Ca1In1Te2
Ca1In1Te2 is a metastable semiconducting chalcogenide compound investigated for its potential role in advanced phase-change memory technologies.
About Ca1In1Te2
Ca1In1Te2 is a semiconducting compound belonging to the class of phase-change memory materials. As a metastable system, it exhibits structural characteristics that make it an intriguing subject for research into reversible phase transitions for data storage applications. Its unique composition of calcium, indium, and tellurium positions it as a specialized candidate within the broader family of chalcogenide-based memory devices.
This material is primarily studied for its potential utility in non-volatile memory architectures, where rapid switching between structural states is essential. By leveraging its electronic character, researchers aim to optimize its performance for high-density, low-power memory solutions that rely on the distinct physical properties of its crystalline and amorphous phases.
Key Properties
Cross-validated computational properties for Ca1In1Te2, 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 Ca1In1Te2, 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. |
|---|---|---|---|---|---|
| I422 (No. 97) | tetragonal | 0.69 | 0.0639 | -22.785 | 4.88 |
| I-4m2 (No. 119) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
| Amm2 (No. 38) | — | — | — | — | — |
Applications
Where Ca1In1Te2 is used.
Frequently Asked Questions
Common questions about Ca1In1Te2, answered from cross-validated data.
What is Ca1In1Te2?
Ca1In1Te2 is a metastable semiconducting chalcogenide compound investigated for its potential role in advanced phase-change memory technologies.
What is Ca1In1Te2 used for?
What is the band gap of Ca1In1Te2?
Is Ca1In1Te2 a metal, semiconductor, or insulator?
Is Ca1In1Te2 thermodynamically stable?
What is the crystal structure of Ca1In1Te2?
What is the density of Ca1In1Te2?
How many polymorphs of Ca1In1Te2 are known?
What elements does Ca1In1Te2 contain?
Where does the data for Ca1In1Te2 come from?
How It Compares
Within the phase-change memory materials class.
Within the diverse landscape of phase-change memory materials, Ca1In1Te2 represents a less conventional alternative to the industry-standard Ge2Sb2Te5. While compounds like GeTe and Sb2Te3 are widely recognized for their robust switching kinetics, Ca1In1Te2 offers a different chemical framework that expands the design space for materials with tailored stability and electronic response.
Related Compounds
Other Phase-Change Memory Materials 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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