TlNO2

ceramic

· TlNO2

Thallium nitrite (TlNO₂) is an inorganic ceramic compound containing thallium and nitrite functional groups. While not a widely adopted engineering material in mainstream industrial applications, it belongs to a class of metal nitrite ceramics that have been investigated for specialized electrochemical and optical properties in research contexts. The material's potential lies in experimental applications where thallium's unique electronic properties and the nitrite group's reactivity could enable novel device functionality, though toxicity concerns and limited commercial development restrict its practical adoption compared to conventional oxide or nitride ceramics.

experimental electrochemical devicessolid-state researchspecialized optical applicationslaboratory reference materialsthin-film deposition studiesmaterials characterization research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,750.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	1,440.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2217	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.500	eV	DFT · OptB88vdW
↳	2.430	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	79.97	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.973	-	DFT · OptB88vdW
↳	3.905	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.5109	C/m²	DFT · OptB88vdW
↳	0.2317	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.000917	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000672	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-201.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	380	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	14.02	%	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)	0.1108	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4543	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.

TlNO2 — Properties & Data | MatWorld

TlNO2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental