K2 Nd2 Ge2 S8

semiconductor

· K2 Nd2 Ge2 S8

K₂Nd₂Ge₂S₈ is a rare-earth thiogermanate semiconductor compound combining potassium, neodymium, germanium, and sulfur into a layered crystal structure. This is a research-phase material studied for its potential in infrared optics and photonic applications, particularly for mid-infrared transparency and nonlinear optical properties that could exceed conventional sulfide-based semiconductors. The neodymium incorporation adds rare-earth optical activity, making this compound of interest in specialized photonics rather than mainstream industrial production.

infrared optics and windowsnonlinear optical devicesrare-earth photonics researchquantum dot hostslaboratory optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	3,925.7	ksi	—
Shear Modulus(G)	2,346.7	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.272	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.370	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.

K2 Nd2 Ge2 S8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control