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Related papers: Negative differential resistance: another banana?

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Electrical transport properties as a function of magnetic field and time have been investigated in polycrystalline, Nd_{0.84}Sr_{0.16}CoO_3. A strong exchange bias (EB) effect is observed associated with the fairly large intragranular…

Strongly Correlated Electrons · Physics 2009-11-09 M. Patra , S. Majumdar , S. Giri

Transport of water through ion-exchange membranes is of importance both for electrodialysis (ED) and reverse electrodialysis (RED). In this work, we extend our previous theory [J. Membrane Sci., 510, (2016) 370-381] and include water…

Chemical Physics · Physics 2019-12-24 M. Tedesco , H. V. M. Hamelers , P. M. Biesheuvel

Stable and switchable polarization of ferroelectric materials opens a possibility to electrically control their functional behavior. A particularly promising approach is to employ ferroelectric tunnel junctions where the polarization…

Molecular adsorption on surfaces plays an important part in catalysis, corrosion, desalination, and various other processes that are relevant to industry and in nature. As a complement to experiments, accurate adsorption energies can be…

We theoretically investigate negative differential resistance (NDR) of massless and massive Dirac Fermions in double barrier resonant tunneling diodes based on sufficiently short and wide graphene strips. The current-voltage characteristics…

Mesoscale and Nanoscale Physics · Physics 2013-03-12 Yu Song , Han-Chun Wu , Yong Guo

The periodic response of magnetoresistance to an externally tunable parameter, such as magnetic field or chemical composition, in the bulk or an artificially designed material has been exploited for technological applications as well as to…

Materials Science · Physics 2012-09-04 S. Dickert , D. K. Singh , R. Thantirige , M. T. Tuominen

Tunneling magnetoresistance (TMR) via oxides or molecules includes fruitful physics, such as spin filtering and hybridized interface states, in addition to various practical applications using large TMR ratio at room temperature. Then, a…

In this work, we clarify the physical mechanism for the phenomenon of negative output differential resistance (NDR) in short-channel graphene FETs (GFETs) through non-equilibrium Green's function (NEGF) simulations and a simpler…

Mesoscale and Nanoscale Physics · Physics 2012-12-27 Roberto Grassi , Tony Low , Antonio Gnudi , Giorgio Baccarani

Negative differential conductivity (NDC) is a widely exploited effect in modern electronic components. Here, a proof-of-principle is given for the observation of NDC in a quantum transport device for neutral atoms employing a multi-mode…

Quantum Gases · Physics 2017-08-24 Ralf Labouvie , Bodhaditya Santra , Simon Heun , Sandro Wimberger , Herwig Ott

This work provides a complete rheological characterization of 2D-inks in electric fields with different intensities and orientations to the imposed flow field. 2D nanomaterials used in this study are graphene nanoplatelets, hexagonal…

Fluid Dynamics · Physics 2023-12-22 Pedro C. Rijo , Francisco J. Galindo-Rosales

Transport and magnetic studies on polycrystalline samples of SrFe1-xCoxO3-d have been carried out to investigate the relationship between the magnetic structure and the anomalous Hall resistivity rH. The hysteretic behavior of the…

Strongly Correlated Electrons · Physics 2009-11-10 Takahiko Ido , Yukio Yasui , Masatoshi Sato

Gunn (or Gunn-Hilsum) Effect and its associated negative differential resistivity (NDR) emanates from transfer of electrons between two different energy bands in a semiconductor. If applying a voltage (electric field) transfers electrons…

Mesoscale and Nanoscale Physics · Physics 2018-05-01 Daryoush Shiri , Amit Verma , Reza Nekovei , Andreas Isacsson , C. R. Selvakumar , M. P. Anantram

Negative differential resistance (NDR) is tuned at junctions of electronically different dimer and trimer of Rose Bengal on an atomic flat gold (111) surface. Isolated molecule did not show any NDR. But it was induced to show double NDR…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Anirban Bandyopadhyay , Y. Wakayama

The recent interpretation of the positive resonance frequency shift in dielectric resonators loaded by water is reviewed. Instead of the invoked negative dielectric constant of water surface layer, it is demonstrated that the experimental…

Instrumentation and Detectors · Physics 2009-11-10 G. Annino , M. Cassettari

Negative differential thermal resistance (NDTR) in approximate graphene nanoribbons (GNRs) is investigated from one dimension to three dimensions by using classical molecular dynamics method. For single-layer GNRs, NDTR can not be observed…

Mesoscale and Nanoscale Physics · Physics 2014-07-29 Bao-quan Ai , Wei-rong Zhong , Bambi Hu

Motivated by recent experiments, we have studied transport behavior of coupled quantum dot systems in the Coulomb blockade regime using the master (rate) equation approach. We explore how electron-electron interactions in a donor-acceptor…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Prakash Parida , S Lakshmi , Swapan K Pati

Negative differential thermal resistance (NDTR) can be generated for any one-dimensional heat flow with a temperature-dependent thermal conductivity. In a system-independent scaling analysis, the general condition for the occurrence of NDTR…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Ho-Kei Chan , Dahai He , Bambi Hu

Recently discovered ferroelectric nematic (NF) liquid crystals are fluids with a polar orientational order. The electric polarization vector can be aligned by an electric field and by surface anchoring. Here, we explore how the polarization…

Soft Condensed Matter · Physics 2026-02-27 Ashish Chandra Das , Sathyanarayana Paladugu , Oleg D. Lavrentovich

The mechanism behind mutual recognition of homologous DNA sequences prior to genetic recombination is one of the remaining puzzles in molecular biology. Leading models of homology recognition, based on classical electrostatics, neglect the…

Biological Physics · Physics 2024-08-26 Ehud Haimov , Jonathan G. Hedley , Alexei A. Kornyshev

Interactions between molecules and electrode surfaces play a key role in electrochemical processes and are a subject of extensive research, both experimental and theoretical. In this manuscript, we address the water dissociation reaction on…

Chemical Physics · Physics 2023-02-16 Karen Fidanyan , Guoyuan Liu , Mariana Rossi