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Ti-O nanoparticles have been synthesized via hollow cathode sputtering in an Ar-O2 atmosphere using high power pulsing. It is shown that the stoichiometry and the size of the nanoparticles can be varied independently, the former through…

Mesoscale and Nanoscale Physics · Physics 2018-10-09 Rickard Gunnarsson , Ulf Helmersson , Iris Pilch

Bio-conjugated nanomaterials play a promising role in the development of novel supramolecular structures, molecular machines, and biosensing devices. In this study, lipid-conjugated gold nanoparticles were synthesized and allowed to form a…

Materials Science · Physics 2012-07-24 Subhasish Chatterjee , Markrete Krikorian , Harry D. Gafney , Bonnie Gersten

When ultrathin metal films are subjected to multiple cycles of rapid melting and resolidification by a ns pulsed laser, spatially correlated interfacial nanostructures can result from a competition among several possible thin film…

Materials Science · Physics 2009-11-13 C. Favazza , J. Trice , R. Kalyanaraman , R. Sureshkumar

High quality metal thin films and nanostructures are critical building blocks for next generation nanotechnologies. They comprise low-loss circuit elements in nanodevices, provide new catalytic pathways for water splitting and $CO_2$…

Applied Physics · Physics 2019-06-20 Sasan V. Grayli , Xin Zhang , Finlay C. MacNab , Saeid Kamal , Gary W. Leach

The ability to control and understand the phase transitions of individual nanoscale building blocks is key to advancing the next generation of low-power reconfigurable nanophotonic devices. To address this critical challenge, molecular…

We report on the in situ formation of 2D and 3D self assembled superlattices of upconverting nanoparticles. These as synthesized self assembled nanophosphors can emit sharp and intence luminescence and fluorescence using tunable wavelength…

Optics · Physics 2022-06-06 Monami Das Modak , Anil Kumar Chaudhary , Pradip Paik

Using a recently-proposed mathematical model for intercalation dynamics in phase-separating materials [Singh, Ceder, Bazant, Electrochimica Acta 53, 7599 (2008)], we show that the spinodal and miscibility gaps generally shrink as the host…

Materials Science · Physics 2016-09-21 Damian Burch , Martin Z. Bazant

Single phase barium titanate-bismuth ferrite ((1-x)BaTi$_3$-(x)BiFe$_3$, BTO-BFO) solid solutions were prepared using citric acid and ethylene glycol assisted sol-gel synthesis method. Depending on the dopant content the samples are…

Solution processed {\gamma}-Fe2O3 nanoparticles via the solvothermal colloidal synthesis in conjunction with ligand-exchange method are used for interface modification of the top electrode in inverted perovskite solar cells. In comparison…

Understanding the complexity of fragmentation processes is essential for regulating intercellular communication in mechanistic biology and developing novel bottom-up approaches in a large range of multiphase flow processes. In this context,…

Mesoscale and Nanoscale Physics · Physics 2019-05-09 François Sicard , Jhoan Toro-Mendoza , Alberto Striolo

The evolution of a continuous Fe(NO3)3 catalyst film was observed by in-situ annealing in a Transmission Electron Microscope (TEM). Such catalysts are routinely used in the catalytic growth of carbon nanotubes. The experiments reveal that…

Materials Science · Physics 2015-07-20 Christian Klinke , Jean-Marc Bonard , Klaus Kern

We investigated the mechanism of the spin-reorientation transition (SRT) in the Ni/Fe/Ni/W(110) system using in situ low-energy electron microscopy, x-ray magnetic circular dichroism measurements, and first principles electronic structure…

Materials Science · Physics 2011-04-29 J. -S. Lee , J. T. Sadowski , H. Jang , J. -H. Park , J. -Y. Kim , J. Hu , R. Wu , C. -C. Kao

Integration of high-quality photon emitters at specific locations within nanophotonic structures or optoelectronic devices is a key to innovating on-chip optical control and quantum technologies. Halide perovskite nanoparticles have great…

The control of the magnetization inversion dynamics is one of the main challenges driving the design of new nanostructured magnetic materials for magnetoelectronic applications. Nanoparticles with onion-like architecture offer a unique…

Mesoscale and Nanoscale Physics · Physics 2023-06-26 Jorge M. Nuñez , Simon Hettler , Enio Lima , Gerardo. F. Goya , Raul Arenal , Roberto D. Zysler , Myriam H. Aguirre , Elin L. Winkler

The interaction of high-energy electrons and X-ray photons with soft semiconductors such as halide perovskites is essential for the characterisation and understanding of these optoelectronic materials. Using nano-probe diffraction…

Nanostructured catalysts have attracted the increased attention for biomass conversion into high-valued chemicals due to the rapid depletion of fossil resources and increasingly severe environmental issues. Supercritical carbon dioxide…

Chemical Physics · Physics 2024-03-26 Zhiwei Jiang , Yongjian Zeng , Ruichao Guo , Lu Lin , Rafael Luque , Kai Yan

Nanogenerators based on piezoelectric materials convert ever-present mechanical vibrations into electrical power for energetically autonomous wireless and electronic devices. Nanowires of piezoelectric polymers are particularly attractive…

Materials Science · Physics 2015-05-15 Richard Whiter , Vijay Narayan , Sohini Kar-Narayan

We report on the controlled creation of multiple soliton complexes of the dark-bright type in one-dimensional two-component, three-component and spinor Bose-Einstein condensates. The formation of these states is based on the so-called…

Quantum Gases · Physics 2020-06-05 A. Romero-Ros , G. C. Katsimiga , P. G. Kevrekidis , P. Schmelcher

The efficient and cost-effective conversion of nitro compounds to amines is crucial for industrial processes and environmental remediation, highlighting the growing demand for earth-abundant metal-based catalysts. In this study, magnetic…

Chemical Physics · Physics 2025-12-24 Anjali Varshney , Ritesh Dubey , Sushil Kumar , Tapas Goswami , Samar Layek

Light-activated self-propelled colloids are synthesized and their active motion is studied using optical microscopy. We propose a versatile route using different photoactive materials, and demonstrate a multiwavelength activation and…

Soft Condensed Matter · Physics 2014-10-28 J. Palacci , S. Sacanna , S. -H. Kim , G. -R. Yi , D. J. Pine , P. M. Chaikin