Structure and magnetic anisotropy studies on Co/W bilayers

WU Xiao-Shan; ZHANG Ai-Mei; YIU Biao; HU An; WU Zong-Hua

Chinese Physics C> 2005, Vol. 29> Issue(S1) : 28-31

Structure and magnetic anisotropy studies on Co/W bilayers

Lab of Solid State Microstructures, Center for Advanced Studies in Science and Technology of Microstructures, Department of Physics, Nanjing University, Nanjing 210093, China2 BSRF, Institute of High Energy Physics, CAS, Beijing 100049, China

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Abstract：
Three sets of Co/W bilayers with varying Co and/or W layer thickness were prepared by d.c. magnetosputtering technique. The magnetic properties of Co/W bilayers have been investigated using ferromagnetic resonance (FMR) and vibrating sample magnetomete.Specular X-ray reflectivity and high angle X-ray diffraction were used to characterize the structure of the deposited samples. The saturation magnetization of Co increased with Co thickness but was smaller than that of bulk hcp Co. The larger interface roughness and FMR line-width for the thinner Co/W films indicate the inhomogeneity of Co and/or W layers.

References

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WU Xiao-Shan, ZHANG Ai-Mei, YIU Biao, HU An and WU Zong-Hua. Structure and magnetic anisotropy studies on Co/W bilayers[J]. Chinese Physics C, 2005, 29(S1): 28-31.

WU Xiao-Shan, ZHANG Ai-Mei, YIU Biao, HU An and WU Zong-Hua. Structure and magnetic anisotropy studies on Co/W bilayers[J]. Chinese Physics C, 2005, 29(S1): 28-31. shu

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Received: 2005-10-28
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Structure and magnetic anisotropy studies on Co/W bilayers

Corresponding author: WU Xiao-Shan,

Lab of Solid State Microstructures, Center for Advanced Studies in Science and Technology of Microstructures, Department of Physics, Nanjing University, Nanjing 210093, China2 BSRF, Institute of High Energy Physics, CAS, Beijing 100049, China

Received Date: 2005-10-28

Accepted Date: 1900-01-01

Available Online: 2005-01-02

Abstract: Three sets of Co/W bilayers with varying Co and/or W layer thickness were prepared by d.c. magnetosputtering technique. The magnetic properties of Co/W bilayers have been investigated using ferromagnetic resonance (FMR) and vibrating sample magnetomete.Specular X-ray reflectivity and high angle X-ray diffraction were used to characterize the structure of the deposited samples. The saturation magnetization of Co increased with Co thickness but was smaller than that of bulk hcp Co. The larger interface roughness and FMR line-width for the thinner Co/W films indicate the inhomogeneity of Co and/or W layers.

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Structure and magnetic anisotropy studies on Co/W bilayers

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