Multilayer nanogranular films (Co40Fe40B20) 50 (SiO2) 50/α-Si: H and (Co40Fe40B20) 50 (SiO2) 50/SiO2: magnetic properties
SV Komogortsev, EA Denisova, RS Iskhakov… - Journal of Applied …, 2013 - pubs.aip.org
Magnetic properties of multilayers, consisting of nanogranular (Co 40 Fe 40 B 20) 50 (SiO 2)
50 layers as thin as magnetic granule diameter alternating the α-Si: H or SiO 2 layers and
the single layer film (Co 40 Fe 40 B 20) 50 (SiO 2) 50 with the thickness much larger than the
magnetic granule diameter are reported and compared. The thick single layer film is
ferromagnetic but the multilayer film with the ultrathin granular layers and SiO 2 spacer is
superparamagnetic. This is interpreted as the result of increasing percolation threshold in …
50 layers as thin as magnetic granule diameter alternating the α-Si: H or SiO 2 layers and
the single layer film (Co 40 Fe 40 B 20) 50 (SiO 2) 50 with the thickness much larger than the
magnetic granule diameter are reported and compared. The thick single layer film is
ferromagnetic but the multilayer film with the ultrathin granular layers and SiO 2 spacer is
superparamagnetic. This is interpreted as the result of increasing percolation threshold in …
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