Circuit Simulation of Magnetization Dynamics and Spin Transport

Author

Bonhomme, Phillip ; Manipatruni, Sasikanth ; Iraei, Rouhollah M. ; Rakheja, Shaloo ; Sou-Chi Chang ; Nikonov, Dmitri E. ; Young, Ian A. ; Naeemi, Azad

Author_Institution

Sch. of Electr. & Comput. Eng., Georgia Inst. of Techology, Atlanta, GA, USA

Volume

61

Issue

5

fYear

2014

fDate

May-14

Firstpage

1553

Lastpage

1560

Abstract

In this paper, compact circuit models for spintronic devices have been developed by manipulating the underlying physical equations. We have simulated, via circuit simulation: 1) the magnetization dynamics governed by the Landau-Lifshitz-Gilbert (LLG) equation and 2) the spin transport physics governed by the spin drift-diffusion equation. The models have been validated using numerical and analytical solutions of the LLG equation and the spin drift-diffusion equations, respectively. Simulations of an all-spin logic device demonstrate the applications of the developed models in device and circuit simulation.

Keywords

circuit simulation; magnetic logic; magnetisation; magnetoelectronics; numerical analysis; LLG equation; Landau-Lifshitz-Gilbert equation; all-spin logic device; analytical solutions; circuit simulation; compact circuit models; magnetization dynamics; numerical solutions; physical equations; spin drift-diffusion equation; spin transport physics; Circuit simulation; Equations; Integrated circuit modeling; Magnetization; Magnetoelectronics; Mathematical model; Numerical models; Circuit theory; magnetoelectronics; modeling; spin polarized transport; spin polarized transport. ??;

fLanguage

English

Journal_Title

Electron Devices, IEEE Transactions on

Publisher

ieee

ISSN

0018-9383

Type

jour

DOI

10.1109/TED.2014.2305987

Filename

6780619