Two-dimensional Induced Ferromagnetism

Details Two-dimensional Induced Ferromagnetism Two-dimensional Induced Ferromagnetism

2003-02-25

arxiv.org/abs/cond-mat/0302516v2

Physical Review B 68, 174427 (2003)

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 3 postscript figures, corrected paper format

Scientific paper

10.1103/PhysRevB.68.174427

Magnetic properties of materials confined to nanometer length scales are providing important information regarding low dimensional physics. Using gadolinium based Langmuir-Blodgett films, we demonstrate that two-dimensional ferromagnetic order can be induced by applying magnetic field along the in-plane (perpendicular to growth) direction. Field dependent exchange coupling is evident in the in-plane magnetization data that exhibit absence of hysteresis loop and show reduction in field required to obtain saturation in measured moment with decreasing temperature.

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