K6Na3AlSb4 — Properties & Data | MatWorld

K6Na3AlSb4

metal

· JVASP-97400· K6Na3AlSb4

K6Na3AlSb4 is an intermetallic compound belonging to the alkali metal–aluminum–antimony family, combining potassium, sodium, aluminum, and antimony in a defined stoichiometric ratio. This is an experimental or research-phase material with limited industrial deployment; compounds in this chemical family are primarily investigated for thermoelectric applications, where the combination of light alkali metals and heavy antimony can create favorable phonon-scattering behavior. Engineers would consider such materials only in specialized contexts where tunable thermal and electrical properties offer advantages over conventional thermoelectrics or where the specific alkali-metal doping enables unique phase stability or band structure engineering.

thermoelectric devices (research phase)solid-state cooling systemsSeebeck generator developmentintermetallic materials researchthermal management (experimental)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1048	lb/in³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.7950	eV	DFT · OptB88vdW
↳	1.600	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	6.154	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	30.73	%	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)	-0.5631	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.

K6Na3AlSb4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control