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基于交换作用的纳磁逻辑电路片上时钟结构研究

张明亮 蔡理 杨晓阔 秦涛 刘小强 冯朝文 王森

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基于交换作用的纳磁逻辑电路片上时钟结构研究

张明亮, 蔡理, 杨晓阔, 秦涛, 刘小强, 冯朝文, 王森

On-chip clocking for exchange-interaction-based nanomagnetic logic circuits

Zhang Ming-Liang, Cai Li, Yang Xiao-Kuo, Qin Tao, Liu Xiao-Qiang, Feng Chao-Wen, Wang Sen
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  • 纳磁逻辑电路具有低功耗、非易失和可常温下制备等优点, 实现低功耗片上时钟是其集成化的必备条件. 本文提出了一种基于交换作用的纳磁逻辑电路片上时钟结构, 用载流铜导线产生的奥斯特场将铁磁体薄膜覆层进行磁化, 然后依靠铁磁体层与纳磁体界面存在的交换作用场使后者磁化方向发生翻转. 与轭式铁磁体时钟用外磁场控制纳磁体磁化方向相比, 该方案在功耗方面降低了5/6, 时钟边界杂散场强度降低了2/3, 达到降低功耗、减轻串扰的目的. 此外, 采用微磁仿真进一步验证了该时钟结构上的纳磁体逻辑阵列可以实现逻辑功能.
    Nanomagnetic logic has the advantages in low power, non-volatility, and room temperature operation, however, low power on-chip clocking is the requirement of its integration. An on-chip clocking structure for a nanomagnetic logic circuit using exchange interaction is proposed in this work. This scheme is to use the Oersted field generated by current-carrying copper wire to magnetize ferromagnetic film cladding and then to switch the magnetization orientation of nanomagnets by the exchange interaction between magnetic layers. Simulation results demonstrate that the proposed scheme can reduce the power dissipation by 5/6 and the marginal spray field by 2/3 compared with the ferromagnetic yoked clocking that uses the external field to switch the magnetization. Therefore, it can reduce the power consumption and the risk of crosstalk. In addition, micromagnetic simulation verifies that nanomagnetic array laid on the proposed clocking can work functionally.
    • 基金项目: 国家自然科学基金(批准号:61172043,61302022)和陕西省自然科学基础研究计划(批准号:2013JQ8010)资助的课题.
    • Funds: Project supported by the National Natural Science Foundation of China (Grants Nos. 61172043, 61302022) and the Natural Science Basic Research Plan in Shaanxi Province of China (Grant No. 2013JQ8010).
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    [14]

    Yang X K, Cai L, Kang Q, Li Z C, Chen X Y, Zhao X H 2012 Acta Phys. Sin. 61 097503 (in Chinese) [杨晓阔, 蔡理, 康强, 李政操, 陈祥叶, 赵晓辉 2012 物理学报 61 097503]

    [15]

    Alam M T, Siddiq M J, Bernstein G H, Niemier M, Porod W, Hu X S 2010 IEEE Trans. Nanotechnol. 9 348

    [16]

    Alam M T, Kurtz S J, Siddiq M, Niemier M T, Bernstein G H, Hu X S, Porod W 2012 IEEE Trans. Nanotechnol. 11 273

    [17]

    Li P, Csaba G, Niemier M, Hu X S, Nahas J, Porod W, Bernstein G H 2013 J. Appl. Phys. 113 17B906

    [18]

    Atulasimha J, Bandyopadhyay S 2010 Appl. Phys. Lett. 97 173105

    [19]

    Roy K, Bandyopadhyay S, Atulasimha J 2012 J. Appl. Phys. 112 023914

    [20]

    Bhowmik D, You L, Salahuddin S 2013 Nature Nanotechnol. 24 1

    [21]

    Zhu T 2014 Chin. Phys. B 23 047504

    [22]

    Stöhr J, Siegmann H C 2010 Magnetism: From Fundamentals to Nanoscale Dynamics (Beijing: World Publishing Corporation) pp68-79, 167, 637, 681-687.

    [23]

    Liu W, Liu X H, Cui W B, Gong W J, Zhang Z D 2013 Chin. Phys. B 22 027104

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    Yang X K, Cai L, Huang H T, Bai P, Peng W D 2011 Micro & Nano Lett. 6 353

  • [1]

    Duan C G 2009 Progress in Physics 29 215 (in Chinese) [段纯刚 2009 物理学进展 29 215]

    [2]

    Dobson J 2008 Nature Nanotech. 3 139

    [3]

    Lou J Y, Jiang X S, Xu T J, Liang D L, Jiao F J, Gao L 2012 Rare Metals 31 507

    [4]

    Zhang D, Zhai Y, Zhai H R 2007 Chin. Phys. B 16 1725

    [5]

    Liu H F, Ali S S, Han X F 2014 Chin. Phys. B 23 077501

    [6]

    Imre A, Csaba G, Ji L, Orlov A, Bernstein G H, Porod W 2006 Science 311 205

    [7]

    Yang X K, Cai L, Zhang M L, Duan X H, Wang Z 2013 Acta Electron. Sin. 41 1609 (in Chinese) [杨晓阔, 蔡理, 张明亮, 段小虎, 王卓 2013 电子学报 41 1609]

    [8]

    Yang X K, Cai L, Kang Q, Bai P, Zhao X H, Feng C W, Zhang L S 2011 Acta Phys. Sin. 60 098503 (in Chinese) [杨晓阔, 蔡理, 康强, 柏鹏, 赵晓辉, 冯朝文, 张立森 2011 物理学报 60 098503]

    [9]

    Orlov A, Imre A, Csaba G, Ji L, Porod W, Bernstein G H 2008 J. Nanoelect. Optoelectr. 3 1

    [10]

    Lambson B, Gu Z, Carlton D, Dhuey S, Scholl A, Doran A, Young A, Bokor J 2012 Appl. Phys. Lett. 100 152406

    [11]

    Lyle A, Harms J, Klein T, Lentsch A, Klemm A, Martens D, Wang J P 2011 AIP Adv. 1 042177

    [12]

    Colci M, Johnson M 2013 IEEE Trans. Nanotechnol. 12 824

    [13]

    Yang X K, Cai L, Wang J H, Huang H T, Zhao X H, Li Z C, Liu B J 2012 Acta Phys. Sin. 61 047502 (in Chinese) [杨晓阔, 蔡理, 王久洪, 黄宏图, 赵晓辉, 李政操, 刘保军 2012 物理学报 61 047502]

    [14]

    Yang X K, Cai L, Kang Q, Li Z C, Chen X Y, Zhao X H 2012 Acta Phys. Sin. 61 097503 (in Chinese) [杨晓阔, 蔡理, 康强, 李政操, 陈祥叶, 赵晓辉 2012 物理学报 61 097503]

    [15]

    Alam M T, Siddiq M J, Bernstein G H, Niemier M, Porod W, Hu X S 2010 IEEE Trans. Nanotechnol. 9 348

    [16]

    Alam M T, Kurtz S J, Siddiq M, Niemier M T, Bernstein G H, Hu X S, Porod W 2012 IEEE Trans. Nanotechnol. 11 273

    [17]

    Li P, Csaba G, Niemier M, Hu X S, Nahas J, Porod W, Bernstein G H 2013 J. Appl. Phys. 113 17B906

    [18]

    Atulasimha J, Bandyopadhyay S 2010 Appl. Phys. Lett. 97 173105

    [19]

    Roy K, Bandyopadhyay S, Atulasimha J 2012 J. Appl. Phys. 112 023914

    [20]

    Bhowmik D, You L, Salahuddin S 2013 Nature Nanotechnol. 24 1

    [21]

    Zhu T 2014 Chin. Phys. B 23 047504

    [22]

    Stöhr J, Siegmann H C 2010 Magnetism: From Fundamentals to Nanoscale Dynamics (Beijing: World Publishing Corporation) pp68-79, 167, 637, 681-687.

    [23]

    Liu W, Liu X H, Cui W B, Gong W J, Zhang Z D 2013 Chin. Phys. B 22 027104

    [24]

    Yang X K, Cai L, Huang H T, Bai P, Peng W D 2011 Micro & Nano Lett. 6 353

计量
  • 文章访问数:  4292
  • PDF下载量:  425
  • 被引次数: 0
出版历程
  • 收稿日期:  2014-06-14
  • 修回日期:  2014-07-09
  • 刊出日期:  2014-11-05

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