storage, advanced catalysis, and next-generation electronic materials research.

Research and developmentElectrochemical applicationsCatalytic materialsExperimental alloysPhosphide compound studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.759	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.248	eV	DFT · OptB88vdW
↳	1.777	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	12.57	-	DFT · OptB88vdW
↳	12.75	-	DFT · PBE
↳	8.959 range 6.530–11.39median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.298	-	DFT · OptB88vdW
↳	5.600	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000993	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000823	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-129	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	350.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	27.76	%	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)	-0.4474	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.

K2CuP

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control