Tl2ZnI4 — Properties & Data | MatWorld

Tl2ZnI4

ceramic

· JVASP-13113· Tl2ZnI4

Tl2ZnI4 is a mixed-halide ceramic compound combining thallium, zinc, and iodine, belonging to the family of quaternary iodide ceramics. This material is primarily of research interest for optoelectronic and photonic applications, particularly in scintillation detection, radiation sensing, and infrared optical systems where its iodide composition and crystal structure offer favorable light-generation or transmission properties. Engineers evaluating this material should note it is not yet widely commercialized in mainstream applications; its development focuses on specialized detector systems and next-generation imaging technologies where the unique electronic and optical characteristics of mixed-metal halides provide advantages over simpler binary or ternary alternatives.

scintillation detectorsradiation sensorsinfrared opticsresearch photonicsX-ray detectionexperimental semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.881	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	2.798	eV	DFT · OptB88vdW
↳	3.645	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	13.26	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.732	-	DFT · OptB88vdW
↳	4.612	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.203	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.583	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1626	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00159	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00101	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-268.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	340	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.7400	%	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)	-0.6462	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.

Tl2ZnI4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental