Ca2Sn

Ca2Sn is a thermodynamically stable semiconducting intermetallic compound composed of calcium and tin.

CaSn
Crystal structure of Ca2Sn
Ground-state structure · Materials Project
Overview

About Ca2Sn

Ca2Sn is a thermodynamically stable intermetallic compound that occupies a position on the convex hull, indicating robust structural integrity. As a semiconducting material, it offers unique electronic properties that distinguish it from purely metallic or insulating phases within the calcium-tin system.

Its significance lies in its well-documented structural diversity, supported by extensive data across multiple materials databases. This stability and electronic character make it a subject of interest for researchers investigating specialized semiconductor materials and solid-state chemistry.

At a glance

Key Properties

Cross-validated computational properties for Ca2Sn, aggregated across 3 databases.

Band Gap

0.06–0.44 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

31
3 databases, 12 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Ca2Sn.

Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where Ca2Sn is used.

Semiconductor researchSolid-state chemistry studiesMaterials science modeling
Reference

Frequently Asked Questions

Common questions about Ca2Sn, answered from cross-validated data.

What is Ca2Sn?

Ca2Sn is a thermodynamically stable semiconducting intermetallic compound composed of calcium and tin.

More questions
What is Ca2Sn used for?
Ca2Sn is used in semiconductor research, solid-state chemistry studies, and materials science modeling.
What is the band gap of Ca2Sn?
Ca2Sn has a DFT-computed band gap of 0.06–0.44 eV across 31 reported structures.
Is Ca2Sn a metal, semiconductor, or insulator?
With a band gap up to 0.44 eV it is a semiconductor.
Is Ca2Sn thermodynamically stable?
Yes — Ca2Sn sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Ca2Sn are known?
31 structures of Ca2Sn are reported across 3 databases, spanning 12 distinct space groups.
How is Ca2Sn synthesized?
Literature-reported routes for Ca2Sn include sol gel, solid state (10 procedures documented).
What elements does Ca2Sn contain?
Ca2Sn contains Ca and Sn (2 elements).
Where does the data for Ca2Sn come from?
Ca2Sn data is cross-referenced from latticegraph.
Comparison

How It Compares

As a stable intermetallic phase, Ca2Sn represents a foundational example of binary calcium-tin chemistry. It serves as a key reference point for understanding the electronic behavior and structural trends within this specific chemical system.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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