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Barman S, Saha S, Mondal S, et al. Enhanced Amplification and Fan-Out Operation in an All-Magnetic Transistor. Sci Rep. 2016;6:33360doi: 10.1038/srep33360.
Barman, S., Saha, S., Mondal, S., Kumar, D., & Barman, A. (2016). Enhanced Amplification and Fan-Out Operation in an All-Magnetic Transistor. Scientific reports, 633360. https://doi.org/10.1038/srep33360
Barman, Saswati, et al. "Enhanced Amplification and Fan-Out Operation in an All-Magnetic Transistor." Scientific reports vol. 6 (2016): 33360. doi: https://doi.org/10.1038/srep33360
Barman S, Saha S, Mondal S, Kumar D, Barman A. Enhanced Amplification and Fan-Out Operation in an All-Magnetic Transistor. Sci Rep. 2016 Sep 14;6:33360. doi: 10.1038/srep33360. PMID: 27624662; PMCID: PMC5022038.
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Sci Rep. 2016 Sep 14;6:33360. doi: 10.1038/srep33360.

Enhanced Amplification and Fan-Out Operation in an All-Magnetic Transistor.

Scientific reports

Saswati Barman, Susmita Saha, Sucheta Mondal, Dheeraj Kumar, Anjan Barman

Affiliations

  1. Department of Condensed Matter Physics and Material Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sec. III, Salt Lake, Kolkata 700106, India.

PMID: 27624662 PMCID: PMC5022038 DOI: 10.1038/srep33360

Abstract

Development of all-magnetic transistor with favorable properties is an important step towards a new paradigm of all-magnetic computation. Recently, we showed such possibility in a Magnetic Vortex Transistor (MVT). Here, we demonstrate enhanced amplification in MVT achieved by introducing geometrical asymmetry in a three vortex sequence. The resulting asymmetry in core to core distance in the three vortex sequence led to enhanced amplification of the MVT output. A cascade of antivortices travelling in different trajectories including a nearly elliptical trajectory through the dynamic stray field is found to be responsible for this amplification. This asymmetric vortex transistor is further used for a successful fan-out operation, which gives large and nearly equal gains in two output branches. This large amplification in magnetic vortex gyration in magnetic vortex transistor is proposed to be maintained for a network of vortex transistor. The above observations promote the magnetic vortex transistors to be used in complex circuits and logic operations.

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