APPLIED PHYSICS

THE SCIENTIFIC AND TECHNICAL JOURNAL

No. 2 Founded in 1994 Moscow 1995

MODULATION METHOD OF MEASUREMENT OF NONLINEAR ELECTRIC AND MAGNETIC PROPERTIES OF YBa2Cu3O7-d

M. A. Vasjutin, N. D. Kuzmichev, V. V. Slavkin
Mordovia State University, Ruzaevka, Russia

A. I. Golovashkin, I. S. Levchenko
P. N. Lebedev Institute of Physics, RAS, Moscow, Russia

   With modulation method it was measured magnetization and voltage garmonics amplitudes of polycrystal YBa2Cu3O7-d samples. It was experimentally found that two systems of weak links existed, intergraniilar and intragranular. This leads to more complicated form of the I-V curve.

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