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We present a critical comparison of the dielectric properties of three models of water - TIP4P/2005, TIP4P/2005f and TTM3F. Dipole spatial correlation is measured using the distance dependent Kirkwood function along with one dimensional and…

Soft Condensed Matter · Physics 2014-03-27 Daniel C. Elton , M. -V. Fernández-Serra

The effect of improved dielectric properties in the presence of an applied magnetic field is discussed in Pr doped polycrystalline Gd$_{0.55}$Pr$_{0.45}$MnO$_3$ complemented by the structural properties down to 50 K and magnetic properties.…

Strongly Correlated Electrons · Physics 2023-04-05 Pooja Pant , Harshit Agarwal , Suresh Bharadwaj , Archana Sagdeo , M. A. Shaz

The recently discovered ferroelectric nematic liquid crystals have been reported to exhibit very large dielectric permittivity values. Here, we report a systematic investigation of the dielectric behavior of a prototypical ferroelectric…

Soft Condensed Matter · Physics 2024-02-05 Aitor Erkoreka , Josu Martinez-Perdiguero , Richard J. Mandle , Alenka Mertelj , Nerea Sebastián

The nematic-nematic transitions in a nematic compound DIO are studied in homogeneously planar and homeotropic aligned cells using dielectric spectroscopy in the frequency range 0.1 Hz to 10 MHz over a wide range of temperatures. Three…

Soft Condensed Matter · Physics 2022-03-10 Neelam Yadav , Yuri P. Panarin , Jagdish K. Vij , Wanhe Jiang , Georg H. Mehl

Advancement of solid state electrolytes (SSEs) for all solid state batteries typically focuses on modification of a parent structural framework for improved conductivity, \textit{e.g.} cation substitution for an immobile ion or varying the…

Molecular dynamics simulation and recent theory are used to examine density correlations in semidilute solutions of highly charged, intrinsically flexible and hydrophilic polyelectrolytes in low salt. Quantitative comparison with no…

Soft Condensed Matter · Physics 2021-07-06 James P. Donley , David R. Heine

Perovskite structure materials based on the Ba1-xGdxTiO3 system, where x = 0.001, 0.002, 0.003, 0.004 and 0.005, were prepared via the Pechini chemical synthesis route. The dielectric properties have been analyzed over a wide temperature…

Materials Science · Physics 2024-09-25 T. H. T. Rosa , M. A. Oliveira , Y. Mendez-Gonzalez , F. Guerrero , R. Guo , A. S. Bhalla , J. D. S. Guerra

The results of the investigation of changes of parameters of dynamic bipolar charge-voltage and bipolar and unipolar dynamic current-voltage characteristics and transient currents connected with the pulse change of humidity for the samples…

Materials Science · Physics 2007-05-23 S. Bravina , N. Morozovsky , R. Boukroub

We investigate the effect of pectin on the structure and ion transport properties of the room-temperature ionic liquid electrolyte 1-n-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF6]) using molecular dynamics simulations. We find…

Soft Condensed Matter · Physics 2023-10-03 Sipra Mohapatra , Sougata Halder , Sachin R. Chaudhary , Roland R. Netz , Santosh Mogurampelly

The solid-state electrolyte is critical for achieving next-generation high energy density and high-safety batteries. Solid polymer electrolytes (SPEs) possess great potential for commercial application owing to their compatibility with the…

Materials Science · Physics 2023-07-04 Xiong Xiong Liu , Shengfa Feng , Pengcheng Yuan , Yaping Wang , Long Pan , ZhengMing Sun

Precession Electron Diffraction (PED) offers a number of advantages for crystal structure analysis and solving unknown structures using electron diffraction. The current article uses many-beam simulations of PED intensities, in combination…

Materials Science · Physics 2025-09-22 W. Sinkler , L. D. Marks

We study the differences in electrical charge transport dynamics of the conductivity enhancement of poly(3,4-ethylenedioxythiophene) (PEDOT) derivatives under geometrical confinement. The results of polymer blend poly(3,4-ethylene…

Materials Science · Physics 2022-03-04 Sukanya Das , Anil Kumar , K. S. Narayan

Relaxor ferroelectrics exhibit exceptional dielectric and electromechanical properties, yet their microscopic origins remain elusive due to the interplay of hierarchical polar structures and chemical complexity. While models based on polar…

Materials Science · Physics 2025-09-03 Yuan-Jinsheng Liu , Tyler C. Sterling , Shi Liu

Cyclic polymers display unique physical behaviors in comparison to their linear counterparts. Theoretical, computational and experimental studies have revealed that some of their distinctive properties are also observed in charged variants…

Soft Condensed Matter · Physics 2023-12-01 Andrzej Grzyb , Khristine Haydukivska , Jarosław S. Kłos , Aykut Erbaş , Jarosław Paturej

The relaxations of conductivity have been studied in a strongly disordered two-dimensional (2D) electron system in Si after excitation far from equilibrium by a rapid change of carrier density n_s at low temperatures T. The dramatic and…

Strongly Correlated Electrons · Physics 2009-11-11 J. Jaroszynski , Dragana Popovic

We study the effect of substrate induced strain on the structural, transport, optical and electronic properties of Sr$_2$CoNbO$_6$ double perovskite thin films. The reciprocal space mapping, $\phi$-scan and high-resolution…

Materials Science · Physics 2020-08-19 Ajay Kumar , Rishabh Shukla , Akhilesh Pandey , Sandeep Dalal , M. Miryala , K. Ueno , M. Murakami , R. S. Dhaka

A complete understanding of the mechanisms for dielectric relaxation in relaxor ferroelectrics remains elusive. We used a structural refinement framework that integrates several types of experimental data to identify the nanoscale…

We present a study of the relaxation dynamics of the photoexcited conductivity of the impurity states in the low-density electronic glass, phosphorous-doped silicon Si:P. Using optical pump-terahertz probe spectroscopy we find strongly…

Disordered Systems and Neural Networks · Physics 2010-09-16 V. K. Thorsmølle , N. P. Armitage

The electric properties of a model fast-ion electrolyte ((100-x)SiS2-xNa2S) glass are investigated by means of classical molecular dynamics simulations. These systems appear promising for battery applications and the conductivity is thought…

Materials Science · Physics 2025-03-31 Léo Legrand , Louis-Martin Poitras , Nicolas Sator , Matthieu Micoulaut

We study both numerically and experimentally the breakup of a viscoelastic liquid bridge between two parallel electrodes. We solve the leaky-dielectric FENE-P model to describe the dynamical response of the liquid bridge under isothermal…