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The emergent photoactive materials through photochemistry make it possible to directly convert photon energy to mechanical work. There is much recent work in developing appropriate materials and a promising new system is semi-crystalline…

Soft Condensed Matter · Physics 2021-03-24 Ruobing Bai , Eric Ocegueda , Kaushik Bhattacharya

Lightwave pulse shaping in the picosecond regime has remained unaddressed because it resides beyond the limits of state-of-the-art techniques, either due to its inherently narrow spectral content or fundamental speed limitations in…

Optics · Physics 2025-03-10 Randy Lemons , Jack Hirschman , Hao Zhang , Charles Durfee , Sergio Carbajo

The pressure and temperature dependency of the electrical conductivity of poly(vinyl alcohol)/poly(vinyl pyrrolidone) (1/1, w/w) and poly(vinyl alcohol) and composites with dispersed nano-graphene platelets were studied. Above the critical…

Materials Science · Physics 2019-05-17 Eirini Kolonelou , Anthony N. Papathanassiou , Elias Sakellis

We discuss the phenomenology of phase transitions studied with two control variables. Such measurements have become routine with magnetic field and temperature being varied for 1st order magnetic transitions with an ease not conceivable…

Materials Science · Physics 2014-03-26 P Chaddah

Photoexcitation of metallic nanostructures with short optical pulses can drive non-thermal electronic states, which, upon decay, lead to elevated electronic temperatures ($T_e \gtrapprox 1000\,\mathrm{K}$) eventually equilibrating with the…

Mesoscale and Nanoscale Physics · Physics 2025-01-07 Qian Ye , Stephen K. Sanders , Andrea Schirato , Alessandro Alabastri

Semiconducting two-dimensional transition metal chalcogenide crystals have been regarded as the promising candidate for the future generation of transistor in modern electronics. However, how to fabricate those crystals into practical…

Mesoscale and Nanoscale Physics · Physics 2014-11-18 Xue Liu , Jin Hu , Chunlei Yue , Nicholas D. Della Fera , Yun Ling , Zhiqiang Mao , Jiang Wei

The deflection of liquid droplet driven through a liquid medium under the combined action of transverse electric field and pressure driven flow has been studied in the present analysis. The present experimental and numerical analysis…

Fluid Dynamics · Physics 2018-06-04 Somnath Santra , Shubhadeep Mandal , Aditya Bandopadhyay , Suman Chakraborty

Owing to their high magnon frequencies, antiferromagnets are key materials for future high-speed spintronics. Picosecond switching of antiferromagnetic order has been viewed a milestone for decades and pursued only by using ultrafast…

Large fluctuations of conductivity with time are observed in a low-mobility two-dimensional electron system in silicon at low electron densities $n_s$ and temperatures. A dramatic increase of the noise power ($\propto 1/f^{\alpha}$) as…

Strongly Correlated Electrons · Physics 2009-11-07 Snezana Bogdanovich , Dragana Popovic

We propose here a new platform for a realization of novel nonvolatile optical switching devices that takes an advantage of high field confinement provided by plasmonics and multi-state programming capabilities of chalcogenide phase change…

Optics · Physics 2021-12-20 Jacek Gosciniak

Some features of the field induced phase transition accompanied by the vacuum creation of an electron-positron plasma (EPP) in strong time-dependent electric fields have been discussed in the work [1] in the domain of the tunneling…

Strain engineering is a powerful technology which exploits stationary external or internal stress of specific spatial distribution for controlling the fundamental properties of condensed materials and nanostructures. This advanced technique…

Strongly Correlated Electrons · Physics 2019-02-06 Ia. A. Mogunov , F. Fernández , S. Lysenko , A. J. Kent , A. V. Scherbakov , A. M. Kalashnikova , A. V. Akimov

We elucidate the polymer dynamics of a liquid crystal elastomer based on the time-dependent response of the pendent liquid crystal mesogens. The molecular tilt and switching time of mesogens are analyzed as a function of temperature and…

Soft Condensed Matter · Physics 2010-06-08 Christopher M. Spillmann , Amit V. Kapur , Frank W. Bentrem , Jawad Naciri , Banahalli R. Ratna

A long-standing question for avant-grade data storage technology concerns the nature of the ultrafast photoinduced phase transformations in the wide class of chalcogenide phase-change materials (PCMs). Overall, a comprehensive understanding…

Exciting electrons in solids with intense light pulses offers the possibility of generating new states of matter through nonthermal means and controlling their macroscopic properties on femto- to picosecond timescales. One way to manipulate…

Materials Science · Physics 2021-10-07 Alfred Zong , Anshul Kogar , Nuh Gedik

We investigate the electric field induced resistive switching effect and magnetic field induced fraction enlargement on a polycrystalline sample of a colossal magnetoresistive compound displaying intrinsic phase coexistence. Our data show…

Strongly Correlated Electrons · Physics 2009-11-11 M. Quintero , A. G. Leyva , P. Levy

It is well known that lipid membranes respond to a threshold transmembrane electric field through a reversible mechanism called electroporation, where hydrophilic water pores form across the membrane, an effect widely used in biological…

Soft Condensed Matter · Physics 2023-04-17 Di Jin , Yu Zhang , Jacob Klein

Spin glasses are a longstanding model for the sluggish dynamics that appears at the glass transition. However, spin glasses differ from structural glasses for a crucial feature: they enjoy a time reversal symmetry. This symmetry can be…

Neutron diffraction measurements, performed in presence of an external magnetic field, have been used to show structural evidence for the kinetic arrest of the first-order phase transition from (i) the high temperature austenite phase to…

Materials Science · Physics 2013-11-14 V. Siruguri , P. D. Babu , S. D. Kaushik , Aniruddha Biswas , S. K. Sarkar , K. Madangopal , P. Chaddah

A tuning of the light transmission properties of 1D photonic structures employing an external stimulus is very attracting and opens the way to the fabrication of optical switches for colour manipulation in sensing, lighting, and display…