Temperature dependence investigation of dissipation processes in strongly anisotropic hightemperature superconductors of Bi-Pb-Sr-Ca-Cu-O system synthesized using solar energy
J. G. ChigvinadzeSan Jose State UniversityJuana Vivó Acrivosgraduated as M.Sc. of Physics at Tbilisi State UniversityS. M. AshimovSan Jose State UniversityD. D. Gulamovais Professor of Chemistry Emerita at San Jose State University. Ph.D. in Physical Chemistry. Post doctor positions at Stanford University, University of California and BerkeleyT.V. MachaidzeD. E. Uskenbaevhead of laboratory at Low Temperature Physics Department at E. Andronikashvili Institue of Physics, Georgian Academy
2009en
ABI
Аннотация
The investigation of temperature dependence of damping and vibration period of HTSC superconductive cylinder of Bi-Pb-Sr-Ca-Cu-O system suspended by a thin elastic thread and performing axial-torsional vibrations in a magnetic field at temperatures above the critical one for the main phase T c =107 K were carried out. It was observed some "chaos" temperature region in the temperature interval 107-138 K, where it is seen separate ripples of dissipation and oscillation frequency. It is assumed that the "chaos" region could point to a possibility of existence of other magnetic and more high-temperature phases as single islands in a normal materials matrix.
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