Os2TaY

This is a complex ternary intermetallic compound composed of osmium, tantalum, and yttrium. It is primarily studied in materials science research for its structural properties and potential behavior as a high-performance metallic alloy.

OsTaY
Crystal structure of Os2TaY (orthorhombic, Immm (No. 71))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Os2TaY, aggregated across 3 databases.

Band Gap

0.13 eV
Range across DFT structures

Energy Above Hull

4.149 eV/atom
Best (lowest) across sources

Stability

Above hull
2 DFT sources

Structures

6
3 databases, 2 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for Os2TaY, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Immm (No. 71)orthorhombic0.134.1489-39.9371.13
P4/mmm (No. 123)
Uses

Applications

Where Os2TaY is used.

Materials science researchFundamental condensed matter physics studies
Reference

Frequently Asked Questions

Common questions about Os2TaY, answered from cross-validated data.

What is Os2TaY?

This is a complex ternary intermetallic compound composed of osmium, tantalum, and yttrium. It is primarily studied in materials science research for its structural properties and potential behavior as a high-performance metallic alloy.

More questions
What is Os2TaY used for?
Os2TaY is used in materials science research and fundamental condensed matter physics studies.
What is the band gap of Os2TaY?
Os2TaY has a DFT-computed band gap of 0.13 eV across 6 reported structures.
Is Os2TaY a metal, semiconductor, or insulator?
With a band gap up to 0.13 eV it is a semiconductor.
Is Os2TaY thermodynamically stable?
Os2TaY has a lowest energy above hull of 4.149 eV/atom (above hull).
What is the crystal structure of Os2TaY?
The lowest-energy reported polymorph of Os2TaY is orthorhombic symmetry, space group Immm (No. 71).
What is the density of Os2TaY?
The computed density of the ground-state structure of Os2TaY is 1.13 g/cm³.
How many polymorphs of Os2TaY are known?
6 structures of Os2TaY are reported across 3 databases, spanning 2 distinct space groups.
What elements does Os2TaY contain?
Os2TaY contains Os, Ta, and Y (3 elements).
Where does the data for Os2TaY come from?
Os2TaY data is cross-referenced from materials_project, alexandria, nomad.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • alexandria — Data from alexandria.
  • nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).

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