Ho1 Tl1 S2

semiconductor

· Ho1 Tl1 S2

Ho₁Tl₁S₂ is a ternary chalcogenide semiconductor compound combining holmium, thallium, and sulfur. This is a research-phase material studied for its semiconducting properties; it belongs to the broader family of rare-earth thallium sulfides being investigated for potential optoelectronic and thermoelectric applications where layered chalcogenide structures can offer tunable band gaps and anisotropic transport properties.

experimental semiconductorsthermoelectric materials researchoptoelectronic devicessolid-state physicsrare-earth compoundschalcogenide materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	51.04	GPa	—
Shear Modulus(G)	30.87	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.544	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.626	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.

Ho1 Tl1 S2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control