Dy2 S2 I2

semiconductor

· Dy2 S2 I2

Dy₂S₂I₂ is a rare-earth chalcohalide semiconductor compound combining dysprosium with sulfur and iodine. This material belongs to an emerging class of layered semiconductors being investigated for next-generation optoelectronic and quantum applications, where the combination of rare-earth elements with mixed anion chemistry can enable tunable electronic and photonic properties. While currently in the research phase rather than established industrial production, materials in this family show promise for applications requiring specialized bandgaps, strong light-matter interactions, or quantum effects that conventional semiconductors cannot easily achieve.

Experimental optoelectronicsQuantum device researchLayered semiconductor heterostructuresRare-earth photonic materialsAdvanced materials researchTunable bandgap applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	28.78	GPa	—
Shear Modulus(G)	17.25	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.577	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.896	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.

Dy2 S2 I2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control