Paper Title:
Glycothermal Synthesis and Magnetic Properties of YIG/YAG Nanoparticles
  Abstract

Yttrium aluminum garnet (YAG) nanoparticles of 14.5±3.2 nm in diameter are synthesized from yttrium acetate and aluminum isopropoxide in 1,4-butanediol by autoclave treatment at 300oC for 2h. Yttrium iron garnet (YIG) / YAG composite nanoparticles of 21.1±4.9 nm in diameter are synthesized from yttrium acetate and iron(III) acetylacetonate in 1,4-butanediol by autoclave treatment at 300oC for 2h using YAG nanoparticles as the seed. In contrast, YIG is not formed by the same procedure in the absence of the YAG seed. The saturation magnetizations of nanoparticles with different YIG/YAG ratios range from 11.9 to 17.8 emu/g. YIG/YAG nanoparticles dispersed in the agarose gel are observed by magnetic resonance imaging (MRI). The degree of the negative MRI contrast depends on the concentration of YIG/YAG nanoparticles.

  Info
Periodical
Solid State Phenomena (Volumes 124-126)
Edited by
Byung Tae Ahn, Hyeongtag Jeon, Bo Young Hur, Kibae Kim and Jong Wan Park
Pages
863-866
DOI
10.4028/www.scientific.net/SSP.124-126.863
Citation
K. Noda, R. Asakura, T. Isobe, M. Morita, K. Kurokawa, T. Inubushi, T. Takagi, M. Ohkubo, "Glycothermal Synthesis and Magnetic Properties of YIG/YAG Nanoparticles", Solid State Phenomena, Vols. 124-126, pp. 863-866, 2007
Online since
June 2007
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Price
$32.00
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