K2 Rb1 Sb1

semiconductor

· K2 Rb1 Sb1

K₂Rb₁Sb₁ is an intermetallic semiconductor compound composed of potassium, rubidium, and antimony. This is a research-stage material within the family of alkali-metal antimonides, studied for potential applications in thermoelectric devices and solid-state electronics where band-gap engineering and charge-carrier control are valuable. The compound's mixed-alkali composition is of particular interest for tuning electronic properties and exploring phase stability in multicomponent semiconductor systems, though commercial applications remain limited to specialized research contexts.

thermoelectric materials researchsolid-state electronicsband-gap engineering studiesalkali-metal semiconductorsexperimental photovoltaic developmentmaterials screening for semiconducting alloys

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	2,199.8	ksi	—
Shear Modulus(G)	1,563.5	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.032	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5110	eV/atom	—

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.

K2 Rb1 Sb1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control