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Related papers: Field - Effect Switching in Nano-Graphite Films

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Resistive switching devices based on transition metal oxides require formation of a conductive filament in order for the device to be able to switch. Such filaments have been proposed to form by the reduction of the oxide due to application…

Applied Physics · Physics 2020-07-15 Jingjia Meng , Bingyuan Zhao , Jonathan M. Goodwill , James A. Bain , Marek Skowronski

We report measurements of magnetic switching and steady-state magnetic precession driven by spin-polarized currents in nanoscale magnetic tunnel junctions with low-resistance, < 5 Ohm-micron-squared, barriers. The current densities required…

Resistive switching in thin films has been widely studied in a broad range of materials. Yet the mechanisms behind electroresistive switching have been persistently difficult to decipher and control, in part due to their non-equilibrium…

The electrical conductivity of the switching channel of vanadium dioxide thin-film sandwich structures is studied over a wide temperature range (15-300 K). It is shown that the electrical resistance of the channel varies with temperature as…

Materials Science · Physics 2020-01-10 Alexander Pergament , Petr Boriskov , Nikolai Kuldin , Andrei Velichko

The effect of an electric field on the conductance of ultrathin films of metals deposited on substrates coated with a thin layer of amorphous Ge was investigated. A contribution to the conductance modulation symmetric with respect to the…

Superconductivity · Physics 2009-11-07 N. Markovic , C. Christiansen , G. Martinez-Arizala , A. M. Goldman

Nanographite systems, where graphene sheets of the orders of the nanometer size are stacked, show novel magnetic properties, such as, spin-glass like behaviors and the change of ESR line widths in the course of gas adsorptions. We…

Materials Science · Physics 2016-08-31 K. Harigaya

The effect of conductivity switching of wideband polymers -plasticized PVC films under the influence of mono axial pressure is experimentally investigated. For various plasticizers the value of monoaxial pressure, causing jumps of…

Chemical Physics · Physics 2010-11-01 D. V. Vlasov , L. A. Apresyan , V. I. Krystob , T. V. Vlasova

The electrical conductance G of magnetostrictive nanocontacts made from Galfenol Fe73Ga27 can be reproducibly switched between on and off states in a low magnetic field of 20 to 30 mT at 10 K. The switching behavior is in agreement with the…

Future multi-functional hybrid devices might combine switchable molecules and 2D material-based devices. Spin-crossover compounds are of particular interest in this context since they exhibit bistability and memory effects at room…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 J. Dugay , M. Aarts , M. Giménez-Marqués , T. Kozlova , H. W. Zandbergen , E. Coronado , H. S. J van der Zant

Superconducting fluctuations in long and narrow strips made from ultrathin NbN films, have been investigated. For large bias currents close to the critical current fluctuations led to localized, temporary transitions into the normal…

Superconductivity · Physics 2010-03-25 A. Engel , A. D. Semenov , H. -W. Huebers , K. Il'in , M. Siegel

We demonstrate that it is possible to distinguish two conductance switching mechanisms in silver sulfide devices at room temperature. Experiments were performed using a Ag$_2$S thin film deposited on a wide Ag bottom electrode, which was…

Mesoscale and Nanoscale Physics · Physics 2017-12-11 J. J. T. Wagenaar , M. Morales-Masis , J. M. van Ruitenbeek

Nanographite systems, where graphene sheets of the orders of the nanometer size are stacked, show novel magnetic properties, such as, spin-glass like behaviors and the change of ESR line widths in the course of gas adsorptions. We…

Condensed Matter · Physics 2007-05-23 Kikuo Harigaya

Superconducting and normal state properties of sputtered Niobium nanofilms have been systematically investigated, as a function of film thickness in a d=9-90 nm range, on different substrates. The width of the superconducting-to-normal…

A study of dynamic and reversible voltage controlled magnetization switching in ferromagnetic Co/Pt thin film with perpendicular magnetic anisotropy at room temperature is presented. The change in the magnetic properties of the system is…

Voltage-controlled resistive switching is demonstrated in various gap systems on SiO2 substrate. The nanosized gaps are made by different means using different materials including metal, semiconductor, and metallic nonmetal. The switching…

Mesoscale and Nanoscale Physics · Physics 2011-02-17 Jun Yao , Lin Zhong , Zengxing Zhang , Tao He , Zhong Jin , Patrick J. Wheeler , Douglas Natelson , James M. Tour

The optical properties of Nd$_{0.7}$Sr$_{0.3}$MnO$_3$ thin films have been studied from 5 meV to 25 meV and from 0.25 eV to 3 eV, at temperatures from 15 K to 300 K and magnetic fields up to 8.9 T. A large transfer of spectral weight from…

Condensed Matter · Physics 2007-05-23 S. G. Kaplan , M. Quijada , H. D. Drew , D. B. Tanner , G. C. Xiong , R. Ramesh , C. Kwon , T. Venkatesan

An atomic force microscope is used to structure a film of multilayer graphene. The resistance of the sample was measured in-situ during nanomachining a narrow trench. We found a reversible behavior in the electrical resistance which we…

Mesoscale and Nanoscale Physics · Physics 2008-07-28 P. Barthold , T. Luedtke , R. J. Haug

Individual metallic single-wall carbon nanotubes show unsual non-Ohmic transport behaviors at high bias fields. For low resistance contact samples, the differential conductance dI/dV increases with increasing bias, reaching a maximum at…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 S. Fujita , H. C. Ho

We present field effect measurements on discontinuous 2D thin films which are composed of a sub monolayer of nano-grains of Au, Ni, Ag or Al. Like other electron glasses these systems exhibit slow conductance relaxation and memory effects.…

Strongly Correlated Electrons · Physics 2015-06-04 Tal Havdala , Ariel Eizenbach , Aviad Frydman

The formation of metallic nanofilaments bridging two electrodes across an insulator is a mechanism for resistive switching. Examples of such phenomena include atomic synapses, which constitute a distinct class of memristive devices whose…

Mesoscale and Nanoscale Physics · Physics 2025-06-23 Alison A. Silva , Fabiano M. Andrade , Francesco Caravelli