KAcTe2

ceramic

· JVASP-40948· KAcTe2

KAcTe2 is a ternary ceramic compound composed of potassium, acetate/actinium, and tellurium elements, representing an experimental or niche research material rather than a widely commercialized ceramic. This material family is of interest in specialized applications requiring specific electronic, optical, or thermal properties that conventional oxides or semiconductors cannot provide. The compound's potential relevance lies in advanced materials research contexts, particularly where tellurium-based ceramics offer advantages in infrared optics, thermoelectric devices, or solid-state chemistry applications.

Research and developmentInfrared optical materialsThermoelectric devicesSolid-state electronicsMaterials characterization studiesHigh-performance ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	5,971.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	3,451.9	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2289	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.9670	eV	DFT · OptB88vdW
↳	1.599	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	25.34	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.983	-	DFT · OptB88vdW
↳	6.784	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.4800	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
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00264	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00289	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-198.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	205.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	30.77	%	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)	-1.415	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

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.

KAcTe2 — Properties & Data | MatWorld

KAcTe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental