Ca2Ge

Ca2Ge is a stable semiconducting intermetallic compound composed of calcium and germanium.

CaGe
Crystal structure of Ca2Ge
Ground-state structure · Materials Project
Overview

About Ca2Ge

Ca2Ge is a thermodynamically stable intermetallic compound that sits firmly on the convex hull, indicating significant structural robustness. As a semiconducting material, it represents a specialized class of binary phases that bridge the gap between metallic alloys and traditional covalent semiconductors.

Its electronic character makes it a subject of interest for researchers investigating new pathways for semiconductor integration. With dozens of reported structural variations, it serves as a versatile candidate for fundamental studies in solid-state chemistry and materials design.

At a glance

Key Properties

Cross-validated computational properties for Ca2Ge, aggregated across 3 databases.

Band Gap

0.30–0.58 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

34
3 databases, 7 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Ca2Ge.

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
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where Ca2Ge is used.

Semiconductor researchSolid-state chemistry studiesMaterials science development
Reference

Frequently Asked Questions

Common questions about Ca2Ge, answered from cross-validated data.

What is Ca2Ge?

Ca2Ge is a stable semiconducting intermetallic compound composed of calcium and germanium.

More questions
What is Ca2Ge used for?
Ca2Ge is used in semiconductor research, solid-state chemistry studies, and materials science development.
What is the band gap of Ca2Ge?
Ca2Ge has a DFT-computed band gap of 0.30–0.58 eV across 34 reported structures.
Is Ca2Ge a metal, semiconductor, or insulator?
With a band gap up to 0.58 eV it is a semiconductor.
Is Ca2Ge thermodynamically stable?
Yes — Ca2Ge sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Ca2Ge are known?
34 structures of Ca2Ge are reported across 3 databases, spanning 7 distinct space groups.
How is Ca2Ge synthesized?
Literature-reported routes for Ca2Ge include solid state (6 procedures documented).
What elements does Ca2Ge contain?
Ca2Ge contains Ca and Ge (2 elements).
Where does the data for Ca2Ge come from?
Ca2Ge data is cross-referenced from latticegraph.
Comparison

How It Compares

As a distinct binary phase, Ca2Ge occupies a unique position in the landscape of calcium-germanium compounds, serving as a foundational example of how these elements combine to form stable, semiconducting architectures.

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

Analyze Ca2Ge in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →