K1 Te2 Er1

semiconductor

· K1 Te2 Er1

K₁Te₂Er₁ is an experimental ternary semiconductor compound combining potassium, tellurium, and erbium. This material belongs to the emerging class of mixed-metal telluride semiconductors, with potential applications in thermoelectric devices and infrared optics where rare-earth doping can enhance functional properties. Research into such compounds typically targets next-generation energy conversion and photonic systems where traditional binary semiconductors reach performance limits.

thermoelectric energy conversion (research stage)infrared detector systemsrare-earth doped semiconductorsquantum materials researchphotonic device developmenthigh-temperature electronics (experimental)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	4,618.6	ksi	DFT · OptB88vdW
Shear Modulus(G)	3,130.9	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.331	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.455	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

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.

K1 Te2 Er1 — Properties & Data | MatWorld

K1 Te2 Er1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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