AsTaO2S

ceramic

· AsTaO2S

AsTaO₂S is an advanced mixed-metal oxide-sulfide ceramic compound containing arsenic, tantalum, oxygen, and sulfur. This is a specialized research material being investigated for semiconducting and photocatalytic applications, particularly in the family of transition-metal chalcogenides that combine high electronegativity elements to achieve tunable electronic band structures. The material remains largely experimental, with potential relevance in optoelectronic devices, photocatalysis for environmental remediation, and next-generation energy conversion systems where conventional oxides or sulfides prove insufficient.

photocatalytic materials (research)semiconducting compoundssolar energy conversionenvironmental remediation catalystsoptoelectronic devices (experimental)high-performance ceramics (development)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	1.496	μB	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.6400	eV/atom	—

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

Regulatory Screening

Environmental

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.

AsTaO2S

Electrical Properties

Other Properties

Regulatory Screening

Environmental