La2HfS5

semiconductor

· La2HfS5

La2HfS5 is a rare-earth hafnium sulfide compound belonging to the family of mixed-metal chalcogenides, combining lanthanum and hafnium in a sulfide matrix. This is a research-phase semiconductor material being investigated for optoelectronic and photocatalytic applications, particularly in UV–visible light absorption and solid-state device structures where the combination of rare-earth and refractory metal elements offers potential advantages in thermal stability and bandgap engineering compared to simple binary sulfides.

photocatalytic materials (research)optoelectronic semiconductors (experimental)UV–visible photodetectorshigh-temperature semiconductor researchthin-film device developmentadvanced materials for energy applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.7000	eV	—

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.

La2HfS5

Electrical Properties

Regulatory Screening

Environmental

Export Control