太阳能合成Bi-Pb-Sr-Ca-Cu-O系强各向异性高温超导体中耗散过程的温度特性研究
Temperature dependence investigation of dissipation processes in strongly anisotropic high-temperature superconductors of Bi-Pb-Sr-Ca-Cu-O system synthesized using solar energy
摘要：
本文研究了Bi-Pb-Sr-Ca-Cu-O系高温超导磁体圆柱体在磁场中的轴向扭转振动的阻尼和振动周期随温度的变化关系。在107-138 K的温度区间内观察到一些“混沌”温度区域，在那里可以看到耗散和振荡频率的单独波纹。据推测，“混沌”区域可能指向存在其他磁性和更高温的阶段作为一个正常的材料矩阵中的单个岛屿的可能性。
英文摘要：
The investigation of temperature dependence of damping and period of vibrations 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 Tc=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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