English
Related papers

Related papers: Picosecond electric-field-induced threshold switch…

200 papers

The intrinsic nature of glass states or glass transitions has been a mystery for a long time. Recently, more and more studies tend to show that a glass locates at a specific potential energy landscape (PEL). To explore how the flatness of…

Soft Condensed Matter · Physics 2020-11-06 D. Y. Sun , X. G. Gong

Recently it has been shown that not only GdFeCo alloys exhibit single-pulse helicity-independent all-optical switching (HI-AOS), but that this effect is also seen in Co/Gd bilayers. However, there have been no reports on the explicit time…

Mesoscale and Nanoscale Physics · Physics 2022-02-09 M. J. G. Peeters , Y. M. van Ballegooie , B. Koopmans

Future multi-functional hybrid devices might combine switchable molecules and 2D material-based devices. Spin-crossover compounds are of particular interest in this context since they exhibit bistability and memory effects at room…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 J. Dugay , M. Aarts , M. Giménez-Marqués , T. Kozlova , H. W. Zandbergen , E. Coronado , H. S. J van der Zant

Non-volatile multivalued memory effects caused by magnetic fields, currents, and voltage pulses are studied in Nd_{0.65}Ca_{0.35}MnO_3 and (Nd_{1-y}Sm_{y})_{0.5}Sr_{0.5}MnO_3 (y=0.75) single crystals in the hysteretic region between…

Strongly Correlated Electrons · Physics 2009-11-11 H. Song , M. Tokunaga , S. Imamori , Y. Tokunaga , T. Tamegai

We show that piezoelectric strain actuation of acoustomechanical interactions can produce large phase velocity changes in an existing quantum phononic platform: aluminum nitride on suspended silicon. Using finite element analysis, we…

Quantum Physics · Physics 2021-06-15 Jeffrey C. Taylor , Eric Chatterjee , William F. Kindel , Daniel Soh , Matt Eichenfield

The possibility of controlling spins using ultrashort light and strain pulses has triggered intense discussions about the mechanisms responsible for magnetic re-ordering. All-optical magnetisation switching can be achieved through ultrafast…

Field-driven phase transitions generally arise from competition between Zeeman energy and exchange or crystal-field anisotropy. Here we present the phase diagram of a frustrated pyrochlore magnet Gd2Ti2O7, where crystal field splitting is…

Statistical Mechanics · Physics 2016-08-31 A. P. Ramirez , B. S. Shastry , A. Hayashi , J. J. Krajewski , D. A. Huse , R. J. Cava

Femtosecond time-resolved second harmonic generation (SHG) measurements were performed at room temperature on a single crystal of LuFe2O4, which has recently attracted attention as an electronic ferroelectric material in which polarization…

Materials Science · Physics 2024-05-13 H. Yu , Y. Fukada , G. Nishida , K. Takubo , T. Ishikawa , S. Koshihara , N. Ikeda , Y. Okimoto

The near threshold "soft breakdown" measurements of PVC films conductivity are investigated. In a wide range of external electric field strength for various rather thick (>20 mkm) PVC films the resistance shows strong nonlinearity and seems…

Materials Science · Physics 2010-04-29 D. V. Vlasov , L. A. Apresyan , V. I. Krystob , T. V. Vlasova

Recently, it has been discovered that in contrast to expectations the low-temperature dielectric properties of some multi-component glasses depend strongly on magnetic fields. In particular, the low-frequency dielectric susceptibility and…

Disordered Systems and Neural Networks · Physics 2009-11-07 C. Enss , S. Ludwig

Reducing energy dissipation while increasing speed in computation and memory is a long-standing challenge for spintronics research. In the last 20 years, femtosecond lasers have emerged as a tool to control the magnetization in specific…

We study correlated switchings of superconducting nanobridge probed with train of current pulses. For pulses with low repetition rate each pulse transits the superconducting bridge to normal state with probability $P$ independent of the…

Superconductivity · Physics 2021-07-21 Maciej Zgirski , Marek Foltyn , Alexander Savin , Konrad Norowski

Intense light-matter interactions and unique structural and electrical properties make Van der Waals heterostructures composed by Graphene (Gr) and monolayer transition metal dichalcogenides (TMD) promising building blocks for tunnelling…

The fundamental building blocks of modern silicon-based microelectronics, such as double gate transistors in non-volatile Flash memories, are based on the control of electrical resistance by electrostatic charging. Flash memories could soon…

Materials Science · Physics 2013-04-23 Laurent Cario , Cristian Vaju , Benoit Corraze , Vincent Guiot , Etienne Janod

The ability to dynamically steer fs pulses from a monolithically integrated source is a critical milestone for the fields of nanophotonics and ultrafast optics. The nascent field of reconfigurable metasurfaces -- made of optically resonant…

Light-induced sliding ferroelectricity in two-dimensional van der Waals materials enables polarization control via relative layer motion. However, polarization switching occurs on the time scale of shear modes (tens of ps) and requires very…

Materials Science · Physics 2026-05-26 Xiangzhou Zhu , Stefano Mocatti , Matteo Calandra

There is a surge of interest in developing environmentally friendly cooling technology based on the solid--state electrocaloric effect (ECE). Here, we point out that negative ECE with a fast cooling rate ($\approx$10$^{11}$ K/s) can be…

Materials Science · Physics 2018-02-07 Yubo Qi , Shi Liu , Aaron M. Lindenberg , Andrew M. Rappe

We have measured the critical phase change conditions induced by electrical pulses in Ge2Sb2Te5 nanopillar phase change memory devices by constructing a comprehensive resistance map as a function of pulse parameters (width, amplitude and…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Ozhan Ozatay , Barry Stipe , Jordan Katine , Bruce Terris

We propose a new phase of matter, an electronic phase separation transition that starts near the upper pseudogap and segregates the holes into high and low density domains. The Cahn-Hilliard approach is used to follow quantitatively this…

Superconductivity · Physics 2015-05-13 E. V. L de Mello , R. B. Kasal , Otton S. T. Filho , C. A. C. Passos

The micro-newton cusped field Hall thruster is an electric propulsion device that employs microwave-assisted ionization control. It serves as an actuator in drag-free control systems, ensuring control accuracy and stability by providing…

Plasma Physics · Physics 2026-04-23 Jiahao Wu , Ming Zeng , Hui Liu , Daren Yu
‹ Prev 1 4 5 6 7 8 10 Next ›