Rb2NiAs2

metal

· JVASP-100769· Rb2NiAs2

Rb2NiAs2 is an intermetallic compound composed of rubidium, nickel, and arsenic, belonging to the class of ternary metal arsenides. This is a research-phase material studied primarily in solid-state chemistry and materials science for its potential electronic and structural properties, rather than a widely deployed engineering material in current industrial practice. Interest in this compound family stems from potential applications in thermoelectric devices, magnetic materials research, and semiconductor physics, where the specific combination of alkali metal, transition metal, and pnictogen elements may offer novel electronic band structures or magnetic behavior.

thermoelectric researchsolid-state physicsintermetallic compound studiessemiconductor physicsmaterials characterizationexploratory phase materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1589	lb/in³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.2750	eV	DFT · OptB88vdW
↳	0.3730	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	9.517	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	8.690	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4695	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

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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.

Rb2NiAs2 — Properties & Data | MatWorld

Rb2NiAs2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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