MnSi

Manganese silicide · Manganese monosilicide

Manganese silicide is a metallic compound known for its unique magnetic properties and complex crystal structure. It is primarily studied for its role in spintronics and its potential utility in advanced electronic devices.

Crystal structure of MnSi (cubic, P213 (No. 198))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Manganese silicide, aggregated across 6 databases.

Band Gap

Metallic / not reported

Energy Above Hull

0.016 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
4 DFT sources

Structures

140
6 databases, 28 space groups
Validation

Cross-Source DFT Agreement

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

Agreement Score

1.00 / 1.00
Trust tier: high

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

3
jarvis, materials_project, nomad

Space Group Consensus

All match
Crystallography

Reported Structures

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

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P213 (No. 198)cubic0.000.0159-12.0896.12
P1 (No. 1)Triclinic3.93
Pm (No. 6)Monoclinic3.21
P4/nmm (No. 129)Tetragonal3.15
P4/nmm (No. 129)Tetragonal3.10
P-1 (No. 2)Triclinic6.68
Pmma (No. 51)Orthorhombic6.12
Pmma (No. 51)Orthorhombic6.35
P1 (No. 1)Triclinic2.58
P1 (No. 1)Triclinic3.04
P1 (No. 1)Triclinic5.28
P213 (No. 198)
Uses

Applications

Where Manganese silicide is used.

Spintronics researchMagnetic sensor developmentSemiconductor materials science
Reference

Frequently Asked Questions

Common questions about Manganese silicide, answered from cross-validated data.

What is MnSi?

Manganese silicide is a metallic compound known for its unique magnetic properties and complex crystal structure. It is primarily studied for its role in spintronics and its potential utility in advanced electronic devices.

More questions
What is MnSi used for?
Manganese silicide (MnSi) is used in spintronics research, magnetic sensor development, and semiconductor materials science.
What is the band gap of MnSi?
Manganese silicide (MnSi) is computed to be metallic (no band gap) in the reported DFT structures.
Is MnSi a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is MnSi thermodynamically stable?
Manganese silicide (MnSi) has a lowest energy above hull of 0.016 eV/atom (near hull (likely stable)).
What is the crystal structure of MnSi?
The lowest-energy reported polymorph of Manganese silicide (MnSi) is cubic symmetry, space group P213 (No. 198).
What is the density of MnSi?
The computed density of the ground-state structure of Manganese silicide (MnSi) is 6.12 g/cm³.
How many polymorphs of MnSi are known?
140 structures of MnSi are reported across 6 databases, spanning 28 distinct space groups.
What elements does MnSi contain?
Manganese silicide (MnSi) contains Mn and Si (2 elements).
Where does the data for MnSi come from?
MnSi data is cross-referenced from materials_project, mpaloe, jarvis.
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Related Compounds

Other Silicon Anode Materials in the database.

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

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