Effect of YBCO film characteristics on RF properties of MSL resonators with these films


The effect of YBCO film characteristics on the RF properties of microstrip-line (MSL) resonators using two surface resistance Rs value types of films was investigated in terms of weak links. The films were characterized in both cystallinity and microstructure. The RF properties of the resonators were measured at frequencies of about 2 GHz. It was understood that the film samples with higher Rs at 70 K, which exhibited strong c-axis orientation, both the 90 and 45- degree angle grains in plane of the films, Y211 segregation, and porous structures show large influence on RF magnetic field dependence of normalized resonant frequency-shift Δfc/fc, compared with the lower Rs type. On the other hand, the films with lower Rs at 70 K had much stronger c-axis orientation, the 90-degree angle grains, and dense structures. Consequently, it was considered that the lower Rs type films possessed fewer weak-links compared with the higher Rs type films, suggesting that the misorientation in the higher Rs films result in weak-links.

This is a preview of subscription content, access via your institution.


  1. 1.

    Y. Kobayashi, 26th European Microwave Conf. Proc., 823(1996).

  2. 2.

    D.W. Face, F.M. Pellicone, R.J. Small, L. Bao, M.S. Warrington, and C. Wiker, IEEE Trans. on Appl. Supercond., 7, 1283(1997).

    Article  Google Scholar 

  3. 3.

    C.Le. Paven-Thivet, M. Guilloux-Viry, J. Padiou, A. Perrin, M. Sergent, L.A. de Vaulchier, and N. Bontemps, Physica C 244, 231(1995).

    Article  Google Scholar 

  4. 4.

    S.S. Laderman, R.C. Taber, R.D. Jacowits, J.L. Moll, C.B. Eom, T.L. Hylton, A.F. Marshall, T.H. Geballe, and M.R. Beasley, Phys.Rev. B43, 2922(1991).

    Article  Google Scholar 

  5. 5.

    T.L. Hylton, A. Kapitulnik, and M.R. Beasley, Appl.Phys.Let., 53, 1343(1988).

    CAS  Article  Google Scholar 

  6. 6.

    C. Attanasio, L. Maritato, and R. Vaglio, Phys.Rev. B 43, 6129(1991).

    Google Scholar 

  7. 7.

    G.P. Srivastava, Mohan V. Jacob, M. Jayakumar, and P.K. Bhatnagar, J.Appl.Phys., 81, 6272(1997).

    CAS  Article  Google Scholar 

  8. 8.

    A. Akasegawa, K. Yamanaka, and T. Nakanishi, M2S-HTSC-VI; Proceeding to be published.

  9. 9.

    D. Okai, T. Tachiki, Y. Shinkai, and S. Ohshima, ISS’97, 1161(1997).

  10. 10.

    D.E. Oates, and A.C. Anderson, IEEE Trans on Mag., 27, 867(1991).

    CAS  Article  Google Scholar 

  11. 11.

    D.E. Oates, A.C. Anderson, D.M. Sheen, and S.M. Ali, IEEE Trans on MTT, 39, 1522(1991).

    CAS  Article  Google Scholar 

  12. 12.

    D.E. Oates, A.C. Anderson, and P.M. Mankiewich, J.Supercond., 3, 251(1990).

    CAS  Article  Google Scholar 

  13. 13.

    S. Miura, K. Hashimoto, Jian-Guo WEN, K. Suzuki, and T. Morishita, IEICE Trans. Electron E81-C, 1553(1998).

Download references

Author information



Corresponding author

Correspondence to Kazunori Yamanaka.

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Yamanaka, K., Akasegawa, A. & Nakanishi, T. Effect of YBCO film characteristics on RF properties of MSL resonators with these films. MRS Online Proceedings Library 659, 62 (2000). https://doi.org/10.1557/PROC-659-II6.2

Download citation