Hall cross size scaling and its application to measurements on nanometer-size iron particle arrays

Details Hall cross size scaling and its application to measurements on nanometer-size iron particle arrays Hall cross size scaling and its application to measurements on nanometer-size iron particle arrays

1999-12-14

arxiv.org/abs/cond-mat/9912266v1

Physics

Condensed Matter

Materials Science

3 pages, 3 figures

Scientific paper

10.1063/1.126607

Hall crosses were used to measure the magnetic properties of arrays of ferromagnetic, nanometer-scale iron particles. The arrays typically consist of several hundred particles of 9 -- 20 nm in diameter. It is shown that the sensitivity of the measurements can be improved by matching the areas of the Hall cross and the array grown onto it by at least an order of magnitude. We predict that single particles of diameter as small as 10 nm can be measured if grown onto a Hall cross of appropriate size.

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