Tm1 Cu2 S2

semiconductor

· Tm1 Cu2 S2

Tm₁Cu₂S₂ is a ternary chalcogenide semiconductor compound combining thulium, copper, and sulfur. This material belongs to the family of metal sulfide semiconductors and is primarily of research interest for optoelectronic and thermoelectric applications, where layered or complex crystal structures can enable tunable band gaps and carrier transport properties.

Thermoelectric devicesOptoelectronic semiconductorsPhotovoltaic researchMaterials science researchRare-earth compound development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00490	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.8490	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.

Tm1 Cu2 S2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control