Switching behavior of logic circuits by magnetic quantum cellular automata | Zendy

Li Cai | Zendy; Zhao Xiao-hui | Zendy; Yang Xiao-Kuo | Zendy; Peng Bai | Zendy; Feng Chao-Wen | Zendy; Lisen Zhang | Zendy; Qiang Kang | Zendy

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Switching behavior of logic circuits by magnetic quantum cellular automata

Author(s) -

Li Cai,

Zhao Xiao-hui,

Yang Xiao-Kuo,

Peng Bai,

Feng Chao-Wen,

Lisen Zhang,

Qiang Kang

Publication year - 2011

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.60.098503

Subject(s) - nanomagnet , inverter , logic gate , electronic circuit , quantum dot cellular automaton , cellular automaton , physics , and gate , computer science , electrical engineering , condensed matter physics , quantum mechanics , voltage , magnetic field , engineering , algorithm , magnetization

In this paper, switching behaviors of MQCA inverter and majority logic gate with various nanomagnet thicknesses and spacings are studied. Single domain approximation Landau-Lifshitz-Gilbert equation is employed to model and simulate the circuits. It is shown that thicker nanomagnet needs larger switching magnetic pulse and logic circuits comprised of thicker nanomagnet demonstrate slower switching; majority logic gate needs more time to switch than inverter when they have the same nanomagnet thicknesses and spacings. Moreover, it is also shown that nanomagnet spacing has a larger effect on switching behavior of inverter than on majority logic gate.

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