A Simple Model for Magnetization Ratios in Doped Nanocrystals

Details A Simple Model for Magnetization Ratios in Doped Nanocrystals A Simple Model for Magnetization Ratios in Doped Nanocrystals

2003-08-11

arxiv.org/abs/cond-mat/0308180v1

J. Applied Phys. 95(3), 1436-1438 (2004).

Physics

Condensed Matter

8 pages, 1 figure, 2 tables. Submitted to J. Appl. Phys

Scientific paper

10.1063/1.1637708

Recent experiments on Mn-doped ZnS nanocrystals have shown unusual magnetization properties. We describe a nearest-neighbor Heisenberg exchange model for calculating the magnetization ratios of these antiferromagnetically doped crystals, in which the dopant atoms are distributed inhomogeneously within the nanocrystal. This simple inhomogeneous doping model is capable of reproducing the experimental results, and suggests that interior dopant atoms are localized within the crystal.

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