RbSb

RbSb is a thermodynamically stable semiconducting compound formed from rubidium and antimony.

RbSb
Crystal structure of RbSb
Ground-state structure · Materials Project
Overview

About RbSb

RbSb is a binary inorganic compound composed of rubidium and antimony. As a thermodynamically stable material residing on the convex hull, it represents a robust phase within its chemical system, making it a subject of significant interest for structural analysis and materials characterization.

This compound exhibits semiconducting electronic properties, positioning it as a candidate for specialized electronic and optoelectronic applications. With extensive documentation across multiple databases, it serves as a key reference point for researchers investigating the interplay between alkali metals and pnictogens.

At a glance

Key Properties

Cross-validated computational properties for RbSb, aggregated across 4 databases.

Band Gap

0.54–0.73 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

65
4 databases, 19 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of RbSb. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

1.00 / 1.00
Trust tier: medium

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

2
jarvis, materials_project

Space Group Consensus

All match
Uses

Applications

Where RbSb is used.

Semiconductor researchMaterials science characterizationSolid-state chemistry studies
Reference

Frequently Asked Questions

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

What is RbSb?

RbSb is a thermodynamically stable semiconducting compound formed from rubidium and antimony.

More questions
What is RbSb used for?
RbSb is used in semiconductor research, materials science characterization, and solid-state chemistry studies.
What is the band gap of RbSb?
RbSb has a DFT-computed band gap of 0.54–0.73 eV across 65 reported structures.
Is RbSb a metal, semiconductor, or insulator?
With a band gap up to 0.73 eV it is a semiconductor.
Is RbSb thermodynamically stable?
Yes — RbSb sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of RbSb are known?
65 structures of RbSb are reported across 4 databases, spanning 19 distinct space groups.
What elements does RbSb contain?
RbSb contains Rb and Sb (2 elements).
Where does the data for RbSb come from?
RbSb data is cross-referenced from latticegraph.
Comparison

How It Compares

As a stable binary phase, RbSb occupies a distinct position in the landscape of rubidium-antimony materials. Its thermodynamic stability and well-characterized structural profile provide a reliable baseline for understanding the broader behavior of alkali-antimonide systems.

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

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