The Influence of Fast Neutron Irradiation on the Magnetostriction of Ceramic YBa_2Cu_3O_{7-δ} Sample

• Authors: A. Nabiałek , S. Vasiliev , B. Pytel , V. Chabanenko , S. Piechota
• Languages of publication: EN

Abstracts

EN

We investigated the magnetostriction of ceramic YBa_2Cu_3O_{7-δ} sample both before and after fast neutron irradiation with the fluency of 7.55×10^{17} n/cm^2 and energy of above 0.5 MeV. We have found that after irradiation the widths of both transverse and longitudinal magnetostriction hysteresis loops at a given temperature and at a given external magnetic field increased several times. At 4.2 K and in 10 tesla the widths of the magnetostriction hysteresis loop of the irradiated sample are of an order of 10^{-5}. The results can be understood in the framework of the model of the magnetostriction induced by the pinning forces, assuming the stress in the sample to be induced mainly by the intragrain screening currents.

Keywords

EN

74.25.Qt; 74.72.Bk; 75.80.+q

Discipline

• 75.80.+q: Magnetomechanical effects, magnetostriction(for magnetostrictive devices, see 85.70.Ec)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2004
• Volume: 106
• Issue: 5
• Pages: 739-744

Dates

published

2004-11

received

2004-06-06

Contributors

author

A. Nabiałek

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland

author

S. Vasiliev

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland

author

B. Pytel

• Institute of Atomic Energy, 05-400 Otwock-Świerk, Poland

author

V. Chabanenko

• Donetsk Physico-Technical Institute, Ukrainian Academy of Sciences, 72 R. Luxemburg str., 83114, Donetsk, Ukraine

author

S. Piechota

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland

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Identifiers

DOI

10.12693/APhysPolA.106.739