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Published December 15, 2002 | public
Journal Article Open

Sample-detector coupling in atomic resolution magnetic resonance diffraction


A technique for potential realization of atomic resolution magnetic resonance diffraction was recently proposed for the case of a crystalline sample in proximity of a ferromagnetic sphere [M. Barbic, J. Appl. Phys. 91, 9987 (2002)]. This article predicted the detection of distinct peaks in the number of resonant spin sites at different magnetic field values for specific sphere and crystal configurations. Here, the focus is on the specific detection coupling mechanisms between the resonant spin population of the sample and the magnetic sphere probe. We investigate and compare the force, torque, and flux detection mechanisms in order to provide guidance to the experimental efforts towards the realization of the atomic resolution magnetic resonance diffraction. We also investigate the dependence of the magnetic resonance diffraction spectrum on the relative position of the magnetic sphere with respect to the crystal lattice.

Additional Information

©2002 American Institute of Physics. (Received 19 June 2002; accepted 25 September 2002; publisher error corrected 18 April 2003) [Error correction is included as an additional file.] The authors thank Joyce Wong for careful reading of the manuscript, and Jim Hone and Carlo Callegari for insightful discussions. This work was supported by the grants from the ARO DAAD19-00-1-0392, DARPA MDA972-00-1-0019, and AFOSR F49620-01-1-0497.


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