✦ LIBER ✦

PtCo/Au nanocomposite: Synthesis, characterization, and magnetic properties

✍ Scribed by Jingtao Dai; Yukou Du; Fangwei Wang; Ping Yang

Publisher: Elsevier Science
Year: 2007
Tongue: English
Weight: 528 KB
Volume: 39
Category: Article
ISSN: 1386-9477
DOI: 10.1016/j.physe.2007.06.034

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✦ Synopsis

Magnetic PtCo/Au nanocomposites with narrow size distribution were synthesized in a reverse micelle, followed by a post-synthesis handling of the stabilizer-exchange technique. The PtCo/Au nanocomposites were characterized by ultraviolet visible spectroscopy, X-ray diffraction and transmission electron microscopy, respectively. Superconducting quantum interference device studies revealed that the nanocomposites were superparamagnetic above the blocking temperature (T B ¼ 69 K), while the samples were ferromagnetic with Hc (628 Oe) and Ms (2.97 emu/g) at 5 K.

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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.