KThCuS3

Name: KThCuS3
Brand: MatWorld

semiconductor

· KThCuS3

KThCuS3 is an experimental ternary semiconductor compound combining potassium, thorium, copper, and sulfur elements, representing a research-phase material in the broader family of chalcogenide semiconductors. This compound has not achieved widespread industrial adoption and remains primarily of academic interest for fundamental studies of mixed-metal sulfide systems and their electronic properties. The material's potential lies in niche applications where unconventional band structures or thermoelectric behavior could offer advantages, though practical engineering deployment would require significant development work to demonstrate scalability, stability, and cost-effectiveness compared to established semiconductor alternatives.

experimental semiconductor researchchalcogenide studiesthermoelectric evaluationsolid-state physicslaboratory characterizationband structure engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	6,103.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	3,604.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1748	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	2.026	eV	DFT · OptB88vdW
↳	2.385	eV	DFT · TBmBJ
↳	2.950	eV	Measured
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.359	-	DFT · OptB88vdW
↳	5.595	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000976	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000951	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-200.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	376.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	14.82	%	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)	-1.602	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.

KThCuS3 — Properties & Data | MatWorld

KThCuS3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control