To investigate the influence of the residual implant damage and postimplant annealing upon the structure and magnetic properties of Mn-implanted Si, lattice disorder depth profiles were obtained from Rutherford backscattering spectroscopy (RBS)-channeling experiments on Mn-implanted ⟨100⟩ oriented -type Si wafers. The defect concentration profiles were extracted from the RBS spectra using the two beam model. These profiles reveal a strong influence of the postimplant annealing temperatures upon the defects generated from implantation. Specifically, above , the backscattering yield from Si lattice defects decreases, which is coincident with a decrease in the magnetization. The evolution of the Mn concentration profiles and the magnetization suggest that the magnetization originates from Mn atoms located in the least damaged region.
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July 2007
Research Article|
July 02 2007
Implantation damage study in ferromagnetic Mn-implanted Si
C. Awo-Affouda;
C. Awo-Affouda
College of Nanoscale Science and Engineering,
University at Albany-SUNY
, Albany, New York 12203
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M. Bolduc;
M. Bolduc
College of Nanoscale Science and Engineering,
University at Albany-SUNY
, Albany, New York 12203
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V. P. LaBella
V. P. LaBella
a)
College of Nanoscale Science and Engineering,
University at Albany-SUNY
, Albany, New York 12203
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a)
Electronic mail: vlabella@uamail.albany.edu
J. Vac. Sci. Technol. A 25, 976–979 (2007)
Article history
Received:
October 03 2006
Accepted:
February 05 2007
Citation
C. Awo-Affouda, M. Bolduc, V. P. LaBella; Implantation damage study in ferromagnetic Mn-implanted Si. J. Vac. Sci. Technol. A 1 July 2007; 25 (4): 976–979. https://doi.org/10.1116/1.2713117
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