Ge2K2Nd2S8

Ge2K2Nd2S8 is a stable semiconducting quaternary sulfide compound containing germanium, potassium, neodymium, and sulfur.

GeKNdS
Crystal structure of Ge2K2Nd2S8
Ground-state structure · Materials Project
Overview

About Ge2K2Nd2S8

Ge2K2Nd2S8 is a complex quaternary sulfide composed of germanium, potassium, neodymium, and sulfur. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement within this specific chemical system.

This material exhibits semiconducting electronic behavior, making it an interesting candidate for investigations into optoelectronic or solid-state device applications. Its structural stability suggests a well-defined crystalline framework that is favorable for further experimental characterization.

At a glance

Key Properties

Cross-validated computational properties for Ge2K2Nd2S8, aggregated across 3 databases.

Band Gap

2.37 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

5
3 databases, 1 space group
Uses

Applications

Where Ge2K2Nd2S8 is used.

Semiconductor researchSolid-state materials developmentFundamental crystallographic studies
Reference

Frequently Asked Questions

Common questions about Ge2K2Nd2S8, answered from cross-validated data.

What is Ge2K2Nd2S8?

Ge2K2Nd2S8 is a stable semiconducting quaternary sulfide compound containing germanium, potassium, neodymium, and sulfur.

More questions
What is Ge2K2Nd2S8 used for?
Ge2K2Nd2S8 is used in semiconductor research, solid-state materials development, and fundamental crystallographic studies.
What is the band gap of Ge2K2Nd2S8?
Ge2K2Nd2S8 has a DFT-computed band gap of 2.37 eV across 5 reported structures.
Is Ge2K2Nd2S8 a metal, semiconductor, or insulator?
With a band gap up to 2.37 eV it is a semiconductor.
Is Ge2K2Nd2S8 thermodynamically stable?
Yes — Ge2K2Nd2S8 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Ge2K2Nd2S8 are known?
5 structures of Ge2K2Nd2S8 are reported across 3 databases, spanning 1 distinct space group.
What elements does Ge2K2Nd2S8 contain?
Ge2K2Nd2S8 contains Ge, K, Nd, and S (4 elements).
Where does the data for Ge2K2Nd2S8 come from?
Ge2K2Nd2S8 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a member of the quaternary sulfide family, Ge2K2Nd2S8 occupies a distinct niche defined by its specific stoichiometry and electronic properties. While it shares the general characteristics of complex chalcogenides, its unique combination of rare-earth neodymium and alkali metal potassium ions sets it apart from simpler binary or ternary sulfides, positioning it as a specialized material for fundamental studies in solid-state chemistry.

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

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