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IEEE Transactions on Nuclear Science
Hughart, David R. ; Pacheco, Jose L. ; Lohn, Andrew L. ; Mickel, Patrick R. ; Bielejec, Edward S. ; Vizkelethy, Gyorgy V. ; Doyle, Barney L. ; Wolfley, Steven L. ; Dodd, Paul E. ; Shaneyfelt, Marty R. ; McLain, Michael L. ; Marinella, Matthew J.
The locations of conductive regions in TaOx memristors are spatially mapped using a microbeam and Nanoimplanter by rastering an ion beam across each device while monitoring its resistance. Microbeam irradiation with 800 keV Si ions revealed multiple sensitive regions along the edges of the bottom electrode. The rest of the active device area was found to be insensitive to the ion beam. Nanoimplanter irradiation with 200 keV Si ions demonstrated the ability to more accurately map the size of a sensitive area with a beam spot size of 40 nm by 40 nm. Isolated single spot sensitive regions and a larger sensitive region that extends approximately 300 nm were observed.
Marinella, Matthew J. ; Marinella, Matthew J. ; Howell, Stephen W. ; Howell, Stephen W. ; Decker, Seth D. ; Decker, Seth D. ; Hughart, David R. ; Hughart, David R. ; Lohn, Andrew L. ; Lohn, Andrew L. ; Mickel, Patrick R. ; Mickel, Patrick R. ; Apodaca, Roger A. ; Apodaca, Roger A. ; Bielejec, Edward S. ; Bielejec, Edward S. ; Beechem, Thomas E. ; Beechem, Thomas E. ; Wolfley, Steven L. ; Wolfley, Steven L. ; Stevens, James E. ; Brennecka, Geoffrey L.
Abstract not provided.
Marinella, Matthew J. ; Mickel, Patrick R. ; Lohn, Andrew L. ; Hughart, David R. ; Bondi, Robert J. ; Mamaluy, Denis M. ; Hjalmarson, Harold P. ; Stevens, James E. ; Decker, Seth D. ; Apodaca, Roger A. ; Evans, Brian R. ; Aimone, James B. ; Rothganger, Fredrick R. ; James, Conrad D. ; DeBenedictis, Erik
Abstract not provided.
Marinella, Matthew J. ; Mickel, Patrick R. ; Lohn, Andrew L. ; Hughart, David R. ; Bondi, Robert J. ; Mamaluy, Denis M. ; Hjalmarson, Harold P. ; Stevens, James E. ; Decker, Seth D. ; Apodaca, Roger A. ; Evans, Brian R. ; Aimone, James B. ; Rothganger, Fredrick R. ; James, Conrad D. ; DeBenedictis, Erik
This report discusses aspects of neuromorphic computing and how it is used to model microsystems.
Applied Physics Letters
Mickel, Patrick R.; Lohn, Andrew L. ; Marinella, Matthew J.
We report resistive switching data in TaOx memristors displaying signatures of multi-filament switching modes and present a technique which enables the characterization of the evolution of multiple filaments within a single device during switching, including their temperature, heat flow, conductivity, and time evolving areas. Using a geometrically defined equivalent circuit, we resolve the individual current/voltage values of each filament and demonstrate that the switching curves of each filament collapse onto a common curve determined by the analytical steady-state resistive switching solution for filamentary switching. Finally, we discuss operational modes which may limit the formation of additional conducting filaments, potentially leading to increased device endurance. © 2014 AIP Publishing LLC.
Hughart, David R. ; Pacheco, Jose L. ; Lohn, Andrew L. ; Mickel, Patrick R. ; Bielejec, Edward S. ; Vizkelethy, Gyorgy V. ; Doyle, Barney L. ; Wolfley, Steven L. ; Dodd, Paul E. ; Shaneyfelt, Marty R. ; McLain, Michael L. ; Marinella, Matthew J.
Abstract not provided.
Nanotechnology
Lohn, Andrew L. ; Mickel, Patrick R. ; Marinella, Matthew J.
Abstract not provided.
Journal of Applied Physics
Brumbach, Michael T. ; Kalan, Michael K. ; Mirabal, Alex J. ; Mickel, Patrick R. ; Lohn, Andrew L. ; Marinella, Matthew J. ; Stevens, James E.
Abstract not provided.
Journal of Applied Physics
Brumbach, Michael T. ; Kalan, Michael K. ; Mirabal, Alex J. ; Mickel, Patrick R. ; Lohn, Andrew L. ; Marinella, Matthew J. ; Stevens, James E.
Abstract not provided.
Modern Physics Letters B
Lohn, Andrew L. ; Marinella, Matthew J.
Abstract not provided.
Lohn, Andrew L. ; James, Conrad D. ; Marinella, Matthew J.
Abstract not provided.
Hughart, David R. ; Marshall, Michael T. ; McLain, Michael L. ; Marinella, Matthew J. ; Lohn, Andrew L. ; Mickel, Patrick R. ; Dodd, Paul E. ; Shaneyfelt, Marty R. ; Silva, Antoinette I. ; Bielejec, Edward S.
Abstract not provided.
Nature Physics
Lohn, Andrew L. ; James, Conrad D. ; Marinella, Matthew J.
Abstract not provided.
Marinella, Matthew J. ; Stevens, James E. ; Mickel, Patrick R. ; Lohn, Andrew L. ; Hughart, David R.
Abstract not provided.
Marinella, Matthew J. ; Stevens, James E. ; Mickel, Patrick R. ; Lohn, Andrew L. ; Hughart, David R.
Abstract not provided.
Hughart, David R. ; Marshall, Michael T. ; McLain, Michael L. ; Marinella, Matthew J. ; Lohn, Andrew L. ; Mickel, Patrick R. ; Dodd, Paul E. ; Shaneyfelt, Marty R. ; Silva, Antoinette I. ; Bielejec, Edward S.
Abstract not provided.
Howell, Jamie D. ; Lohn, Andrew L. ; Marinella, Matthew J. ; Baca, Michael J. ; Finnegan, Patrick S. ; Wolfley, Steven L. ; Dagel, Daryl D. ; Spahn, Olga B. ; Harper, Jason C. ; Pohl, Kenneth R. ; Mickel, Patrick R.
The human brain (volume=1200cm3) consumes 20W and is capable of performing > 10^16 operations/s. Current supercomputer technology has reached 1015 operations/s, yet it requires 1500m^3 and 3MW, giving the brain a 10^12 advantage in operations/s/W/cm^3. Thus, to reach exascale computation, two achievements are required: 1) improved understanding of computation in biological tissue, and 2) a paradigm shift towards neuromorphic computing where hardware circuits mimic properties of neural tissue. To address 1), we will interrogate corticostriatal networks in mouse brain tissue slices, specifically with regard to their frequency filtering capabilities as a function of input stimulus. To address 2), we will instantiate biological computing characteristics such as multi-bit storage into hardware devices with future computational and memory applications. Resistive memory devices will be modeled, designed, and fabricated in the MESA facility in consultation with our internal and external collaborators.
JVST-A
Lohn, Andrew L. ; Decker, Seth D. ; Doyle, Barney L. ; Mickel, Patrick R. ; Marinella, Matthew J.
Abstract not provided.
JVSTA
Lohn, Andrew L. ; Mickel, Patrick R. ; Doyle, Barney L. ; Marinella, Matthew J. ; Stevens, James E.
Abstract not provided.
Lohn, Andrew L. ; McLain, Michael L. ; Marinella, Matthew J. ; Mickel, Patrick R. ; Dodd, Paul E. ; Shaneyfelt, Marty R. ; Bielejec, Edward S. ; Marshall, Michael T.
Abstract not provided.
Lohn, Andrew L. ; McLain, Michael L. ; Marinella, Matthew J. ; Mickel, Patrick R. ; Dodd, Paul E. ; Shaneyfelt, Marty R. ; Bielejec, Edward S. ; Marshall, Michael T.
Abstract not provided.
Lohn, Andrew L. ; Kotula, Paul G. ; Marinella, Matthew J.
Abstract not provided.
Lohn, Andrew L. ; Doyle, Barney L. ; Mickel, Patrick R. ; Stevens, James E. ; Marinella, Matthew J.
Abstract not provided.
Lohn, Andrew L. ; Mickel, Patrick R. ; Stevens, James E. ; Doyle, Barney L. ; Brumbach, Michael T. ; Marinella, Matthew J.
Abstract not provided.
Doyle, Barney L. ; Lohn, Andrew L. ; Mickel, Patrick R. ; Stevens, James E. ; Marinella, Matthew J.
Abstract not provided.
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