KTaAg2Se4

metal

· JVASP-54924· KTaAg2Se4

KTaAg2Se4 is a ternary intermetallic compound combining potassium, tantalum, silver, and selenium—a selenide-based material with potential applications in solid-state electronics and thermoelectric devices. This is a research-phase compound rather than a commercial material; it belongs to an emerging family of complex metal chalcogenides being investigated for their electronic and phonon-transport properties. Engineers and materials scientists study such compounds primarily to understand structure-property relationships that could lead to improved thermoelectric conversion, ionic conductivity, or photonic applications.

thermoelectric devices (research)solid-state electronics (exploratory)photovoltaic semiconductors (experimental)materials screening and discoverycrystallographic studieslow-dimensional transport phenomena

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.275	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	1.660	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-297.5	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.6490	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.

KTaAg2Se4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control