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Related papers: Variability Analysis in a 3-D Multi-Granular Hf$_x…

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Ferroelectric field-effect transistors (FE-FETs) consisting of tunable dielectric layers are utilized to investigate interfacial transport processes. Large changes in the dielectric constant as a function of temperature are observed in…

Materials Science · Physics 2015-06-04 Satyaprasad P. Senanayak , S. Guha , K. S. Narayan

This work presents a comprehensive analysis of the variability and reliability of the resistive switching (RS) behavior in Prussian Blue (a mixed-valence iron(III/II) hexacyanoferrate compound) thin films, used as the active layer. These…

Materials Science · Physics 2025-05-20 L. B. Avila , A. Cantudo , M. A. Villena , D. Maldonado , F. Abreu Araujo , C. K. Müller , J. B. Roldán

Domain wall dynamics in ferroic materials underpins functionality of data storage and information technology devices. Using localized electric field of a scanning probe microscopy tip, we experimentally demonstrate a surprisingly rich range…

We use density-functional theory with the local-density approximation to study the structural and ferroelectric properties of SrTiO$_3$ under misfit strains. Both the antiferrodistortive (AFD) and ferroelectric (FE) instabilities are…

Materials Science · Physics 2009-11-11 Chien-Hung Lin , Chih-Meng Huang , G. Y. Guo

We investigate ferroelectric polariation as well as the formation of long-range order and the carrier density distribution in type-II Weyl semimetal WTe$_{2}$ in $T_{d}$ phase. It is been found that the metallicity and ferroelectricity can…

Statistical Mechanics · Physics 2024-02-27 Chen-Huan Wu , Yujie Ren

By means of tree-dimensional contact dynamics simulations, we analyze the vibrational dynamics of a confined granular layer in response to harmonic forcing. The sample is composed of polyedric grains with a shape derived from digitalized…

Classical Physics · Physics 2008-07-22 Émilien Azema , F. Radjaï , R. Peyroux , Frédéric Dubois , G. Saussine

Microstructural evolution in structural materials is known to occur in response to mechanical loading and can often accommodate substantial plastic deformation through the coupled motion of grain boundaries (GBs). This can produce desirable…

Mesoscale and Nanoscale Physics · Physics 2025-06-06 Daniel Bugas , Brandon Runnels

Ferroelasticity describes a phenomenon in which a material exhibits two or more equally stable orientation variants and can be switched from one form to another under an applied stress. Recent works have demonstrated that two-dimensional…

Materials Science · Physics 2024-09-11 Devesh R. Kripalani , Qiye Guan , Hejin Yan , Yongqing Cai , Kun Zhou

The material properties of polycrystals are strongly affected by the evolution and coarsening of their internal grain structures. Yet, studying this process is challenging due to the complex interactions within grain boundary networks.…

Porosity variations in tubular scaffolds are critical to reproducible, sophisticated applications of electrospun fibers in biomedicine. Established laser micrometry techniques produced ~14,000 datapoints enabling thickness and porosity…

Applied Physics · Physics 2021-11-23 Y. Liu , F. J. Chaparro , Z. Gray , J. Gaumer , D. B. Cybyk , L. Ross , P. Gosser , Z. Tian , Y. Jia , T. Dull , A. L. Yarin , J. J. Lannutti

This study presents the simulation, experimentation, and design considerations of a Poly(vinylidene fluoride co-trifluoroethylene)/ Polyethylene Terephthalate (PVDF-TrFe / PET), laser-cut, flexible piezoelectric energy harvester. It is…

Systems and Control · Electrical Eng. & Systems 2022-10-25 Berkay Kullukcu , Levent Beker

The commercialization of non-volatile memories based on ferroelectric transistors (FeFETs) has remained elusive due to scaling, retention, and endurance issues. Thus, it is important to develop accurate characterization tools to quantify…

Applied Physics · Physics 2020-05-15 Nicoló Zagni , Paolo Pavan , Muhammad Ashraful Alam

Low dimensional structures comprised of ferroelectric (FE) PbTiO$_3$ (PTO) and quantum paraelectric SrTiO$_3$ (STO) are hosts to complex polarization textures such as polar waves, flux-closure domains and polar skyrmion phases. Density…

Materials Science · Physics 2022-02-16 Jack S. Baker , David R. Bowler

Nano-graphene /polymer composites can functionas pressure induced electro-switches, at concentrations around their conductivity percolation threshold. Close to the critical point, the pressure dependence of the electron tunneling through…

Materials Science · Physics 2021-03-30 E. Kolonelou , E. Loupou , P. Klonos , A. E. Sakellis , D. Valadorou , A. Kyritsis , A. N. Papathanassiou

Variable-range hopping (VRH) conductance fluctuations in the gate-voltage characteristics of mesoscopic GaAs and Si transistors are analyzed by means of their full distribution functions (DFs). The forms of the DF predicted by the theory of…

We study in perturbative QCD the helicity ampltiudes of the process $\gamma^{*} p \to \rho p $ at large virtualities $Q$ of the photon $\gamma^{*}$. We estimate all spin flip amplitudes taking into account an important effect of the scale…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. Yu. Ivanov , R. Kirschner

Complex strain status can exist in 2D materials during their synthesis process, resulting in significant impacts on the physical and chemical properties. Despite their prevalence in experiments, their influence on the material properties…

Materials Science · Physics 2023-08-23 Dongyu Bai , Yihan Nie , Jing Shang , Minghao Liu , Yang Yang , Haifei Zhan , Liangzhi Kou , Yuantong Gu

Dynamic shear banding under adiabatic conditions in a mesoscale polycrystalline aggregate is studied using a model of mesoscale dislocation mechanics and experiments. The model involves a length scale related to hardening induced by…

Estimating the tortuosity of porous electrodes is important for understanding the performance of lithium-ion batteries and optimizing the design of electrode microstructures. In this work, a new method for estimating the tortuosity of…

Materials Science · Physics 2025-03-10 Zongli Chen , Chenzhe Li , Ying Zhao