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Title: Utilization of magnetoelectric potential in ballistic nanodevices
Authors: Tan, S.G. 
Jalil, M.B.A. 
Bala Kumar, S. 
Teo, K.L. 
Liew, T. 
Issue Date: 2006
Source: Tan, S.G., Jalil, M.B.A., Bala Kumar, S., Teo, K.L., Liew, T. (2006). Utilization of magnetoelectric potential in ballistic nanodevices. Journal of Applied Physics 99 (8) : -. ScholarBank@NUS Repository.
Abstract: We propose a ballistic, coherent transmission system that utilizes the magnetic and electric barriers as Boolean input variables to realize functions similar in principle to the conventional logic gates. For practical implementation of these functions, we propose to use a device construct based on the high-electron-mobility transistor (HEMT) with ferromagnetic (FM) and nonmagnetic (NM) metal gates deposited on top of the HEMT heterostructure. This device system can be manipulated to realize multiple logic functions such as OR, AND, and their inverse by applying different magnetic and electric field configurations on the FM and the NM gates. The charge transport simulation is based on the single particle effective mass Hamiltonian and ballistic charge transport. The calculation results demonstrate clear binary outputs corresponding to various logic functions, with "high" ("low") state having transmission probability of T>90% (T<10%). © 2006 American Institute of Physics.
Source Title: Journal of Applied Physics
ISSN: 00218979
DOI: 10.1063/1.2187345
Appears in Collections:Staff Publications

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