BeSiN2

BeSiN2 is a thermodynamically stable, wide-band-gap nitride semiconductor used in materials science research.

Crystal structure of BeSiN2 (orthorhombic, Pna21 (No. 33))
Ground-state structure · Materials Project
Overview

About BeSiN2

BeSiN2 is a wide-band-gap nitride semiconductor that occupies a stable position on the thermodynamic convex hull. Its unique composition of beryllium, silicon, and nitrogen enables a robust electronic structure suitable for specialized insulating and semiconductor applications.

As a material of significant interest, BeSiN2 has been characterized across multiple structural configurations. Its stability and electronic properties make it a compelling candidate for research into next-generation high-performance electronic materials.

At a glance

Key Properties

Cross-validated computational properties for BeSiN2, aggregated across 3 databases.

Band Gap

2.87–5.15 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

8
3 databases, 5 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for BeSiN2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Pna21 (No. 33)orthorhombic5.150.0000-7.8613.23
I-42d (No. 122)tetragonal3.560.0018-7.8593.24
P3m1 (No. 156)trigonal2.870.1662-7.6953.16
I-42d (No. 122)
P3m1 (No. 156)
R-3m (No. 166)Trigonal3.66
R3m (No. 160)Trigonal3.13
R3m (No. 160)Trigonal2.73
Uses

Applications

Where BeSiN2 is used.

Semiconductor researchOptoelectronic device developmentInsulating material studies
Reference

Frequently Asked Questions

Common questions about BeSiN2, answered from cross-validated data.

What is BeSiN2?

BeSiN2 is a thermodynamically stable, wide-band-gap nitride semiconductor used in materials science research.

More questions
What is BeSiN2 used for?
BeSiN2 is used in semiconductor research, optoelectronic device development, and insulating material studies.
What is the band gap of BeSiN2?
BeSiN2 has a DFT-computed band gap of 2.87–5.15 eV across 8 reported structures.
Is BeSiN2 a metal, semiconductor, or insulator?
With a wide band gap up to 5.15 eV it is an insulator / wide-band-gap material.
Is BeSiN2 thermodynamically stable?
Yes — BeSiN2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of BeSiN2?
The lowest-energy reported polymorph of BeSiN2 is orthorhombic symmetry, space group Pna21 (No. 33).
What is the density of BeSiN2?
The computed density of the ground-state structure of BeSiN2 is 3.23 g/cm³.
How many polymorphs of BeSiN2 are known?
8 structures of BeSiN2 are reported across 3 databases, spanning 5 distinct space groups.
What elements does BeSiN2 contain?
BeSiN2 contains Be, N, and Si (3 elements).
Where does the data for BeSiN2 come from?
BeSiN2 data is cross-referenced from materials_project, jarvis, mpaloe.
Comparison

How It Compares

Within the nitride semiconductors class.

Within the family of nitride semiconductors, BeSiN2 serves as a complex ternary alternative to binary systems like GaN or AlN. While binary nitrides are widely utilized for their established optoelectronic performance, BeSiN2 offers a distinct structural framework that expands the chemical space available for designing wide-gap materials.

Explore

Related Compounds

Other Nitride Semiconductors in the database.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
  • mpaloe — Data from mpaloe.

Analyze BeSiN2 in the Lattice Graph platform

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

Explore the Platform →