Dependence of surface resistance in HTS thin films on a dc magnetic field

A. Saito, M. Shirakawa, K. Kitamura, Y. Noguchi, Masashi Mukaida, H. Yamasaki, Y. Nakagawa, S. Ohshima

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

We investigated the behavior of the surface resistance (Rs) of high-temperature superconductor (HTS) thin films exposed to a dc magnetic field (parallel to the c-axis). Measurements were done using the dielectric resonator method and superconducting magnet system. The DyBa2Cu 3O7-δ (DyBCO) and YBa2Cu 3O7-δ (YBCO) thin films (produced by THEVA GmbH) were prepared through a thermal co-evaporation method. The resonant frequency of the TE011 mode in the resonator was approximately 22 GHz. A dc magnetic field of up to 5 T was applied vertically to two parallel superconducting thin films placed into a closed-type Cu cavity. Rs of the DyBCO and YBCO thin films increased as the applied dc magnetic field increased. The Rs ratio (defined as Rs(5 T)/R s(0 T)) of the DyBCO and YBCO thin films at 4.5 K was approximately 5 and 50, respectively. These results indicate that the DyBCO thin film may be better for use in low-temperature nuclear magnetic resonance applications.

Original languageEnglish
Pages (from-to)3692-3695
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume15
Issue number2 PART III
DOIs
Publication statusPublished - Jun 1 2005
Externally publishedYes

Fingerprint

Surface resistance
High temperature superconductors
high temperature superconductors
Magnetic fields
Thin films
thin films
magnetic fields
resonators
Superconducting films
Dielectric resonators
Superconducting magnets
superconducting magnets
Resonators
Natural frequencies
Evaporation
Nuclear magnetic resonance
resonant frequencies
magnets
evaporation
nuclear magnetic resonance

All Science Journal Classification (ASJC) codes

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

Cite this

Saito, A., Shirakawa, M., Kitamura, K., Noguchi, Y., Mukaida, M., Yamasaki, H., ... Ohshima, S. (2005). Dependence of surface resistance in HTS thin films on a dc magnetic field. IEEE Transactions on Applied Superconductivity, 15(2 PART III), 3692-3695. https://doi.org/10.1109/TASC.2005.849394

Dependence of surface resistance in HTS thin films on a dc magnetic field. / Saito, A.; Shirakawa, M.; Kitamura, K.; Noguchi, Y.; Mukaida, Masashi; Yamasaki, H.; Nakagawa, Y.; Ohshima, S.

In: IEEE Transactions on Applied Superconductivity, Vol. 15, No. 2 PART III, 01.06.2005, p. 3692-3695.

Research output: Contribution to journalArticle

Saito, A, Shirakawa, M, Kitamura, K, Noguchi, Y, Mukaida, M, Yamasaki, H, Nakagawa, Y & Ohshima, S 2005, 'Dependence of surface resistance in HTS thin films on a dc magnetic field', IEEE Transactions on Applied Superconductivity, vol. 15, no. 2 PART III, pp. 3692-3695. https://doi.org/10.1109/TASC.2005.849394
Saito, A. ; Shirakawa, M. ; Kitamura, K. ; Noguchi, Y. ; Mukaida, Masashi ; Yamasaki, H. ; Nakagawa, Y. ; Ohshima, S. / Dependence of surface resistance in HTS thin films on a dc magnetic field. In: IEEE Transactions on Applied Superconductivity. 2005 ; Vol. 15, No. 2 PART III. pp. 3692-3695.
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