S4 Mn2 Sn1

semiconductor

· S4 Mn2 Sn1

S₄Mn₂Sn₁ is a ternary intermetallic semiconductor compound combining sulfur, manganese, and tin. This is a research-phase material within the family of transition-metal chalcogenides, primarily of interest for its electronic and thermal properties rather than structural applications. It represents an emerging class of compounds being investigated for thermoelectric conversion, optoelectronic devices, and solid-state energy applications where the tunable band structure and mixed-valence chemistry of manganese-tin-sulfur systems offer potential advantages over binary or simpler ternary alternatives.

thermoelectric generatorsoptoelectronic devicessolid-state energy conversionsemiconducting thin filmsresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,276.1	ksi	—
Shear Modulus(G)	4,026.2	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00600	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4780	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.

S4 Mn2 Sn1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control