Investigated stiffness of high performance superconductivity with nanoceria incorporated into polycrystalline magnesium diboride

Author

Al-Douri, Y. ; Gharaibeh, Mohammad ; Albiss, B.A. ; Reshak, A.H.

Author_Institution

Inst. of Nano Electron. Eng., Univ. Malaysia Perlis, Kangar, Malaysia

Volume

7

Issue

8

fYear

2012

fDate

8/1/2012 12:00:00 AM

Firstpage

867

Lastpage

871

Abstract

Polycrystalline MgB₂ was prepared with different amounts of nano-sized CeO₂ inclusions, subjected to X-ray diffraction, scanning electron microscopy and atomic force microscopy characterisation. The nano-CeO₂ inclusions were found to affect the lattice parameters because of nanoinclusions up to 2 wt% . The stiffness was investigated and the morphology of pure powders reveals randomly oriented grains and cleans grain boundaries, whereas with nanoinclusions, grain surfaces and boundaries were decorated with nano-sized CeO₂ particles. Significant enhancement of the superconducting critical current density J_c was observed because of nano-CeO₂ addition. The obtained results are in good agreement with other experimental and theoretical results.

Keywords

X-ray diffraction; association; atomic force microscopy; cerium compounds; critical current density (superconductivity); grain boundaries; inclusions; lattice constants; magnesium compounds; nanofabrication; nanoparticles; powder technology; scanning electron microscopy; surface morphology; type II superconductors; MgB₂-CeO₂; X-ray diffraction; atomic force microscopy; grain boundaries; grain surfaces; high performance superconductivity; lattice parameters; nanoaddition; nanoceria; nanoinclusions; nanosized inclusions; nanosized particles; polycrystalline magnesium diboride; powder morphology; randomly oriented grains; scanning electron microscopy; stiffness; superconducting critical current density;

fLanguage

English

Journal_Title

Micro & Nano Letters, IET

Publisher

iet

ISSN

1750-0443

Type

jour

DOI

10.1049/mnl.2012.0460

Filename

6294626