Fe2Ge1Ti1

Fe2Ge1Ti1 is a stable, semiconducting Heusler alloy used in the study of functional intermetallic materials.

Crystal structure of Fe2Ge1Ti1 (cubic, Fm-3m (No. 225))
Ground-state structure · Materials Project
Overview

About Fe2Ge1Ti1

Fe2Ge1Ti1 is a distinct member of the Heusler alloy family, characterized by its semiconducting electronic nature. Its position on the thermodynamic convex hull highlights its structural stability, making it a reliable candidate for fundamental materials research and device integration.

As a ternary intermetallic compound, it plays a vital role in the study of tunable electronic properties within the Heusler class. Its structural integrity supports its use in exploring high-performance functional materials where stable electronic behavior is essential.

At a glance

Key Properties

Cross-validated computational properties for Fe2Ge1Ti1, aggregated across 2 databases.

Band Gap

0.17 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
1 DFT source

Structures

28
2 databases, 18 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for Fe2Ge1Ti1, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Fm-3m (No. 225)cubic0.170.0000-7.8448.17
P4/mmm (No. 123)
P4/mmm (No. 123)
Pmmm (No. 47)
P4/mmm (No. 123)
R-3m (No. 166)
P4mm (No. 99)
C2/m (No. 12)
Cmm2 (No. 35)
Pm (No. 6)
P4/mmm (No. 123)
P2/m (No. 10)
Uses

Applications

Where Fe2Ge1Ti1 is used.

Semiconductor researchFunctional materials developmentElectronic device prototyping
Reference

Frequently Asked Questions

Common questions about Fe2Ge1Ti1, answered from cross-validated data.

What is Fe2Ge1Ti1?

Fe2Ge1Ti1 is a stable, semiconducting Heusler alloy used in the study of functional intermetallic materials.

More questions
What is Fe2Ge1Ti1 used for?
Fe2Ge1Ti1 is used in semiconductor research, functional materials development, and electronic device prototyping.
What is the band gap of Fe2Ge1Ti1?
Fe2Ge1Ti1 has a DFT-computed band gap of 0.17 eV across 28 reported structures.
Is Fe2Ge1Ti1 a metal, semiconductor, or insulator?
With a band gap up to 0.17 eV it is a semiconductor.
Is Fe2Ge1Ti1 thermodynamically stable?
Yes — Fe2Ge1Ti1 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of Fe2Ge1Ti1?
The lowest-energy reported polymorph of Fe2Ge1Ti1 is cubic symmetry, space group Fm-3m (No. 225).
What is the density of Fe2Ge1Ti1?
The computed density of the ground-state structure of Fe2Ge1Ti1 is 8.17 g/cm³.
How many polymorphs of Fe2Ge1Ti1 are known?
28 structures of Fe2Ge1Ti1 are reported across 2 databases, spanning 18 distinct space groups.
What elements does Fe2Ge1Ti1 contain?
Fe2Ge1Ti1 contains Fe, Ge, and Ti (3 elements).
Where does the data for Fe2Ge1Ti1 come from?
Fe2Ge1Ti1 data is cross-referenced from materials_project, aflow.
Comparison

How It Compares

Within the heusler alloys class.

Within the diverse landscape of Heusler alloys, Fe2Ge1Ti1 stands out for its specific semiconducting character compared to more metallic or magnetic siblings like Fe2Sn1Ti1. While many compounds in this class are investigated for their metallic conductivity or complex magnetism, Fe2Ge1Ti1 offers a unique electronic profile that distinguishes it from the broader group of transition metal-based alloys.

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Related Compounds

Other Heusler Alloys in the database.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).

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