HfCoO2S

ceramic

· HfCoO2S

HfCoO2S is an experimental ternary ceramic compound combining hafnium, cobalt, oxygen, and sulfur—representing an emerging class of mixed-anion ceramics that blend oxide and sulfide chemistry. This material is primarily a research-phase compound being investigated for its potential in catalysis, particularly oxygen evolution reactions (OER) and electrocatalytic applications, where the synergistic combination of transition metal (Co) and refractory metal (Hf) sites may offer improved activity and stability compared to single-phase alternatives.

water splitting electrodesoxygen evolution catalystselectrochemical devicesenergy conversion researchhigh-temperature ceramics

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)	0.7099	μB	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	1.160	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.

HfCoO2S

Electrical Properties

Other Properties

Regulatory Screening

Environmental