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We provide a physical explanation for enhancement of the low-energy electron production by sensitizing nanoparticles due to irradiation by fast ions. It is demonstrated that a significant increase in the number of emitted electrons arises…

Atomic and Molecular Clusters · Physics 2016-10-07 Alexey V. Verkhovtsev , Andrei V. Korol , Andrey V. Solov'yov

We present self-assembly routes of metamagnetic FeRh nanoisland arrays using sputter deposition processing. Controlling the growth parameters and epitaxy allows tuning the size and shape of the FeRh nanoislands. While the phase transition…

Catalytically active macromolecules are envisioned as key building blocks in development of artificial nanomotors. However, theory and experiments report conflicting findings regarding their dynamics. The lack of consensus is mostly caused…

Statistical Mechanics · Physics 2022-09-15 Artem Ryabov , Mykola Tasinkevych

Controlling the polarization switching in the ferroelectric nanocrystals, nanowires and nanodots has an inherent specificity related to the emergence of depolarization field that is associated with the spontaneous polarization. This field…

Mesoscale and Nanoscale Physics · Physics 2015-10-06 Pierre-William Martelli , Séraphin M. Mefire , Igor Luk'yanchuk

It has been predicted theoretically that an unconventional odd-frequency spin-triplet component of superconducting order parameter can be induced in multilayered ferromagnetic structures with non-collinear magnetization. In this work we…

Superconductivity · Physics 2015-06-19 Adrian Iovan , Taras Golod , Vladimir M. Krasnov

While piezoelectrics and ferroelectrics are playing a key role in many everyday applications, there are still a number of open questions related to the physics of those materials. In order to foster the understanding of piezoelectrics and…

Materials Science · Physics 2017-12-01 Andres Gomez , Marti Gich , Adrien Carretero-Genevrier , Teresa Puig , Xavier Obradors

Recent experiments performed in current-driven nano-contacts with strong perpendicular anisotropy have shown that spin-transfer torque can drive self-localized spin waves [1, 2] that above a certain threshold intensity can condense into a…

Mesoscale and Nanoscale Physics · Physics 2017-01-11 D. Xiao , V. Tiberkevich , Y. H. Liu , Y. W. Liu , S. M. Mohseni , S. Chung , M. Ahlberg , A. N. Slavin , J. Åkerman , Yan Zhou

Delta ($\delta$) phase comprising polyvinylidene fluoride (PVDF) nanoparticles are fabricated through electrospray technique by applying 0.1 MV/m electric field at ambient temperature and pressure, which is 10$^{3}$ times lower than the…

We present a theoretical description of a mechanism for self assembly in binary soft nanoparticle systems of the type which were studied experimentally by Talapin et al [1]. We focus on, in particular, the conditions for formation of…

Statistical Mechanics · Physics 2021-04-13 Anuradha Jagannathan

The lead halide perovskite nanocrystals embedded into a glass matrix exhibit strong interaction with light and demonstrate exceptional optical and spin related features along with long-term chemical and physical stability. We apply the spin…

Mesoscale and Nanoscale Physics · Physics 2025-02-25 V. O. Kozlov , I. A. Smirnov , M. S. Kuznetsova , E. V. Kolobkova , G. G. Kozlov , V. S. Zapasskii , D. S. Smirnov , I. I. Ryzhov

Plasmonic nanocavities form very robust sub-nanometer gaps between nanometallic structures and confine light in deep subwavelength volumes to enable unprecedented control on light-matter interactions. However, spherical nanoparticles…

Composite materials based on Poly(3,4-ethylenedioxythiophene) (PEDOT) and CoFe$_2$O$_4$ magnetic nanoparticles (NP) were synthesized by chemical oxidative polymerization with varying monomer and surfactant (DBSA) concentrations, and were…

Materials Science · Physics 2025-07-11 Gabriel Paciaroni , María Ana Castro , Carlos Acha , Paula Soledad Antonel

Nanocomposites comprised of insulated magnetic single-domain particles are promising candidates for high-frequency, eddy current free, soft magnetic materials, but tend to suffer from low magnetic susceptibility ($<20$). Particle alignment…

We assess the potentiality of several geometries of metallic nanodimers (one of the simplest thermoplasmonic systems) as candidates for active particles (nanoswimmers) propelled and controlled by light (phototaxis). The studied nanodimers…

Mesoscale and Nanoscale Physics · Physics 2020-02-19 Andrés I. Bertoni , Nicolás Passarelli , Raúl Bustos-Marún

Nanoscale BaTiO3 particles (approximately 10 nm) prepared by ball-milling a mixture of oleic acid and heptane have been reported to have an electric polarization several times larger than that for bulk BaTiO3. In this work, detailed local,…

Materials Science · Physics 2023-02-16 H. Zhang , S. Liu , S. Ghose , B. Ravel , I. U. Idehenre , Y. A. Barnakov , S. A. Basun , D. R. Evans , T. A. Tyson

Ferroelectric perovskites have been ubiquitously applied in piezoelectric devices for decades, among which, eco-friendly lead-free (K,Na)NbO3-based materials have been recently demonstrated to be an excellent candidate for sustainable…

Materials Science · Physics 2023-01-18 Hao-Cheng Thong , XiaoYang Wang , Han Wang , Linfeng Zhang , Ke Wang , Ben Xu

Size- and shape- dependent unique properties of the metal halide perovskite nanocrystals make them promising building blocks for constructing various electronic and optoelectronic devices. These unique properties together with their easy…

Materials Science · Physics 2023-06-07 Athanasia Kostopoulou , Ioannis Konidakis , Emmanuel Stratakis

Metastable phases may be spontaneously formed from other metastable phases through nucleation. Here we demonstrate the spontaneous formation of a metastable phase from an unstable equilibrium by spinodal decomposition, which leads to a…

Soft Condensed Matter · Physics 2016-10-10 Ricard Alert , Pietro Tierno , Jaume Casademunt

Superconducting nanowires can be fabricated by decomposition of an organometallic gas using a focused beam of Ga ions. However, physical damage and unintentional doping often results from the exposure to the ion beam, motivating the search…

Mesoscale and Nanoscale Physics · Physics 2015-02-18 Shamashis Sengupta , Chuan Li , Cedric Baumier , Alik Kasumov , S. Gueron , H. Bouchiat , F. Fortuna

Monodispersed strontium titanate nanoparticles were prepared and studied in detail. It is found that ~10 nm as-prepared stoichiometric nanoparticles are in a polar structural state (with possibly ferroelectric properties) over a broad…