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Flicker or 1/f noise in metal-oxide-semiconductor field-effect transistors (MOSFETs) has been identified as the main source of noise at low frequency. It often originates from an ensemble of a huge number of charges trapping and detrapping.…

Mesoscale and Nanoscale Physics · Physics 2010-10-22 N. Clement , K. Nishiguchi , A. Fujiwara , D. Vuillaume

We consider partially gapped one dimensional (1D) conductors connected to normal leads, as realized in fractional helical wires. At certain electron densities, some distinct charge mode develops a gap due to electron interactions, leading…

Mesoscale and Nanoscale Physics · Physics 2015-05-15 Eyal Cornfeld , Izhar Neder , Eran Sela

The frequency exponent of 1/f noise in graphene-boron nitride heterostructures is known to have multiple extrema in its dependence on the charge carrier concentration. This behavior is explained in the present paper as a result of the…

Mesoscale and Nanoscale Physics · Physics 2025-08-27 K. A. Kazakov , T. M. Valitov

Fundamental issues of 1/f noise in quantum nanoscience are reviewed starting from basic statistical noise processes. Fundamental noise models based on two-level systems (TLS) are described. We emphasize the importance of TLSs in materials…

Mesoscale and Nanoscale Physics · Physics 2024-01-23 Giuseppe Falci , Pertti J. Hakonen , Elisabetta Paladino

An alternative explanation of 1/f-noise in manganites is suggested and discussed

Strongly Correlated Electrons · Physics 2012-02-20 Yu. E. Kuzovlev

Cobalt disilicide provides a promising nearly-epitaxial superconducting material on silicon, which is compatible with high-density integrated circuit technology. We have characterized CoSi$_{2}$ superconducting microwave cavities around 5.5…

For conventional materials, the thermal conductivity of thin film is usually suppressed when the thickness decreases due to phonon-boundary scattering. However, this is not necessarily true for the van der Waals solids if the thickness is…

Materials Science · Physics 2016-03-01 Xiaokun Gu , Baowen Li , Ronggui Yang

Single-layer Graphene (SLG) is a promising material for sensing applications. High performance graphene sensors can be achieved when Interdigitated Electrodes (IDE) are used. In this research work, we fabricated SLG micro-ribbon (GMR)…

A chemical system consisting of two species, one of which evolves deterministically and independently of the other, which in turn is driven by the dynamics of the former and by an additional multiplicative Gaussian white noise, displays a…

Statistical Mechanics · Physics 2007-05-23 A. Fulinski , P. F. Gora

We investigate the noise in single layer graphene devices from equilibrium to far from equilibrium and found that the 1/f noise shows an anomalous dependence on the source-drain bias voltage (VSD). While the Hooge relation is not the case…

1/f noise is very common but is difficult to handle in a metrological way. After having recalled the main characteristics of stongly correlated noise, this paper will determine relationships giving confidence intervals over the arithmetic…

Data Analysis, Statistics and Probability · Physics 2015-06-22 Francois Vernotte , Eric Lantz

We report high-resolution measurements of voltage (V) noise in the mixed state of micrometre-sized thin films of amorphous Nb0.7Ge0.3, which is a good representative of weak-pinning superconductors. There is a remarkable difference between…

Superconductivity · Physics 2007-05-23 D. Babic , T. Nussbaumer , C. Strunk , C. Schoenenberger , C. Suergers

Low-frequency 1/f-noise occurs at all levels of the nature organization and became an actual factor of nanotechnologies, but in essence it remains misunderstood by its investigators. Here, once again it is pointed out that such the state of…

Statistical Mechanics · Physics 2015-10-28 Yu. E. Kuzovlev

As reported recently, the 1/f noise intensity in both (Bi,Sb)2Te3 [Islam et al., Appl. Phys. Lett. 111, 062107 (2017)] and BiSbTeSe1.6 [Biswas et al., Appl. Phys. Lett. 115, 131601 (2019)] features noise peaks which develop at some specific…

Mesoscale and Nanoscale Physics · Physics 2021-11-08 Mihai Mihaila , Silviu Dinulescu , Pericle Varasteanu

We perform a comprehensive study of noise-induced effects in a stochastic model of reaction-diffusion type, describing nano-structured thin films growth at condensation. We introduce an external flux of adsorbate between neighbour…

Mesoscale and Nanoscale Physics · Physics 2021-01-20 V. O. Kharchenko , A. V. Dvornichenko , D. O. Kharchenko

Three different porous substrates (with different pore sizes, s, and permeabilities, K) are used to examine their effect on the structure of boundary layer flow over them. The flow is characterised with single-point hot-wire measurements as…

Fluid Dynamics · Physics 2024-02-06 Prateek Jaiswal , Bharathram Ganapathisubramani

Perfluoropentacene (PFP), an $n$-type organic semiconductor, is deposited at monolayer and bilayer coverage on Cu(111). Scanning tunneling microscopy at various bias voltages is used to investigate the geometric and electronic structure of…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 S. Smalley , P. Darancet , J. R. Guest , J. A. Smerdon

The collective behavior of a two-dimensional wet granular cluster under horizontal swirling motions is investigated experimentally. Depending on the balance between the energy injection and dissipation, the cluster evolves into various…

Soft Condensed Matter · Physics 2015-09-30 Kai Huang

It is shown here that $1/f^\alpha$ flux noise in conventional low-T$_c$ SQUIDs is a result of low temperature superparamagnetic phase transitions in small clusters of strongly correlated color center defects. The spins in each cluster…

Mesoscale and Nanoscale Physics · Physics 2019-01-16 Amrit De

Conductivity noise in dc current biased La_{0.82}Ca_{0.18}MnO_{3} single crystals has been investigated in different metastable resistivity states enforced by applying voltage pulses to the sample at low temperatures. Noise measured in all…

Strongly Correlated Electrons · Physics 2015-06-12 B. Dolgin , M. Belogolovskii , X. D. Wu , V. Markovich , G. Jung