K8 Na4 Te2 O12

semiconductor

· K8 Na4 Te2 O12

K8Na4Te2O12 is a mixed-alkali tellurate ceramic compound belonging to the family of tellurium oxide-based semiconductors. This is a research-phase material studied primarily for its electronic and ionic transport properties rather than an established commercial product. Tellurate semiconductors are of scientific interest for solid-state electrolytes, photonic materials, and specialized optical applications where tellurium's high refractive index and electrochemical activity offer advantages over conventional oxide ceramics.

solid-state electrolytes (research)photonic/optical materials (development)ionic conductors (experimental)tellurate ceramics (laboratory scale)energy storage devices (exploratory)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,981.9	ksi	—
Shear Modulus(G)	4,113.3	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.470	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.624	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.

K8 Na4 Te2 O12

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control