F3GeTl

F3GeTl is a metastable, wide-gap insulating inorganic compound composed of fluorine, germanium, and thallium.

FGeTl
Crystal structure of F3GeTl (triclinic, P1 (No. 1))
Ground-state structure · Materials Project
Overview

About F3GeTl

F3GeTl is a complex inorganic compound characterized by its wide-gap insulating electronic profile. As a metastable material, it represents a unique structural arrangement of fluorine, germanium, and thallium that exists in a delicate energy state, making it a subject of interest for fundamental materials research.

The compound is noted for its structural diversity, with multiple reported configurations across various databases. Its insulating nature and specific elemental composition suggest potential roles in specialized electronic or optical applications where wide-gap materials are required for high-performance device architectures.

At a glance

Key Properties

Cross-validated computational properties for F3GeTl, aggregated across 3 databases.

Band Gap

3.13–3.36 eV
Range across DFT structures

Energy Above Hull

0.028 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

13
3 databases, 2 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for F3GeTl, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P1 (No. 1)triclinic3.130.0280-17.4475.23
P21/m (No. 11)monoclinic3.360.0552-17.4205.76
5.52
Uses

Applications

Where F3GeTl is used.

Fundamental materials researchSolid-state electronics explorationOptical materials development
Reference

Frequently Asked Questions

Common questions about F3GeTl, answered from cross-validated data.

What is F3GeTl?

F3GeTl is a metastable, wide-gap insulating inorganic compound composed of fluorine, germanium, and thallium.

More questions
What is F3GeTl used for?
F3GeTl is used in fundamental materials research, solid-state electronics exploration, and optical materials development.
What is the band gap of F3GeTl?
F3GeTl has a DFT-computed band gap of 3.13–3.36 eV across 13 reported structures.
Is F3GeTl a metal, semiconductor, or insulator?
With a wide band gap up to 3.36 eV it is an insulator / wide-band-gap material.
Is F3GeTl thermodynamically stable?
F3GeTl has a lowest energy above hull of 0.028 eV/atom (metastable).
What is the crystal structure of F3GeTl?
The lowest-energy reported polymorph of F3GeTl is triclinic symmetry, space group P1 (No. 1).
What is the density of F3GeTl?
The computed density of the ground-state structure of F3GeTl is 5.23 g/cm³.
How many polymorphs of F3GeTl are known?
13 structures of F3GeTl are reported across 3 databases, spanning 2 distinct space groups.
What elements does F3GeTl contain?
F3GeTl contains F, Ge, and Tl (3 elements).
Where does the data for F3GeTl come from?
F3GeTl data is cross-referenced from materials_project, omat24, alexandria.
Comparison

How It Compares

As a unique inorganic entity, F3GeTl occupies a distinct position in materials science research. While it does not share a direct classification with common structural families, its metastable nature and insulating character distinguish it as a specialized candidate for exploring non-equilibrium phase stability in complex halide-based systems.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
  • alexandria — Data from alexandria.

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