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http://dx.doi.org/10.4283/JKMS.2009.19.4.138

Microstructure and Magnetic Properties of Electroplated Ni-Fe Permalloy Thin Films by Saccharin Concentration in Electrolytes  

Lee, Ho-Jun (Department of Physics, Chungnam National University)
Bang, Won-Bae (Department of Physics, Chungnam National University)
Hong, Ki-Min (Department of Physics, Chungnam National University)
Ko, Young-Dong (Department of Physics, Soongsil University)
Chung, Jin-Seok (Department of Physics, Soongsil University)
Lee, Hee-Bok (Department of Physics Education, Kongju National University)
Publication Information
Journal of the Korean Magnetics Society / v.19, no.4, 2009 , pp. 138-141 More about this Journal
Abstract
We studied the effects of Saccharin on the properties of electroplated Ni-Fe Permalloy thin films. When 0 to 1 ${\mu}mol/L$ of Saccharin was added to the plating electrolyte, the grain sizes of the deposits are found to decrease, which reduces the surface roughness and the coercivity and increases the permeability and magnetoimpedance. The reduction in the grain sizes is strongly correlated with increases in the incremental permeability and the magnetoimpedance. We demonstrated that Saccharine is a useful additive for the electrodeposition of soft Permalloy thin films and that the softness can be adjusted by varying the concentration of Saccharin.
Keywords
electroplating; permalloy; saccharin; additive; magnetoimpedance; permeability; coercivity;
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