KTlO — Properties & Data | MatWorld

KTlO

ceramic

· KTlO

KTlO is a potassium thallium oxide ceramic compound belonging to the mixed-metal oxide family. This material is primarily of research and specialized interest rather than widespread industrial production, with potential applications in optics, solid-state physics, and high-temperature ceramic systems where its crystalline structure and thermal properties may be leveraged. Engineers considering KTlO should evaluate it within the context of emerging functional ceramics, particularly for niche applications requiring specific dielectric or optical characteristics that justify sourcing a less common material.

research ceramicsoptical materials (exploratory)solid-state physics deviceshigh-temperature applicationsmixed-metal oxide compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	26.28	GPa	DFT · OptB88vdW
Exfoliation Energy(Eexf)	110.7	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	14.55	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.119	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.500	eV	DFT · OptB88vdW
↳	2.582	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	13.07	-	DFT · OptB88vdW
↳	10.75	-	DFT · PBE
↳	7.745 range 5.209–10.28median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.142	-	DFT · TBmBJ
↳	5.687	-	DFT · OptB88vdW
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.4467	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.967	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	0.00141	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00147	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-157	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	328.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	11.10	%	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)	-1.124	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.

KTlO

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental