Y1 Si2

semiconductor

· Y1 Si2

Y₁Si₂ is a yttrium silicide compound belonging to the refractory ceramic family, characterized by strong covalent bonding between yttrium and silicon atoms. This material is primarily of research and developmental interest for high-temperature structural applications where thermal stability and mechanical integrity are critical, particularly in aerospace and advanced energy systems where conventional metals reach their limits.

High-temperature structural componentsAerospace thermal protectionNuclear reactor materialsAdvanced composite reinforcementResearch phase applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	11,925.3	ksi	DFT · OptB88vdW
Shear Modulus(G)	3,192.7	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00390	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4880	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

Y1 Si2 — Properties & Data | MatWorld

Y1 Si2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control