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Exposure of the high Tc superconductor YBa2Cu3O7−δ to 60Co γ irradiation up to 1.3 Mrad is found to have virtually no effect on its superconductive properties as measured by a novel variant of the microwave absorption method.

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Articles you may be interested inStabilization of sample temperature in a surface-science vacuum chamber to 0.03 K and quartz-crystal microbalance frequency to 0.06 Hz over 0.5 h Rev. Sci. Instrum. 81, 103901 (2010); 10.1063/1.3488368Ultrahigh vacuum apparatus for quartz crystal microbalance measurements in the temperature range 4-400 K Rev.

This paper summarizes the results o f r a d i a t i o n t e s t s on c u l t u r e d q u a r t z r e s o n a t o r s . The t e s t s were conducted t o d e t e r m i n e t h e f r e q u e n c y s h i f t s ( A f l f ) o f t h e r e s o n a t o r s a s a r e s u l t o f h i g h and l o w l e v e l s o f p r o t o n and gamma i r r a d i a t i o n . A1 1 r e s o n a t o r s t e s t e d were 5 MHz, 5th overtone, AT c u t