Ca3GeO

Ca3GeO is a stable semiconducting oxide compound composed of calcium, germanium, and oxygen.

CaGeO
Crystal structure of Ca3GeO
Ground-state structure · Materials Project
Overview

About Ca3GeO

Ca3GeO is a distinct ternary oxide characterized by its semiconducting electronic nature. As a thermodynamically stable phase residing on the convex hull, it represents a robust structural arrangement of calcium, germanium, and oxygen atoms. Its stability suggests potential for reliable performance in specialized electronic or optoelectronic environments where consistent material integrity is required.

With multiple reported structures across various databases, this compound is a subject of significant interest for materials scientists investigating complex oxide systems. Its unique stoichiometry allows for nuanced electronic tuning, making it a valuable candidate for fundamental studies into how structural variations influence the semiconducting behavior of germanium-based oxides.

At a glance

Key Properties

Cross-validated computational properties for Ca3GeO, aggregated across 3 databases.

Band Gap

0.14 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

9
3 databases, 2 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Ca3GeO.

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

Applications

Where Ca3GeO is used.

Semiconductor researchMaterials science explorationSolid-state chemistry studies
Reference

Frequently Asked Questions

Common questions about Ca3GeO, answered from cross-validated data.

What is Ca3GeO?

Ca3GeO is a stable semiconducting oxide compound composed of calcium, germanium, and oxygen.

More questions
What is Ca3GeO used for?
Ca3GeO is used in semiconductor research, materials science exploration, and solid-state chemistry studies.
What is the band gap of Ca3GeO?
Ca3GeO has a DFT-computed band gap of 0.14 eV across 9 reported structures.
Is Ca3GeO a metal, semiconductor, or insulator?
With a band gap up to 0.14 eV it is a semiconductor.
Is Ca3GeO thermodynamically stable?
Yes — Ca3GeO sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Ca3GeO are known?
9 structures of Ca3GeO are reported across 3 databases, spanning 2 distinct space groups.
How is Ca3GeO synthesized?
Literature-reported routes for Ca3GeO include solid state (2 procedures documented).
What elements does Ca3GeO contain?
Ca3GeO contains Ca, Ge, and O (3 elements).
Where does the data for Ca3GeO come from?
Ca3GeO data is cross-referenced from latticegraph.
Comparison

How It Compares

As a thermodynamically stable semiconducting oxide, Ca3GeO serves as a foundational example of this specific chemical composition, providing a benchmark for researchers exploring the broader landscape of calcium-germanium-oxygen systems.

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

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