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arXiv 1504.01231cond-mat.mes-hall
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磁性单电子晶体管可重构布尔逻辑

Reconfigurable Boolean Logic using Magnetic Single-Electron Transistors

M. F. Gonzalez-Zalba, C. Ciccarelli, L. P. Zarbo, A. C. Irvine, R. P. Campion, B. L. Gallagher, T. Jungwirth, A. J. Ferguson, J. Wunderlich

摘要:

我们提出了一种新的可重编程低功耗逻辑操作的混合单电子器件,磁性单电子晶体管(MSET)。该器件由铝单电子晶体管和GaMnAs磁性背栅组成。不同逻辑门功能之间的改变是通过重新定向磁层的磁矩来实现的,所述磁矩在MSET的库仑阻塞振荡上引起电压偏移。我们表明,我们可以任意重新编程的功能的设备从n型SET的GaMnAs层的面内磁化到p型SET的面外磁化方向。此外,我们展示了一组可重编程的布尔门和它的逻辑互补在单个器件级。最后,我们提出了两套可重构的二进制门使用的下拉网络中的两个MSET的组合。

英文摘要:

We propose a novel hybrid single-electron device for reprogrammable low-power logic operations, the magnetic single-electron transistor (MSET). The device consists of an aluminium single-electron transistors with a GaMnAs magnetic back-gate. Changing between different logic gate functions is realized by reorienting the magnetic moments of the magnetic layer which induce a voltage shift on the Coulomb blockade oscillations of the MSET. We show that we can arbitrarily reprogram the function of the device from an n-type SET for in-plane magnetization of the GaMnAs layer to p-type SET for out-of-plane magnetization orientation. Moreover, we demonstrate a set of reprogrammable Boolean gates and its logical complement at the single device level. Finally, we propose two sets of reconfigurable binary gates using combinations of two MSETs in a pull-down network.

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