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Sökning: WFRF:(Kish LB)

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1.
  • Balazsi, G, et al. (författare)
  • From stochastic resonance to brain waves
  • 2000
  • Ingår i: PHYSICS LETTERS A. - : ELSEVIER SCIENCE BV. - 0375-9601. ; 265:4, s. 304-316
  • Tidskriftsartikel (refereegranskat)abstract
    • Biological neurons are good examples of a threshold device - this is why neural systems are in the fetus when looking for realization of Stochastic Resonance (SR) and spatio-temporal stochastic resonance (STSR) phenomena. In this Letter a simple integrate
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2.
  • Balazsi, G, et al. (författare)
  • Spatiotemporal stochastic resonance and its consequences in neural model systems
  • 2001
  • Ingår i: CHAOS. - : AMER INST PHYSICS. - 1054-1500. ; 11:3, s. 563-569
  • Tidskriftsartikel (refereegranskat)abstract
    • The realization of spatiotemporal stochastic resonance is studied in a two-dimensional FitzHugh-Nagumo system, and in a one-dimensional system of integrate-and-fire neurons. We show that spatiotemporal stochastic resonance occurs in these neural model sys
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3.
  • Ederth, J, et al. (författare)
  • Ag-Mn nanoparticles: Three-dimensional finite size effect of the spin glass state
  • 1999
  • Ingår i: JOURNAL OF APPLIED PHYSICS. - : AMER INST PHYSICS. - 0021-8979. ; 86:11, s. 6571-6575
  • Tidskriftsartikel (refereegranskat)abstract
    • Ag-Mn nanoparticles were prepared by advanced gas evaporation. Their composition corresponded to Ag0.89Mn0.11, and the particle size distribution was log normal. The particles demonstrated an unambiguous spin glass behavior with the temperature depen
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6.
  • GINGL, Z, et al. (författare)
  • NON-DYNAMICAL STOCHASTIC RESONANCE - THEORY AND EXPERIMENTS WITH WHITE AND VARIOUS COLORED NOISES
  • 1995
  • Ingår i: NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA D-CONDENSED MATTER ATOMIC MOLECULAR AND CHEMICAL PHYSICS FLUIDS PLASMAS BIOPHYSICS. - : EDITRICE COMPOSITORI BOLOGNA. - 0392-6737. ; 17:7-8, s. 795-802
  • Tidskriftsartikel (refereegranskat)abstract
    • We describe the simplest system which shows stochastic resonance. A linear(ized) theory for white and (almost) arbitrarily coloured noise is presented. The presented new system has new, unique properties which originate from its non-dynamical character; f
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10.
  • Kish, LB, et al. (författare)
  • New approach to the origin of lognormal size distributions of nanoparticles
  • 1999
  • Ingår i: NANOTECHNOLOGY. - : IOP PUBLISHING LTD. - 0957-4484. ; 10:1, s. 25-28
  • Tidskriftsartikel (refereegranskat)abstract
    • A new model for particle growth can predict the well known lognormal particle size distribution from first principles in a physically realistic way. The model is completely different from the usually applied coagulation models; it is based on a reside
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11.
  • Kish, LB, et al. (författare)
  • Noise in nanotechnology
  • 2000
  • Ingår i: MICROELECTRONICS RELIABILITY. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0026-2714. ; 40:11, s. 1833-1837
  • Tidskriftsartikel (refereegranskat)abstract
    • The length scales dominating physical phenomena in nanotechnology are at the boundary of the macroscopic and microscopic world. Nanoobject formation is governed by a competition between deterministic and random forces. Therefore, classical physical noise
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12.
  • Kish, LB, et al. (författare)
  • Noise measurements and fluctuation analysis in nanoparticle films
  • 2001
  • Ingår i: PHYSICA E. - : ELSEVIER SCIENCE BV. - 1386-9477. ; 11:2-3, s. 131-136
  • Tidskriftsartikel (refereegranskat)abstract
    • This work reports two different ways of study providing potentially important information about nanoparticle films. The first study is about conductance noise in PbS nanoparticle films. Monocrystalline and single-sized PbS nanoparticles are synthesized vi
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14.
  • Kish, LB, et al. (författare)
  • The real origin of lognormal size distributions of nanoparticles in vapor growth processes
  • 1999
  • Ingår i: NANOSTRUCTURED MATERIALS. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0965-9773. ; 12:1-4, s. 327-332
  • Tidskriftsartikel (refereegranskat)abstract
    • In modern nanoparticle production methods, such as inert-gas evaporation, a strong effort is made to avoid coagulation of particles. Therefore, the classical coagulation models are not suitable for predicting the particle size distribution. This paper
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15.
  • Nagy, I, et al. (författare)
  • A method for testing first-order Markovian property of noise phenomena including 1/f noise
  • 1995
  • Ingår i: PHYSICA B. - : ELSEVIER SCIENCE BV. ; 216:1-2, s. 79-84
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • In this paper, we present a method to investigate the first-order Markovian property of noise processes. The first-order transition probability matrix of a signal was determined numerically and a new Markovian random process was generated from this probab
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16.
  • Pennetta, C, et al. (författare)
  • Thermal effects on the electrical degradation of thin film resistors
  • 1999
  • Ingår i: PHYSICA A. - : ELSEVIER SCIENCE BV. - 0378-4371. ; 266:1-4, s. 214-217
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Recently we introduced a biased percolation model to study the electrical failure of thin-film resistors. Here we extend this model by allowing thermal interactions among first neighbour elemental resistances and accounting for the dependence of each elem
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17.
  • Soderlund, J, et al. (författare)
  • Lognormal size distributions in particle growth processes without coagulation
  • 1998
  • Ingår i: PHYSICAL REVIEW LETTERS. - : AMERICAN PHYSICAL SOC. - 0031-9007. ; 80:11, s. 2386-2388
  • Tidskriftsartikel (refereegranskat)abstract
    • A new model is proposed to explain lognormal particle size distributions found in vapor growth processes such as gas evaporation, without invoking coagulation. In the model, particles are moving by diffusion and drift through a finite growth region. T
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19.
  • Solis, JL, et al. (författare)
  • Nanocrystalline tungsten oxide thick-films with high sensitivity to H2S at room temperature
  • 2001
  • Ingår i: SENSORS AND ACTUATORS B-CHEMICAL. - : ELSEVIER SCIENCE SA. - 0925-4005. ; 77:1-2, s. 316-321
  • Tidskriftsartikel (refereegranskat)abstract
    • Ultra-fine powder of tungsten oxide was made by evaporation of tungsten metal by an electric are discharge in a reactive atmosphere. The obtained WO3 powder displayed a mixture of monoclinic and tetragonal phases and had a mean grain size of 40 nm. We inv
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20.
  • Vandamme, LKJ, et al. (författare)
  • Anomalous behaviour of the current noise in long-narrow-channel MOSFETS and its interpretation
  • 1999
  • Ingår i: SOLID-STATE ELECTRONICS. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0038-1101. ; 43:4, s. 697-700
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • An anomalous behaviour of noise in n-type CMOSFETs with narrow, long channels has been found. At fixed drain voltage, biasing the device well in saturation, the noise current abruptly decreased by more than an order of magnitude with increasing gate volta
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