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Formation of nanodomain ensembles during polarization reversal in Sr0.61Ba0.39Nb2O6: Ce single crystals

V. Ya. Shur, V. A. Shikhova, D. V. Pelegov, A. V. Ievlev, L. I. Ivleva
2011 Physics of the solid state  
The ineffective attempts to visualize domains in SBN single crystals by optical microscopy after selec tive chemical etching or decoration were undertaken in the 1970s [3] .  ...  PFM was used for domains visualization with a high spatial resolution. Fractal and correlation analysis of images of the original maze type domain structure was carried out.  ... 
doi:10.1134/s106378341111028x fatcat:uh3eaurv5jfuplqrj3zo423se4

Fractality, chaos, and reactions in imperfectly mixed open hydrodynamical flows

Á Péntek, G Károlyi, I Scheuring, T Tél, Z Toroczkai, J Kadtke, C Grebogi
1999 Physica A: Statistical Mechanics and its Applications  
Since the tracers spend a long time in the vicinity of a fractal curve, the unstable manifold, this fractal structure serves as a catalyst for the active process.  ...  Next, the advection of chemically or biologically active tracers is investigated.  ...  The appearance of a novel term in the chemical rate equation is a macroscopic consequence of an underlying kinetic theory.  ... 
doi:10.1016/s0378-4371(99)00408-2 fatcat:tc6akboohbdnzpo44gokpfe34i

Observation of instability of faceted crystals in lipid monolayers

Cheng Sun, Mu Wang, Jan van Esch, Gerald Wildburg, Willem J.P. van Enckevort, Nai-ben Ming, Piet Bennema, Roelands J.M. Nolte
1998 Physics Letters A  
The morphological instabilities of two-dimensional hexagonal crystals in lipid monolayers are studied.  ...  The morphological transitions in relation to the driving force for two-dimensional crystal growth are also studied.  ...  The additional chemicals in the system can change the interfacial free energy, affect the growth kinetics and finally vary the growth morphology.  ... 
doi:10.1016/s0375-9601(97)00876-1 fatcat:btxpw5oao5hzjkycfyl2qa4huy

Reflection of light from the air/water interface covered with sea-surface microlayers

Z. Kozarac, D. Risović, S. Frka, D. Möbius
2005 Marine Chemistry  
Here, we have applied optical/spectroscopic methods and fractal analysis to gain better insight and information regarding composition, structure, and processes in sea-surface microlayer.  ...  However, its chemical composition, structure, and involved interactions are very complex and yet not fully understood.  ...  Hence, initial growth is fast, linear, while in later times it has adsorption-limited kinetics.  ... 
doi:10.1016/j.marchem.2004.12.003 fatcat:m7uqjrpy4zg3xk3xlahhxkqp6y

Controlling Polarization Dynamics in a Liquid Environment: From Localized to Macroscopic Switching in Ferroelectrics

B. J. Rodriguez, S. Jesse, A. P. Baddorf, S. -H. Kim, S. V. Kalinin
2007 Physical Review Letters  
In ambient, the influence of defects on phase transitions, domain distributions, and domain wall kinetics has been studied by PFM [17] [18] [19] .  ...  to be visualized.  ... 
doi:10.1103/physrevlett.98.247603 pmid:17677994 fatcat:qgoxzgbfpzbrvjqoona4ltad5e

Photocatalytic activity and charge carrier dynamics of TiO2 powders with a binary particle size distribution

Fabian Sieland, Jenny Schneider, Detlef W. Bahnemann
2018 Physical Chemistry, Chemical Physics - PCCP  
The effects of the particle size distribution on the charge carrier dynamics and the photocatalytic activity of mixed titanium dioxide (TiO2) powder samples were investigated in this work.  ...  of the charge carrier recombination in the time domain 6-200 s was possible by the fractal kinetics fit.  ...  The transient signals obtained in this study show a good correlation with the results reported in the literature; for instance, the signal heights and visual decay kinetics observed here agree with the  ... 
doi:10.1039/c8cp00398j pmid:29517093 fatcat:gy7lh56qfbeexfyloyxmexdyce

N-terminal region of Drosophila melanogaster Argonaute2 forms amyloid-like aggregates [article]

Haruka Narita, Tomohiro Shima, Ryo IIzuka, Sotaro Uemura
2022 bioRxiv   pre-print
Further, we directly visualized the aggregation process of the N-terminal region under fluorescence microscopy and found that the aggregations took fractal or fibril shapes.  ...  Because the N-terminal region is highly rich in glutamine and glycine residues, which is a well-known property for prion-like domains (PrLD), the possibility of the N-terminal region functioning as a PrLD  ...  In addition, fractal-shaped aggregates docked to form larger fractal-shaped aggregates.  ... 
doi:10.1101/2022.08.05.502916 fatcat:ybpfpeailne67mk6h3le4fyaai

Nanoscale Domain Effects in Ferroelectrics. Formation and Evolution of Self-Assembled Structures in LiNbO3and LiTaO3

V. YA. Shur, E. L. Rumyantsev, A. G. Shur, A. I. Lobov, D. K. Kuznetsov, E. I. Shishkin, E. V. Nikolaeva, M. A. Dolbilov, P. S. Zelenovskiy, K. Gallo, M. P. De Micheli
2007 Ferroelectrics (Print)  
Figure 10 . 10 The types of the surface domain structures for laser illumination in CLN: (a) "dots," (b) "lines," (c) "fractals" without branching, and (d) "fractals" with branching.  ...  The evolution of the domain structure during switching was in situ visualized by polarizing microscope in transmitted mode.  ... 
doi:10.1080/00150190701454818 fatcat:ifkc5nosofcm7buxrhftoazk4m

METHODS OF THE PATTERN FORMATION IN NUMERICAL MODELING OF BIOLOGICAL PROBLEMS

Alexander E. Filippov, Stanislav N. Gorb
2019 Facta Universitatis. Series: Mechanical Engineering  
Counting on above-mentioned universality of naturally-generated fractal structures and their further utilization in numerical simulations of biological problems, we reproduce also formal algorithms of  ...  Evolution of different systems can be described in terms of their relaxation to the minimums of some effective potential relief.  ...  of the domain structure in the kinetics.  ... 
doi:10.22190/fume190227027f fatcat:ngrkgv5kzvbhppzzlso2zwstrm

Phase ‐ field Modeling of Fracture Cementation Processes in 3 ‐ D

Kumar Ankit, Michael Selzer, Christoph Hilgers, Britta Nestler
2015 Journal of Petroleum Science Research  
The 3-D simulation results are supplemented by innovative numerical post-processing and advanced visualization techniques.  ...  In this study, the influence of an algorithmically generated fracture surface is investigated, which opens-up temporally along a curved trajectory, on the cement mineralization in 3-D.  ...  TRANSPARENCY OF THE SURROUNDING GRAINS ENABLE THE VISUALIZATION OF THE TRACKING CEMENT INSIDE THE NUMERICAL DOMAIN.  ... 
doi:10.12783/jpsr.2015.0402.04 fatcat:kug32gcxnfgpbe2dtans35h6kq

Signatures of Universal Characteristics of Fractal Fluctuations in Global Mean Monthly Temperature Anomalies [article]

A.M.Selvam
2010 arXiv   pre-print
A general systems theory for fractals visualizes the emergence of successively larger scale fluctuations to result from the space-time integration of enclosed smaller scale fluctuations.  ...  Selfsimilar space-time fractal fluctuations are generic to dynamical systems in nature such as atmospheric flows, heartbeat patterns, population dynamics, etc.  ...  The probability of occurrence P tot of fractal domain W 1 R 1 in the total larger eddy domain W n R n in any (irrespective of positive or negative) direction is equal to n n n tot R W R W P 2 1 1     ... 
arXiv:0808.2388v2 fatcat:fv6y62zir5farnlgucq6xjnn5q

Signatures of universal characteristics of fractal fluctuations in global mean monthly temperature anomalies

A. M. Selvam
2011 Journal of Systems Science and Complexity  
independent of its physical, chemical, electrical, or any other intrinsic characteristic.  ...  A recently developed general systems theory for fractal space-time fluctuations [4] [5] [6] [7] shows that the larger scale fluctuation can be visualized to emerge from the space-time averaging of enclosed  ...  The probability of occurrence P tot of fractal domain W 1 R 1 in the total larger eddy domain W n R n in any (irrespective of positive or negative) direction is equal to n n n tot R W R W P 2 1 1     ... 
doi:10.1007/s11424-011-9020-5 fatcat:tts2ye7l75c7fdcv6turv4cjpm

Signatures of Universal Characteristics of Fractal Fluctuations in Global Mean Monthly Temperature Anomalies [chapter]

Amujuri Mary Selvam
2017 Springer Atmospheric Sciences  
independent of its physical, chemical, electrical, or any other intrinsic characteristic.  ...  A recently developed general systems theory for fractal space-time fluctuations [4] [5] [6] [7] shows that the larger scale fluctuation can be visualized to emerge from the space-time averaging of enclosed  ...  The probability of occurrence P tot of fractal domain W 1 R 1 in the total larger eddy domain W n R n in any (irrespective of positive or negative) direction is equal to n n n tot R W R W P 2 1 1     ... 
doi:10.1007/978-3-319-54546-2_5 fatcat:o3obvv2jqndn3engzfjvy3bcfa

Fractal properties of propagating fronts in a strongly stirred fluid

B. D. Haslam, P. D. Ronney
1995 Physics of Fluids  
The fractal properties of propagating aqueous autocatalytic chemical reaction fronts are measured in a capillary-wave (CW) flow at values of the ratio of the RMS intensity of the fluid velocity fluctuation  ...  The images of the fronts are found to exhibit fractal behavior with a fractal dimension (d) of 1.31+0.06, 'which is very similar to some measurements in gaseous flame fronts, as well as isoscalar contours  ...  CONCLUSIONS A capillary-wave flow was employed to study the fractal properties of propagating chemical fronts in aqueous solution.  ... 
doi:10.1063/1.868507 fatcat:tfkbwwywkjbnzpb6slkwljscra

Non-linear transport and topology of dielectric breakdown

J.C. Maan, B. Willing, P. Uhlig
1995 Physica. B, Condensed matter  
Experiments of breakdown in air (Sparks) and in semi-insulating GaAs are discussed as examples of, respectively, current filaments and of electrical domain formation.  ...  For current filaments, a magnetic field is shown to lead to a "fractal-like" pattern with a "dimension" determined by the external field. 0921-4526/95/$09.50  ...  Pattern formation in non-linear systems is intensively studied in hydrodynamics, heat flow and chemical reactions.  ... 
doi:10.1016/0921-4526(94)00280-9 fatcat:5stzxorr7rcxzfsleqdi6pwrpy
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