Realization of quantum-dot cellular automata using semiconductor quantum dots
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Acknowledgements
This work was jointly supported by EPSRC and EU funding (QUADRANT Grant No: 23362). We also acknowledge the support from Toshiba Research Europe Limited and the Newton trust.
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2022, OptikCitation Excerpt :The electrons are in the top left and bottom right dots in one state, and the bottom left and top right dots in the other. These polarizations represent the logic 0 and 1 [12]. The QCA cell can be seen in Fig. 1 with the electron and the quantum dot.
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2019, Microelectronics JournalCitation Excerpt :With significant advances in the material, semiconductor packaging appears to be promising to realize QCA devices [29,41,50]. Quantum-dots can be manufactured using semi-conductive materials such as GaAs/AlGaAs heterostructure material based on electron beam lithographically [25,57,58]. On the other hand, there are two approaches for realizing the constant polarity (−1 or +1) of cell in QCA.
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2017, Microprocessors and MicrosystemsCitation Excerpt :The fabrication of nanomagnetic QCA cell has been reported in [14]. The semiconductor QCA method can be fabricated using electron beam lithographically defined on the GaAs/ALGas heterostructure material as reported in [15,16]. Fabrication and experimental demonstration of a QCA cell based on an ion-implanted phosphorus-doped silicon has been presented in [17].
An energy and cost efficient majority-based RAM cell in quantum-dot cellular automata
2017, Results in PhysicsCitation Excerpt :Moreover, the fabrication of nano-magnetic QCA cell has been reported in [19]. In addition, the semiconductor QCA type can be implemented based on electron beam lithographically on the GaAs/ALGas heterostructure material as reported in [20,21]. The semiconductor QCA cell simplifies encoding binary information and is more suitable for binary computation as in each cell there are two quantum dots which can provide two distinct codes [8,9].
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