K4 Ge2 Se6

semiconductor

· K4 Ge2 Se6

K₄Ge₂Se₆ is a mixed-metal chalcogenide semiconductor compound combining potassium, germanium, and selenium in a layered crystal structure. This material is primarily investigated in research contexts for infrared optics and solid-state electronics, where the selenium and germanium framework creates tunable bandgap characteristics valuable for detecting and manipulating infrared radiation. As an experimental compound rather than an established industrial material, K₄Ge₂Se₆ represents the broader class of chalcogenide semiconductors that offer advantages over traditional materials in mid- to far-infrared applications where transparency and nonlinear optical response are critical.

infrared optics and detectorsnonlinear optical materials (research)solid-state electronics (experimental)thermal imaging systemsfiber optics and waveguidesnext-generation photonic devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	17.76	GPa	—
Shear Modulus(G)	9.133	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.589	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9120	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.

K4 Ge2 Se6

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control