Tuning nanoparticle size for enhanced functionality in perovskite thin films deposited by metal organic deposition

Masashi Miura, Boris Maiorov, Michio Sato, Motoki Kanai, Takeharu Kato, Tomohiro Kato, Teruo Izumi, Satoshi Awaji, Paolo Mele, Masaru Kiuchi, Teruo Matsushita

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Because of pressing global environmental challenges, focus has been placed on materials for efficient energy use, and this has triggered the search for nanostructural modification methods to improve performance. Achieving a high density of tunable-sized second-phase nanoparticles while ensuring the matrix remains intact is a long-sought goal. In this paper, we present an effective, scalable method to achieve this goal using metal organic deposition in a perovskite system REBa 2 Cu 3 O 7 (rare earth (RE)) that enhances the superconducting properties to surpass that of previous achievements. We present two industrially compatible routes to tune the nanoparticle size by controlling diffusion during the nanoparticle formation stage by selecting the second-phase material and modulating the precursor composition spatially. Combining these routes leads to an extremely high density (8 × 10 22 m â '3) of small nanoparticles (7 nm) that increase critical currents and reduce detrimental effects of thermal fluctuations at all magnetic field strengths and temperatures. This method can be directly applied to other perovskite materials where nanoparticle addition is beneficial.

Original languageEnglish
Article numbere447
JournalNPG Asia Materials
Volume9
Issue number11
DOIs
Publication statusPublished - 2017 Nov 17
Externally publishedYes

Fingerprint

Perovskite
Tuning
Metals
tuning
Nanoparticles
Thin films
nanoparticles
thin films
metals
routes
Critical currents
pressing
Rare earths
field strength
critical current
rare earth elements
perovskite
Magnetic fields
matrices
Chemical analysis

ASJC Scopus subject areas

  • Modelling and Simulation
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Tuning nanoparticle size for enhanced functionality in perovskite thin films deposited by metal organic deposition. / Miura, Masashi; Maiorov, Boris; Sato, Michio; Kanai, Motoki; Kato, Takeharu; Kato, Tomohiro; Izumi, Teruo; Awaji, Satoshi; Mele, Paolo; Kiuchi, Masaru; Matsushita, Teruo.

In: NPG Asia Materials, Vol. 9, No. 11, e447, 17.11.2017.

Research output: Contribution to journalArticle

Miura, M, Maiorov, B, Sato, M, Kanai, M, Kato, T, Kato, T, Izumi, T, Awaji, S, Mele, P, Kiuchi, M & Matsushita, T 2017, 'Tuning nanoparticle size for enhanced functionality in perovskite thin films deposited by metal organic deposition', NPG Asia Materials, vol. 9, no. 11, e447. https://doi.org/10.1038/am.2017.197
Miura, Masashi ; Maiorov, Boris ; Sato, Michio ; Kanai, Motoki ; Kato, Takeharu ; Kato, Tomohiro ; Izumi, Teruo ; Awaji, Satoshi ; Mele, Paolo ; Kiuchi, Masaru ; Matsushita, Teruo. / Tuning nanoparticle size for enhanced functionality in perovskite thin films deposited by metal organic deposition. In: NPG Asia Materials. 2017 ; Vol. 9, No. 11.
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