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The piezoelectric response is a measure of the sensitivity of a material's polarization to stress or its strain to an applied field. Using in-operando x-ray Bragg coherent diffraction imaging, we observe that topological vortices are the…

Hydrodynamic pattern formation (PF) and dewetting resulting from pulsed laser induced melting of nanoscopic metal films have been used to create spatially ordered metal nanoparticle arrays with monomodal size distribution on…

The bending of a nonconducting piezoelectric ZnO nanowire is simulated by finite element method calculations. The top part is bent by a lateral force, which could be applied by an atomic force microscope (AFM) tip. The generated electrical…

Materials Science · Physics 2008-03-26 Markus Andreas Schubert , Stephan Senz , Marin Alexe , Dietrich Hesse , Ulrich Gösele

Two-dimensional (2D) SnSe is an emerging 2D material exhibiting intriguing properties such as ferroelectricity and nonlinear optical response. Here, high-quality single-crystalline SnSe nanosheets were synthesized via NaCl-assisted chemical…

Materials Science · Physics 2026-04-23 Huiwen Xu , Hanxiang Wu , Chang Li , Fei Pang

Unprecedentedly massive electrorheology has been reported for dilute graphene nanoflakes based ER fluids that have been engineered as novel, readily synthesizable polymeric gels. Polyethylene glycol based graphene gels have been synthesized…

Mesoscale and Nanoscale Physics · Physics 2017-01-04 Purbarun Dhar , Ajay Katiyar , Arvind Pattamatta , Sarit K Das

(1-x)Li0.12Na0.88NbO3-xBaTiO3 (0 to x to 0.40) ferroelectric ceramics were prepared using conventional ceramics route and their phase transitional behavior is investigated by using dielectric spectroscopy. The temperature-dependent…

Materials Science · Physics 2014-12-17 Supratim Mitra , Ajit R. Kulkarni

A theoretical study of a dielectrophoretic force, i.e. the force acting on an electrically neutral particle in the inhomogeneous electric field, which is produced by a ferroelectric domain pattern, is presented. It has been shown by several…

Mesoscale and Nanoscale Physics · Physics 2012-06-19 Pavel Mokrý , Milan Marvan , Jan Fousek

The deterministic rotation of a ferromagnetic nanoparticle in a fluid is considered. The heating arising from viscous friction of a nanoparticle driven by circularly and linearly polarized alternating magnetic fields is investigated. Since…

Applied Physics · Physics 2018-12-11 T. V. Lyutyy

We analyze scattering of the transverse optic modes by spherically symmetric Polarized Nano Regions (PNR) in the paraelectric phase of relaxor ferroelectrics. Calculations have done in the frame of mean-field model early supposed by E.Iolin…

Materials Science · Physics 2015-03-17 Eugene Iolin

In this paper we study the size effects of the ferroelectric nanotube and nanowire phase diagrams and polar properties allowing for radial stress and depolarization field influence. The approximate analytical expression for the…

Materials Science · Physics 2009-05-09 Anna N. Morozovska , Maya D. Glinchuk , Eugene A. Eliseev

V2O3 nanocrystals can be synthesized through hydrothermal reduction of VO(OH)2 using hydrazine as a reducing agent. Addition of different ligands to the reaction produces nanoparticles, nanorods and nanoplatelets of different sizes. Small…

A phase field method self-consistently coupled to continuum heat transport and charge conservation is used to simulate conducting filament dynamical evolution and nanostructure of electroformed resistive switching thin films. Our method…

Applied Physics · Physics 2023-07-28 John F. Sevic , Nobuhiko P. Kobayashi

The valley degree of freedom is one of the most intriguing properties of atomically thin transition metal dichalcogenides. Together with the possibility to address this degree of freedom by valley-contrasting optical selection rules, it has…

Under a sufficiently high applied electric field, a non-polar antiferroelectric material, such as \ce{PbZrO3}, can undergo a rapid transformation to a polar ferroelectric phase. While this behavior is promising for energy storage and…

Incipient ferroelectric KTaO3 with off-center Li impurity of the critical concentration of 2.8 mol% was investigated in order to clarify the dipole glass state under electric field. Using optical second-harmonic generation (SHG) microscope,…

Materials Science · Physics 2009-11-11 Hiroko Yokota , Taeko Ohyama , Yoshiaki Uesu

Polymer-piezoceramic 0-3 composites combine the flexibility of the polymers and the excellent piezoelectric properties of the ferroelectric based ceramic. While grain size of the ceramic powder is one of the important considerations in the…

Materials Science · Physics 2017-10-02 Bhoopesh Mahale , Rishikesh Pandey , Naveen Kumar , Rajeev Ranjan

The high-pressure behaviour of PbS was investigated by angular dispersive X-ray powder diffraction up to pressures of 6.8 GPa. Experiments were accompanied by first principles calculations at the density functional theory level. By…

Materials Science · Physics 2009-11-07 K. Knorr , L. Ehm , M. Hytha , B. Winkler , W. Depmeier

The dipoles in ferroelectric copolymer P(VDF-TrFE) can be driven by electric field, introducing phonon transport modulations through polarizing molecular chains. The thermal conductivity in single 75/25 P(VDF-TrFE) nanofibers is found to…

Applied Physics · Physics 2022-12-07 Lan Dong , Bohai Liu , Yuanyuan Wang , Xiangfan Xu

In the presence of a magnetic field applied perpendicular to a thin sample layer, a suspension of magnetic colloidal particles (ferrofluid) can form spatially modulated phases with a characteristic length determined by the competition…

Soft Condensed Matter · Physics 2009-11-07 D. Lacoste , T. C. Lubensky

Peculiar features exist in the stress-temperature phase stability diagram of V$_{2}$O$_{3}$ such as a first order phase transition between the paramagnetic insulating and metallic phases that ends with a critical point, quantum phase…

Strongly Correlated Electrons · Physics 2019-10-30 Hamid Reza Rasouli , Naveed Mehmood , Onur Çakıroğlu , Engin Can Sürmeli , T. Serkan Kasırga