Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 132, Issue 40, Pages 13960-13962Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja104791x
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Funding
- National Science Foundation [CAREER: 0449829]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0851581, 0959546] Funding Source: National Science Foundation
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We have prepared gadolinium doped europium sulfides, Eu1-xGdxS for a doping range of 0 <= x <= 0.1 by thermal decomposition of the precursors Eu(S2CNEt2)(3)Phen/Gd(S2CNEt2)(3)Phen with respective ratios. Electron doping provides indirect evidence for the magnetic coupling through carrier electrons in magnetic semiconductors. Based on the magnetic properties, we determined that the paramagnetic Curie temperature, Theta p, varies with doping level, in a similar way to Eu1-xGdxO exhibiting a significant increase at low doping levels. All materials have been characterized by X-ray powder diffraction, magnetic measurements, ICP-MS, and TEM.
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