Nano Science and Technology Institute
Nanotech 2012 Vol. 2
Nanotech 2012 Vol. 2
Nanotechnology 2012: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational (Volume 2)
Chapter 1: Nano Electronics & Photonic Devices

Fabrication and Characterization of of Nanoscale Tellurium Fuses for Long Term Solid State Data Storage

Authors:A.C. Pearson, B. Singh, M.R. Linford, B.M. Lunt, R.C. Davis
Affilation:Brigham Young University, US
Pages:48 - 51
Keywords:data storage, electron beam lithography, Tellurium
Abstract:We have fabricated nanoscale tellurium fuses using electron beam lithography for long term data storage applications. The tellurium fuses contain a narrow resistive region(250 nm to 10 micron). Application of a sufficiently high voltage accross the tellurium fuse causes resistive heating of the narrow region. After a sufficient temperature is reached, the tellurium melts and begins to flow until a gap is formed in the material. After the gap is formed there is no longer a path for electric current flow, causing a large permanent change in the resistance of the device. We have measured teh resistance change following gap formation and have experimentally determined the effect of voltage on the resulting gap size. Finite element simulations have been used to estimate the effect of applied voltage on the temperature of the fuses.
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