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The Journal of Engineering

Impact of nanomagnets size on switching behaviour of all spin logic devices

Content Provider	IET Digital Library
Author	Wang, Sen Cai, Li Qi, Kai Yang, Xiaokuo Feng, Chaowen Cui, Huanqing
Abstract	Under different nanomagnets’ size, switching behaviour of all spin logic (ASL) devices constructed with Co and permalloy (Py) nanomagnets are studied by using the coupled spin-transport/magneto-dynamics model. The results indicate that ASL devices’ switching delay and energy dissipation can be reduced by decreasing the thickness of nanomagnets. The switching delay and energy dissipation of PyASL are lower than those of CoASL in a smaller thickness of nanomagnet, but they increase much faster than those of CoASL when the nanomagnets (FM) thickness increases. With the dimensional scaling of nanomagnets, the ASL devices’ switching delay and energy dissipation decrease rapidly and the influence of thermal noise become weak. Moreover, under the same nanomagnet volume, ASL devices’ switching delay, energy dissipation, and energy barrier can be reduced by decreasing aspect ratio. These findings can provide guidelines for optimising the ASL devices’ materials and size.
Starting Page	508
Ending Page	513
Page Count	6
Volume Number	11
e-ISSN	17500443
Issue Number	Issue 9, Sep (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/mnl/11/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/mnl.2016.0163
Journal	Micro & Nano Letters
Publisher Date	2016-09-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	All-spin Logic Device Cobalt Energy Dissipation Logic And Switching Circuit Logic Circuit Logic Device Magneto-acoustic Wave Device Magneto-dynamics Model Magnetoelectronics Magnetoresistive Wave Device Magnetostrictive And Magnetostatic Wave Device Nanomagnetics Nanomagnets Size Permalloy Permalloy Nanomagnets Spin-transport Model Switching Behaviour Switching Delay
Content Type	Text
Resource Type	Article

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