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標題: An approach to growth of Fe-Si multilayers with controlled composition profile-a way to exchange coupled thin films
作者: Gouralnik, A S
Pustovalov, E V
Lin, K-W
Chuvilin, A L
Chusovitina, S V
Dotsenko, S A
Cherednichenko, A I
Plotnikov, V S
Ivanov, V A
Belokon, V I
Tkachenko, I A
Galkin, N G
關鍵字: iron silicides;intermixing;HRTEM;HAADF–STEM;EELS;EDX;magnetometry
Project: Nanotechnology, Volume 28, Issue 11, Page(s) 115303.
The growth, composition and structure of sandwich structures (Fe-rich layer/Si-rich layer/Fe-rich silicide layer) grown on a Si(111) surface were studied by a few complementary microscopic and spectroscopic techniques with high spatial resolution. Intermixing at the Fe/Si and Si/Fe interfaces is demonstrated. Fe-rich layers grown directly on the Si(111) surface are crystalline and have abrupt but rough interfaces at both sides. The succeeding layers are disordered and their interfaces are fuzzy. The distributions of Fe and Si within the layers are laterally non-uniform. The reproducible fabrication of thin non-magnetic silicide spacers of predetermined thickness is demonstrated. Sandwich structures with such spacers exhibit exchange coupling between ferromagnetic Fe-rich layers.
DOI: 10.1088/1361-6528/aa5c96
Appears in Collections:材料科學與工程學系

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