Effects of indium doping on the superconducting properties of YBa 2Cu3Oy sintered compounds and thin films

R. Kita, S. Nakamura, K. Sakimoto, T. Nakamura, O. Miura, K. Matsumoto, Paolo Mele, K. Yamada, K. Kaneko, A. Ichinose

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We investigated the effects of indium doping on the superconducting properties of YBCO sintered samples and thin films. In2O 3-doped YBCO and YBa2Cu3 xInxO y sintered samples showed a gradual decrease in the critical temperature (Tc) with increasing indium content; however, a T c value above 80 K was maintained even up to 30 vol.% addition and x = 0.4, respectively. Ba3Cu3In4O12 was detected by X-ray diffractometry and energy-dispersive X-ray spectroscopy as a reaction product for both sintered samples. The normalized Jc under a magnetic field of 0.1 T showed a maximum at x = 0.3. Indium-doped YBCO films prepared by pulsed laser deposition showed a similar dependence of T c on indium content as the sintered samples.

Original languageEnglish
Pages (from-to)1198-1200
Number of pages3
JournalPhysica C: Superconductivity and its Applications
Volume470
Issue number20
DOIs
Publication statusPublished - 2010 Nov 1
Externally publishedYes

Fingerprint

Indium
indium
Doping (additives)
Thin films
thin films
Pulsed laser deposition
Reaction products
reaction products
X ray diffraction analysis
pulsed laser deposition
critical temperature
x rays
Magnetic fields
magnetic fields
spectroscopy
Temperature
energy

Keywords

  • Artificial pinning center
  • In-doping
  • Thin film

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

Effects of indium doping on the superconducting properties of YBa 2Cu3Oy sintered compounds and thin films. / Kita, R.; Nakamura, S.; Sakimoto, K.; Nakamura, T.; Miura, O.; Matsumoto, K.; Mele, Paolo; Yamada, K.; Kaneko, K.; Ichinose, A.

In: Physica C: Superconductivity and its Applications, Vol. 470, No. 20, 01.11.2010, p. 1198-1200.

Research output: Contribution to journalArticle

Kita, R, Nakamura, S, Sakimoto, K, Nakamura, T, Miura, O, Matsumoto, K, Mele, P, Yamada, K, Kaneko, K & Ichinose, A 2010, 'Effects of indium doping on the superconducting properties of YBa 2Cu3Oy sintered compounds and thin films', Physica C: Superconductivity and its Applications, vol. 470, no. 20, pp. 1198-1200. https://doi.org/10.1016/j.physc.2010.05.073
Kita, R. ; Nakamura, S. ; Sakimoto, K. ; Nakamura, T. ; Miura, O. ; Matsumoto, K. ; Mele, Paolo ; Yamada, K. ; Kaneko, K. ; Ichinose, A. / Effects of indium doping on the superconducting properties of YBa 2Cu3Oy sintered compounds and thin films. In: Physica C: Superconductivity and its Applications. 2010 ; Vol. 470, No. 20. pp. 1198-1200.
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AU - Miura, O.

AU - Matsumoto, K.

AU - Mele, Paolo

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N2 - We investigated the effects of indium doping on the superconducting properties of YBCO sintered samples and thin films. In2O 3-doped YBCO and YBa2Cu3 xInxO y sintered samples showed a gradual decrease in the critical temperature (Tc) with increasing indium content; however, a T c value above 80 K was maintained even up to 30 vol.% addition and x = 0.4, respectively. Ba3Cu3In4O12 was detected by X-ray diffractometry and energy-dispersive X-ray spectroscopy as a reaction product for both sintered samples. The normalized Jc under a magnetic field of 0.1 T showed a maximum at x = 0.3. Indium-doped YBCO films prepared by pulsed laser deposition showed a similar dependence of T c on indium content as the sintered samples.

AB - We investigated the effects of indium doping on the superconducting properties of YBCO sintered samples and thin films. In2O 3-doped YBCO and YBa2Cu3 xInxO y sintered samples showed a gradual decrease in the critical temperature (Tc) with increasing indium content; however, a T c value above 80 K was maintained even up to 30 vol.% addition and x = 0.4, respectively. Ba3Cu3In4O12 was detected by X-ray diffractometry and energy-dispersive X-ray spectroscopy as a reaction product for both sintered samples. The normalized Jc under a magnetic field of 0.1 T showed a maximum at x = 0.3. Indium-doped YBCO films prepared by pulsed laser deposition showed a similar dependence of T c on indium content as the sintered samples.

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