Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Analysis of the strain dependence of the superconducting critical properties of single-crystal and polycrystalline Nb <sub>3</sub> Sn

He Ding, Yuanwen Gao

Superconductor Science and Technology · 2021

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Summary

This computational materials science study employs 3D Voronoi tessellation-based microstructural simulation to examine how mechanical strain affects the superconducting critical properties of niobium tin (Nb₃Sn). The authors develop an estimation model for single-crystal Nb₃Sn based on strain-induced changes in electronic and phononic properties, then apply this to polycrystalline samples. The findings demonstrate that polycrystalline Nb₃Sn exhibits greater strain sensitivity in critical temperature than ideal single crystals, owing to non-uniform strain field distribution across grain boundaries.

UK applicability

This paper concerns fundamental materials science of superconductors and has no direct applicability to UK farming systems, soil health, nutrient density, or human health outcomes.

Key measures

Young's modulus at varying temperatures; superconducting critical temperature; strain sensitivity; electron density of states; phonon frequency; stress/strain field distribution in polycrystalline structures

Outcomes reported

The study assessed strain-dependent superconducting critical properties of polycrystalline Nb₃Sn using 3D Voronoi tessellation simulation and developed an estimation-based model for single-crystal Nb₃Sn based on electron density of states and phonon frequency changes.

Theme
General food systems / other
Subject
Other / interdisciplinary
Study type
Research
Study design
Modelling study / simulation
Source type
Peer-reviewed study
Status
Published
System type
Laboratory / in vitro
DOI
10.1088/1361-6668/abfaef
Catalogue ID
SNmotmrlbu-8cte0e

Topic tags

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