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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 3
BKCSDE 34(3)
March 20, 2013

Title	The Bonding Nature and Low-Dimensional Magnetic Properties of Layered Mixed Cu(II)-Ni(II) Hydroxy Double Salts
Author	Seong-Hun Park, Young-Duk Huh*
Keywords	Layered mixed hydroxy double salt, Crystal structures, Magnetic properties
Abstract	Layered mixed metal hydroxy double salts (HDS) with the formulas (Cu0.75Ni0.25)2(OH)3NO3 ((Cu, Ni)-HDS) and Cu2(OH)3NO3 ((Cu, Cu)-HDS) were prepared via slow hydrolysis reactions of CuO with Ni(NO3)2 and Cu(NO3)2, respectively. The crystal structures, morphologies, bonding natures, and magnetic properties of (Cu, Ni)-HDS and (Cu, Cu)-HDS were characterized with X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transformation infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA), and a superconducting quantum interference device (SQUID). Even though (Cu, Ni)-HDS has a similar layered structure to that of (Cu, Cu)-HDS, the bonding nature of (Cu, Ni)-HDS is slightly different from that of (Cu, Cu)-HDS. Therefore, the magnetic properties of (Cu, Ni)-HDS are significantly different from those of (Cu, Cu)-HDS. The origin of the abnormal magnetic properties of (Cu, Ni)-HDS can be explained in terms of the bonding natures of the interlayer and intralayer structures.
Page	768 - 772
Full Text	PDF

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