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Manipulating quinary charge states in solitary defects of 2D intermetallic semiconductor


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IMAGE: (a) Typical STM image of Sn2Bi with two defects: A1 and A2. (b) Differential conductance maps of A1 and A2 taken at -0.75 V. (c) Top view (up) and side.
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Credit: @Science China Press
Single atomic defect is the smallest structural unit of solid material. The construction of devices based on single defect can reach the limit of miniaturization of semiconductor devices. In the past decades, the creation and manipulation of single defects in semiconductors opened a new research field, and could be used to physically realize qubits of solid-state quantum computation through spin or electron charge. Most interest have focused on the studies of spin quantum computing. However, the spin manipulation need an optical and magnetic field. On the contrary, multiple charge states can be written and read using only an electric field, which will result in a more compact device size and compatibility with modern electronic technology. A success ....

Peng Cheng , Jian Gou , Yong Xu , Kehui Wu , Wenhui Duan , Bingyu Xia , Xuguang Wang , Institute Of Physics , National University Of Singapore , Tsinghua University , Chinese Academy Of Sciences , Chinese Academy , Andrew Wee , National University , Chemistry Physics Materials Sciences , பெங் செங் , ஜியான் கௌ , யோங் ஐயூ , நிறுவனம் ஆஃப் இயற்பியல் , தேசிய பல்கலைக்கழகம் ஆஃப் சிங்கப்பூர் , சீன கலைக்கழகம் ஆஃப் அறிவியல் , சீன கலைக்கழகம் , ஆண்ட்ரூ வீ , தேசிய பல்கலைக்கழகம் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,