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Modeling of multilevel cell memory with the BaTiO_3/Fe nanostructured multiferroic composite material

机译：用BATIO_3 / FE纳米结构多用纤复合材料建模多晶池记忆

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摘要

In order to enhance the performance of calculators, multilevel cell (MLC) memories have been proposed as an alternative solution to improve the communication speed between their processors and memories, and also in order to increase the effective storage density of memory devices. In this Rapid Communication, we propose a model of MLC memory based on a multiferroic (MF) composite material. We introduce a one-dimensional trilayer ferromagnetic/ferroelectric/ferromagnetic MF composite material through which we investigate theoretically the dynamics of an electromagnon excitation displaying a soliton structure with an envelope shape. It emerges from this study based on barium titanate (BaTiO3) and iron (Fe) that, for suitable values of the parameters of a single initial polarization excitation, some propagation scenarios display the encoding of the states of a system of two magnetic bits, i.e., the 11, 10, 01, and 00 states. In addition to this result, it is also realized that the system exhibits another scenario for which the signal propagating in the MF material is alternately converted from an electrical signal into a magnetic signal and reversely. Such outcomes suggest, on the one hand, the possibility to model a four-level MLC memory, and on the other hand, the modeling of an electromagnetic oscillator, based on a MF composite material.
机译：为了提高计算器的性能，已经提出了多级电池（MLC）存储器作为改善其处理器和存储器之间的通信速度的替代解决方案，以及增加存储器设备的有效存储密度。在这种快速的通信中，我们提出了一种基于多二二二型（MF）复合材料的MLC存储器模型。我们介绍了一维三叶子铁磁/铁电/铁磁/铁磁/铁磁性MF复合材料，我们通过该材料进行了研究，从而调查了显示具有包络形状的孤子结构的电磁励磁的动态。它从本研究中出现了基于钛酸钡（BATIO3）和铁（FE）的研究，即对于单个初始偏振激励的参数的合适值，一些传播场景显示了两个磁头系统的状态的编码，即，11,10,01和00状态。除此之外，还认识到，系统表现出另一种情况，其在MF材料中传播的信号从电信号交替地转换为磁信号并反转。这样的结果表明，一方面，可能性地建模四级MLC存储器，另一方面，基于MF复合材料的电磁振荡器的建模。

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  • 来源
    《Physical review》 |2019年第2期|020404.1-020404.6|共6页
  • 作者

    Paglan Paul Andre; Nguenang Jean Pierre;

  • 作者单位

    Univ Douala Fac Sci Dept Phys Pure Phys Lab Grp Nonlinear Phys & Complex Syst POB 24157 Douala Cameroon|Minist Sci Res & Innovat NCDT POB 1457 Yaounde Cameroon;

    Univ Douala Fac Sci Dept Phys Pure Phys Lab Grp Nonlinear Phys & Complex Syst POB 24157 Douala Cameroon|Abdus Salam Int Ctr Theoret Phys Str Costiera 11 I-34151 Trieste Italy;

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