Rb2Te5

ceramic

· Rb2Te5

Rb2Te5 is an inorganic ceramic compound composed of rubidium and tellurium, belonging to the chalcogenide family of materials. This is primarily a research-phase compound studied for its potential in thermoelectric and optoelectronic applications, where rubidium tellurides are investigated for thermal-to-electrical energy conversion and infrared sensing. The material is notable within the chalcogenide ceramics class for its layered crystal structure and electronic properties, though it remains largely in academic development rather than established industrial production, making it relevant for researchers exploring next-generation energy harvesting and photonic device materials.

thermoelectric devicesinfrared opticssolid-state physics researchchalcogenide semiconductorsenergy conversion systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	2,834	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	1,547.6	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1767	lb/in³	DFT · OptB88vdW

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Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.2200	eV	DFT · OptB88vdW
↳	0.7650	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	56.27 range 52.02–60.53median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	21.99	-	DFT · OptB88vdW
↳	13.24	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.00667	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.00667	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	25.70	%	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)	-0.5848	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

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.

Rb2Te5 — Properties & Data | MatWorld

Rb2Te5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental