Tl1 Cl1

semiconductor

· Tl1 Cl1

Thallium(I) chloride (TlCl) is an ionic semiconductor compound belonging to the halide family, characterized by its layered crystal structure and narrow bandgap properties. Historically used in infrared optical applications and specialized detectors, TlCl remains primarily a research material due to toxicity concerns and the availability of superior alternatives; it is notable within the semiconductor physics community for its unique electronic transport properties and potential in radiation detection applications.

infrared optics and spectroscopyradiation detection (experimental)semiconductor physics researchscintillation detector developmenthalide crystal materialshistorical optical components

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	4,119.1	ksi	—
Shear Modulus(G)	1,696.9	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.208	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.051	eV/atom	—

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

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.

Tl1 Cl1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control