Author： Khatiashvili N.G. Kovacs G. Porjesz T.
Publisher： Academic Press
ISSN： 0749-6036
Source： Superlattices and Microstructures, Vol.21, Iss.3, 1997-04, pp. : 377-380
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Abstract
In this investigation resonance interaction between superconductors and radio frequency field has been studied by a modified electron spin resonance equipment. At transition temperature ( T c ) the amplitude of the response increased about 20-25 times and the resonance frequency of the circuit from 1 (at room temperature) to 3.5 MHz. The amplitude of the response increases only in the transition region. The frequency versus temperature curve is much alike the resistance versus temperature curve, i.e. the frequency and the resistance first slowly, then sharply decrease near T c . At temperatures below T c (80 K) the frequency approaches a saturation while the resonance interaction features a magnetic memory effect.
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