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Intrinsic Josephson junctions in a magnetic field

Avgust Yurgens (Institutionen för mikroteknologi och nanovetenskap)
Physica. C, Superconductivity (0921-4534). Vol. 404 (2004), 1-4, p. 431-439.
[Artikel, refereegranskad vetenskaplig]

Proceedings of the Third European Conference on Vortex Matter in Superconductors at Extreme Scales and Conditions

Measurements of the c-axis tunneling characteristics across mesas patterned on the surfaces of Bi2212 single crystals are discussed. The measurements provide information on the magnetic phase diagram, vortex pinning and the interplanar pancake correlations at different temperatures and magnetic fields. The pancake correlations and/or pinning can be effectively controlled by: (i) carrier concentration (oxygen content), (ii) columnar defects via heavy-ion irradiation, (iii) changes of the tunneling-barriers' width via intercalation of inert molecules or pressure.

Nyckelord: Intrinsic Josephson effect, magnetoresistance, interlayer coupling

Denna post skapades 2006-09-12. Senast ändrad 2013-06-04.
CPL Pubid: 288


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Institutionen för mikroteknologi och nanovetenskap



Chalmers infrastruktur