Abstract
The real part R s and the imaginary part X s of the surface impedance Z s=R s+ iX s of Tl2Ba2CaCu2O8−δ and YBa2Cu3O6.95 single crystals have been measured with high precision at frequency ω/2π=9.4 GHz in the temperature range 0<T<140 K. In the Tl2Ba2CaCu2O8−δ crystal a linear temperature dependence R s(T) has been found for T⩽50 K, and the magnetic field penetration depth λ(4.2 K)=X s(4.2 K)/ω μ 0≈3760 Å has been measured. Along with well known features of the function Z s(T) in high-quality YBa2Cu3O6.95 single crystals, such as the linearity of λ(T) and R s(T) for T<T c/3 and a maximum of R s(T) at T∼T c/2, the linearity range of λ(T) extends to T≃50 K, and this curve has a plateau in the range 60<T<85 K. The curve of R s(T) in both the superconducting and normal states of YBa2Cu3O6.95 is well described by a two-fluid model with the electron-phonon mechanism of quasiparticle relaxation. A formula describing the curve of λ 2(0)/λ 2(T) throughout the studied temperature range is also given.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
V. M. Loktev, Fiz. Nizk. Temp. 22, 3 (1996) [Low Temp. Phys. 22, 1 (1996)].
W. N. Hardy, D. A. Bonn, D. C. Morgan et al., Phys. Rev. Lett. 70, 3999 (1993).
P. J. Hirschfeld and N. Goldenfeld, Phys. Rev. B 48, 4219 (1993); H. Won and K. Maki, Phys. Rev. B 49, 1397 (1994).
S. D. Adrian, M. E. Reeves, S. A. Wolf et al., Phys. Rev. B 51, 6800 (1995); A. A. Golubov, M. R. Trunin, A. A. Zhukov et al., JETP Lett. 62, 496 (1995).
R. Combescot and X. Leyronas, Phys. Rev. Lett. 75, 3732 (1995); C. O’Donovan and J. P. Carbotte, Phys. Rev. B 52, 4568 (1995); H. Kim and E. J. Nicol, Phys. Rev. B 52, 13576 (1995).
D. A. Bonn, S. Kamal, K. Zhang et al., Phys. Rev. B 50, 4051 (1994); J. Mao, D. H. Wu, J. L. Peng et al., Phys. Rev. B 51, 3316 (1995); T. Jacobs, S. Sridhar, C. T. Rieck et al., J. Phys. Chem. Solids 56, 1945 (1995).
H. Srikanth, B. A. Willemsen, T. Jacobs et al., Phys. Rev. B 55, R14733 (1997).
M. R. Trunin, A. A. Zhukov, G. A. Emel’chenko et al., JETP Lett. 65, 938 (1997).
T. Jacobs, S. Sridhar, Q. Li et al., Phys. Rev. Lett. 75, 4516 (1995); S. F. Lee, D. C. Morgan, R. J. Ormeno et al., Phys. Rev. Lett. 77, 735 (1996).
M. R. Trunin, A. A. Zhukov, G. É. Tsydynzhapov et al., JETP Lett. 64, 832 (1996).
P. J. Hirschfeld, W. O. Putikka, and D. J. Scalapino, Phys. Rev. B 50, 4051 (1994).
A. A. Golubov, M. R. Trunin, A. A. Zhukov et al., J. Phys. I (France) 6, 2275 (1996).
S. Sridhar and W. L. Kennedy, Rev. Sci. Instrum. 54, 531 (1988).
N. N. Kolesnikov, M. P. Kulakov, Yu. A. Osip’yan et al., Sverkhprovodimost’: Fizika, Khimiya, Tekhnika 4, 957 (1991).
V. S. Simonov and V. N. Molchanov, Kristallografiya 41, 31 (1996) [Crystallogr. Rep. 41, 26 (1996)].
H. Ning, H. Duan, P. D. Kirven et al., J. Supercond. 5, 503 (1992).
N. Klein, N. Tellmann, H. Schulz et al., Phys. Rev. Lett. 71, 3355 (1993).
D. A. Bonn, R. Liang, T. M. Riseman et al., Phys. Rev. B 47, 11314 (1993).
R. Cagnon, S. Pu, B. Ellman et al., Phys. Rev. Lett. 78, 1976 (1997).
C. J. Stevens, D. Smith, C. Chen et al., Phys. Rev. Lett. 78, 2212 (1997).
A. A. Mikhailovsky, S. V. Shulga, A. E. Karakozov et al., Solid State Commun. 80, 511 (1991); R. T. Collins, Z. Schlesinger, and F. Holtzberg, Phys. Rev. B 43, 3701 (1991); O. V. Dolgov, E. G. Maksimov, A. E. Karakozov et al., Solid State Commun. 89, 827 (1994).
Author information
Authors and Affiliations
Additional information
Zh. Éksp. Teor. Fiz. 112, 2210–2222 (December 1997)
Rights and permissions
About this article
Cite this article
Zhukov, A.A., Trunin, M.R., Sokolov, A.T. et al. Temperature dependence of surface impedance of Tl2Ba2CaCu2O8−δ and YBa2Cu3O6.95 single crystals measured in the microwave band. J. Exp. Theor. Phys. 85, 1211–1217 (1997). https://doi.org/10.1134/1.558395
Received:
Issue Date:
DOI: https://doi.org/10.1134/1.558395