All Spin Logic
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8 | [[Image(ASL.jpg, 160px, class=align-left nolink)]] | |||
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10 | Electronic devices have traditionally been based on controlling the flow of charge. However, electrons carry both charge and “spin”, the latter being responsible for magnetic phenomena. | |||
11 | Over the last decade or so, the fields of Spintronics and magnetism have evolved into one large field. This is primarily due to two key experimentally demonstrated phenomena: spin injection into metals/semiconductors from magnetic contacts and spin induced magnetization dynamics of magnets by spin transfer torque. | |||
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13 | These demonstrations suggest an all-spin approach to information processing. Magnets inject spins and spins turn magnets forming a closed “'''''ecosystem'''''” without the need to convert to charge. A recently proposed concept called '''''all spin logic''''' (ASL) uses magnets to represent non-volatile data and communicate between them using spin currents with the energy coming from the power supply. | |||
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15 | ASL approach to information processing uses a formalism recently developed at Purdue University for integrated spin-magnet circuits. This approach is particularly powerful in that it combines various spin related phenomena such as spin-injection, spin-transport and spin-detection with that of magnet dynamics into one unified '''''spin-circuit''''' theory. This formalism does not use approximations in defining the elements of the spin-magnet circuit as usually done in defining compact models. At the same time, it is capable of modeling integrated circuits composed of many magnets interconnected with spin-coherent interconnects. | |||
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17 | Learn more about the ASL approach to information processing from the resources available on this site, listed below. | |||
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26 | + | ==== 1) Information processing with spins and magnets: basic concepts with simple figures ====
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28 | + | ==== 2) Applications to digital logic ====
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31 | + | ==== 3) Applications to neuromorphic networks ====
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34 | - | ==== Research Publications ====
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+ | ==== 4) Research Publications ====
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36 | * B. Behin-Aein, D. Datta, S. Salahuddin and S. Datta, "''__Proposal for and all-spin logic device with built-in memory__''," | |||
37 | [http://www.nature.com/nnano/journal/v5/n4/abs/nnano.2010.31.html Nature Nanotechnology, ''5'', 266, (2010)] | |||
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39 | * B. Behin-Aein and S. Datta, "''__All-spin logic__''," | |||
40 | [http://ieeexplore.ieee.org/search/freesrchabstract.jsp?tp=&arnumber=5551948&openedRefinements%3D*%26filter%3DAND%28NOT%284283010803%29%29%26searchField%3DSearch+All%26queryText%3Dall+spin+logic, Device Research Conference (DRC), (2010)] | |||
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42 | * B. Behin-Aein, A. Sarkar, S. Srinivasan and S. Datta, "''__Switching energy-delay of all spin logic devices__''," | |||
43 | [http://apl.aip.org/resource/1/applab/v98/i12/p123510_s1 Applied Physics Letters ''98'', 123510, (2011)] | |||
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45 | - | * S. Srinivasan, A. Sarkar , B. Behin-Aein and S. Datta, "''__All-Spin Logic Device with inbuilt Non-Reciprocity__'',"
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46 | - | [http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=6028133 IEEE Transactions on Magnetics, ''47'',4026, (2011)]
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48 | * S. Srinivasan, A. Sarkar , B. Behin-Aein and S. Datta, "''__Unidirectional information transfer with cascaded All Spin Logic devices: A Ring Oscillator__''," | |||
49 | [http://ieeexplore.ieee.org/search/freesrchabstract.jsp?tp=&arnumber=5994470&openedRefinements%3D*%26filter%3DAND%28NOT%284283010803%29%29%26searchField%3DSearch+All%26queryText%3Dall+spin+logic, Device Research Conference (DRC), (2011)] | |||
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51 | + | * S. Srinivasan, A. Sarkar , B. Behin-Aein and S. Datta, "''__All-Spin Logic Device with inbuilt Non-Reciprocity__'',"
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52 | + | [http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=6028133 IEEE Transactions on Magnetics, ''47'',4026, (2011)]
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54 | * A. Sarkar, S. Srinivasan, B. Behin-Aein and S. Datta, "''Modeling All Spin Logic: | |||
55 | - | Multi-magnet Networks Interacting via Spin Currents''," To appear: International electron devices meeting (IEDM) technical digest, (2011). |
+ | Multi-magnet Networks Interacting via Spin Currents''," To appear: International electron devices meeting (IEDM) technical digest, (2011).
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59 | + | ==== 5) Review Articles ==== |