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The interplay between laser parameters and liquid environments dictates the outcome of femtosecond laser-induced nanoparticle modification. We present a study of gold and iron oxide nanoparticles in water and a water-acetone mixture,…

Electrochemical oxidation-reduction of radicals is a green and environmentally friendly approach to generating fuels. These reactions, however, suffer from sluggish kinetics due to a low local concentration of radicals around the…

Chemical Physics · Physics 2021-12-15 Chaudry Sajed Saraj , Subhash C. Singh , Gopal Verma , Rahul A Rajan , Wei Li , Chunlei Guo

Nanocrystalline bulk materials are desirable for many applications as they combine mechanical strength and specific electronic transport properties. Our bottom up approach starts with tailored nanoparticles. Compaction and thermal treatment…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 D. Schwesig , G. Schierning , R. Theissmann , N. Stein , N. Petermann , H. Wiggers , R. Schmechel

The variation of metallic particle size and sample porosity significantly alters the dynamic mechanical properties of high density granular composites processed using a cold isostatically pressed mixture of polytetrafluoroethylene (PTFE),…

Soft Condensed Matter · Physics 2009-11-13 E. B. Herbold , V. F. Nesterenko , D. J. Benson , J. Cai , K. S. Vecchio , F. Jiang , J. W. Addiss , S. M. Walley , W. G. Proud

In recent years, there has been a renewed interest in complex coacervation, driven by concerted efforts to offer novel experimental and theoretical insights into electrostatic charge-induced association. While previous studies have…

Soft Condensed Matter · Physics 2024-10-30 Letícia Vitorazi , Jean-François Berret

Nanostructured La0.67Ca0.33MnO3 (NS-LCMO) was formed by pulsed-laser deposition on the surface of porous Al2O3. The resistance peak temperature (Tp) of the NS-LCMO increases with increasing average thickness of the films, while their Curie…

Materials Science · Physics 2009-11-10 Y. G. Zhao , W. Cai , X. S. Wu , X. P. Zhang , K. Wang , S. N. Gao , L. Lu

We report a study on the pressure response of the anisotropy energy of hollow and solid maghemite nanoparticles. The differences between the maghemite samples are understood in terms of size, magnetic anisotropy and shape of the particles.…

Materials Science · Physics 2013-10-01 N. J. O. Silva , S. Saisho , M. Mito , A. Millán , F. Palacio , A. Cabot , Òscar Iglesias , A. Labarta

Small angle X-ray scattering (SAXS) studies in poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene vinylene] (MEH-PPV) with varying conjugation, and polyethylene dioxythiophene complexed with polystyrene sulfonate (PEDOT-PSS) in different…

Soft Condensed Matter · Physics 2010-11-11 Paramita Kar Choudhury , Debjani Bagchi , C. S. Suchand Sangeeth , Reghu Menon

The present study investigates the effect of different reaction times on the crystallinity, surface morphology and size of iron oxide nanoparticles. In this synthetic system, aqueous iron (III) nitrate (Fe(NO$_3$)$_3\cdot9$H$_2$O)…

Applied Physics · Physics 2021-10-29 Ioannis Papagiannis , Mauro S. Innocente , Evangelos I. Gkanas

Hybrid (organic-inorganic) materials have emerged as a promising class of thermoelectric materials, achieving power factors exceeding those of either constituent. The mechanism of this enhancement is still under debate, and pinpointing the…

The magnetic order of La0.7Sr0.3MnO3 nanoparticles (NPs) fabricated in a SPEX D8000 mill was systematically studied. The La0.7Sr0.3MnO3 nanocrystals grow from the milled constituent oxides during the milling processes. The magnetization…

Materials Science · Physics 2009-03-10 Ha M. Nguyen , D. H. Manh , L. V. Hong , N. X. Phuc , Y. D. Yao

Topological crystalline insulator tin telluride (SnTe) provides a rich playground to examine interactions of correlated electronic states, such as ferroelectricity, topological surface states, and superconductivity. Making SnTe into…

The influence of dimethyl sulfoxide (DMSO) on membrane thickness, multilamellar repeat distance, and phase transitions of 1,2-dipalmitoyl-sn-glycero-3-phosphatidylcholine (DPPC) was investigated by X-ray diffraction and small-angle neutron…

Biological Physics · Physics 2007-05-23 M. A. Kiselev , P. Lesieur , A. M. Kisselev , C. Grabielle-Madelmond , M. Ollivon

We study a model for unimolecular reaction on a supported catalyst including reactant diffusion and desorption, using analytical methods and scaling concepts. For rapid reactions, enhancing surface diffusion or increasing particle size…

Statistical Mechanics · Physics 2009-06-18 T. G. Mattos , Fabio D. A. Aarao Reis

Undoped and Mn-doped ZnS nanocrystals were produced by the microwave-assisted solvothermal method and characterized by X-ray diffraction, photoluminescence spectroscopy and scanning electron microscopy with energy-dispersive X-ray…

Materials Science · Physics 2022-08-09 Alexei Kuzmin , Milena Dile , Katrina Laganovska , Aleksejs Zolotarjovs

Oils and fragrances can be encapsulated by using composite shells of silica nanoparticles, polymer and surfactant (potassium oleate). The template for the creation of the core-shell structure is a particle stabilized (Pickering) emulsion.…

Soft Condensed Matter · Physics 2020-09-11 T. G. Slavova , G. M. Radulova , P. A. Kralchevsky , K. D. Danov

In this paper we report structural and optical properties of Magnesium substituted Zinc Oxide (Zn1-xMgxO) nanocrystals (~10-12nm) synthesized by low temperature route. In the low temperature synthesis route it was possible to reach x = 0.17…

Materials Science · Physics 2011-09-15 Manoranjan Ghosh , A. K. Raychaudhuri

In this work, the effects of finite size on the determination of the three-phase coexistence temperature ($T_3$) of carbon dioxide (CO$_2$) hydrate have been studied by molecular dynamic simulations and using the direct coexistence…

Soft Condensed Matter · Physics 2024-08-06 J. Algaba , S. Blazquez , E. Feria , J. M. Míguez , M. M. Conde , F. J. Blas

In oxide materials, nanostructuring effect has been found very promising approach for the enhancement of \textit{figure-of-merit}, \textit{ZT}. In the present work, we have synthesized La$_{0.7}$Sr$_{0.3}$MnO$_{3}$ (LSMO) compound using…

The quest for safe high-energy batteries with "5V-class" cathodes and lithium metal anodes drives research into solid electrolytes. However, reasons for the large charge transfer resistances -- the major bottleneck of all-solid-state…

Chemical Physics · Physics 2021-01-26 Katharina Becker-Steinberger , Simon Schardt , Birger Horstmann , Arnulf Latz
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