Surface resistance studies of laser‐deposited superconducting Tl2Ba2CaCu2O8films

Autor:	L. Drabeck, George Grüner, Michael M. Eddy, J. Z. Sun, Karoly Holczer, I. B. Ferreira, R. D. Hammond
Rok vydání:	1991
Předmět:	Superconductivity High-temperature superconductivity Materials science Transition temperature Contact resistance Inorganic chemistry Analytical chemistry General Physics and Astronomy law.invention Surface conductivity law Electrical resistivity and conductivity Thin film Sheet resistance
Zdroj:	Journal of Applied Physics. 70:496-498
ISSN:	1089-7550 0021-8979
DOI:	10.1063/1.350257
Popis:	We have measured the surface resistance Rs of laser‐deposited Tl2Ba2CaCu2O8 thin films on LaAlO3 substrates. After correcting for leakage of radiation through the films, we find that the normalized surface resistance Rs/RN (with RN the normal‐state surface resistance at T ≥ Tc) is comparable to YBa2Cu3O7 (123) films. The higher transition temperature of the Tl films leads to superior microwave performance in particular at temperatures around T=77 K and above.
Databáze:	OpenAIRE
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