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Susceptometry Application of Portable HTS SQUID-Based System |
Journal of Magnetics, Volume 3, Number 3, 30 Sep 1998, Pages 86-88 |
V. P. Timofeev(Department of Physics, Sun Moon University, Inst. for Low Temp. Phys. & Eng., Nat'l Academy of Sciences of Ukraine), C. G. Kim(Department of Physics, Sun Moon University), V. I. Shnyrkov(Inst. for Low Temp. Phys. & Eng., Nat'l Academy of Sciences of Ukraine) |
Abstract |
A portable RF HTS SQUID-based susceptometer was used for small size magnetized sample testing in weak DC (up to 200 A/m) and AC (up to 4 A/m) magnetic fields. The system resolution for the magnetic moment is of the order of 1.6×10-10 A·m2. The measured DC susceptibility of a tested sample agrees well with the value obtained by using a commercial liquid helium susceptometer. |
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