Microwave surface resistance of YBaCuO superconducting films laser-ablated on copper substrates

Author

Liu, J. ; Asano, Katsunori ; Ezura, E. ; Fukutomi, M. ; Inagaki, S. ; Isagawa, S. ; Komori, K. ; Kumagai, S. ; Nakanishi, H. ; Tosa, M. ; Yoshihara, K.

Author_Institution

KEK, Nat. Lab. for High Energy Phys., Ibaraki, Japan

Volume

3

fYear

1995

fDate

1-5 May 1995

Firstpage

1652

Abstract

In order to apply high-T_c material to a real accelerator cavity, it may be indispensable that the material is deposited on metal substrate. It is now possible to align the c axis of YBa₂Cu₃O_y (YBCO) film perpendicular to a metal surface. Furthermore, the constituent crystals can be in-plane aligned with a laser ablation technique following the formation of yttria-stabilized-zirconia (YSZ) buffer layer of controlled grain orientation. Using a demountable copper cavity operated at 13 GHz in the TE₀₁₁ mode, the microwave surface resistance was measured over a temperature range from 11 K to 300 K

Keywords

accelerator cavities; copper; pulsed laser deposition; superconducting cavity resonators; superconducting thin films; ytterbium compounds; 11 to 300 K; 13 GHz; TE₀₁₁ mode; YBaCuO superconducting films; YBaCuO-Cu; accelerator cavity; constituent crystals; controlled grain orientation; copper substrates; demountable copper cavity; high-T_c material; laser ablation technique; microwave surface resistance; yttria-stabilized-zirconia buffer layer; Crystalline materials; Inorganic materials; Laser ablation; Laser modes; Substrates; Superconducting films; Superconducting materials; Surface resistance; Temperature measurement; Yttrium barium copper oxide;

fLanguage

English

Publisher

ieee

Conference_Titel

Particle Accelerator Conference, 1995., Proceedings of the 1995

Conference_Location

Dallas, TX

Print_ISBN

0-7803-2934-1

Type

conf

DOI

10.1109/PAC.1995.505316

Filename

505316