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Magnetic response of high T c superconductors to x-ray radiation and detection of x rays

Joseph F. Artuso, Larry A. Franks, K. Hull, O. G. Symko

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Abstract

Experimental results are presented on the effects of x-ray radiation on superconducting samples of polycrystalline YBaCuO and BiSrCaCuO. The radiation effects are detected at 4.2 K by changes of the magnetization of the sample using a SQUID magnetometer. In the presence of ionizing radiation, the changes in magnetization correspond to release of trapped flux, fluxon destruction, and low frequency noise due to flux flow.

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What this paper is about

Experimental results are presented on the effects of x-ray radiation on superconducting samples of polycrystalline YBaCuO and BiSrCaCuO. The radiation effects are detected at 4.2 K by changes of the magnetization of the sample using a SQUID magnetometer. In the presence of ionizing radiation, the changes in magnetization correspond to release of trapped flux, fluxon destruction, and low frequency noise due to flux flow.

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Available abstract

Experimental results are presented on the effects of x-ray radiation on superconducting samples of polycrystalline YBaCuO and BiSrCaCuO. The radiation effects are detected at 4.2 K by changes of the magnetization of the sample using a SQUID magnetometer. In the presence of ionizing radiation, the changes in magnetization correspond to release of trapped flux, fluxon destruction, and low frequency noise due to flux flow.

Key concepts: Magnetization, Superconductivity, Squid, Ionizing radiation, Magnetometer, Radiation, Fluxon, Flux (metallurgy)

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