Pd1Tc1Y2
Pd1Tc1Y2 is a semiconducting ternary alloy containing palladium, technetium, and yttrium that is studied for its structural complexity within the platinum-group metal class.
About Pd1Tc1Y2
Pd1Tc1Y2 is a complex ternary alloy within the platinum-group metal family, characterized by its semiconducting electronic nature. Its composition reflects the intricate interplay between palladium, technetium, and yttrium, positioning it as a subject of interest for fundamental studies in materials science.
While the compound is currently identified as being thermodynamically unstable relative to its constituent phases, its structural diversity is highlighted by numerous reported configurations. This makes it a compelling candidate for researchers investigating metastable phases and the potential for catalytic activity in non-traditional alloy systems.
Key Properties
Cross-validated computational properties for Pd1Tc1Y2, aggregated across 2 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for Pd1Tc1Y2, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| Immm (No. 71) | orthorhombic | 0.25 | 2.8330 | -20.089 | 0.67 |
| P4/mmm (No. 123) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| R3m (No. 160) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
Applications
Where Pd1Tc1Y2 is used.
Frequently Asked Questions
Common questions about Pd1Tc1Y2, answered from cross-validated data.
What is Pd1Tc1Y2?
Pd1Tc1Y2 is a semiconducting ternary alloy containing palladium, technetium, and yttrium that is studied for its structural complexity within the platinum-group metal class.
What is Pd1Tc1Y2 used for?
What is the band gap of Pd1Tc1Y2?
Is Pd1Tc1Y2 a metal, semiconductor, or insulator?
Is Pd1Tc1Y2 thermodynamically stable?
What is the crystal structure of Pd1Tc1Y2?
What is the density of Pd1Tc1Y2?
How many polymorphs of Pd1Tc1Y2 are known?
What elements does Pd1Tc1Y2 contain?
Where does the data for Pd1Tc1Y2 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Unlike more stable and widely utilized platinum-group alloys such as As2Pt or Ga2Ru, Pd1Tc1Y2 exists in a metastable state above the hull. While siblings like IrSe2 or BaPd often exhibit well-defined catalytic pathways, this compound serves primarily as a structural curiosity within the class, offering a unique electronic environment due to the inclusion of technetium.
Related Compounds
Other Platinum-Group Alloy Catalysts 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).
Analyze Pd1Tc1Y2 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →