English
Related papers

Related papers: Size and density controlled metal nanocluster embe…

200 papers

The uptake and sorption of charged molecules by responsive polymer membranes and hydrogels in aqueous solutions is of key importance for the development of soft functional materials. Here we investigate the partitioning of simple monoatomic…

Soft Condensed Matter · Physics 2020-03-24 Matej Kanduč , Won Kyu Kim , Rafael Roa , Joachim Dzubiella

Embedding nanostructures within a bulk matrix is an important practical approach towards the electronic engineering of high performance thermoelectric systems. For power generation applications, it ideally combines the efficiency benefit…

Mesoscale and Nanoscale Physics · Physics 2015-10-12 Aniket Singha , Subhendra D. Mahanti , Bhaskaran Muralidharan

We here present printable and castable magnetic nanocomposites containing superparamagnetic 11$\pm$3 nm $\gamma$-Fe$_2$O$_3$ particles in an insulating poly-vinyl alcohol polymer matrix. The nanocomposites feature well-dispersed particles…

The nitrogen-vacancy (NV) center in diamond exists in different charge states with distinct photoluminescence properties, which are sensitive to the nanoscale electrochemical environment. Hence, the NV charge state is emerging as a powerful…

Mesoscale and Nanoscale Physics · Physics 2026-05-12 Patrick Voorhoeve , Hiroshi Abe , Takeshi Ohshima , Qiang Sun , Anita Quigley , Rob Kapsa , Nikolai Dontschuk , Philipp Reineck

We develop a generalized grand canonical potential for the ballistic nonequilibrium electron distribution in a metal nanowire with a finite applied bias voltage. Coulomb interactions are treated in the self-consistent Hartree approximation,…

Mesoscale and Nanoscale Physics · Physics 2008-07-09 C. -H. Zhang , J. Bürki , C. A. Stafford

Finite-temperature structures of Cu, Ag, and Au metal nanoclusters are calculated in the entire temperature range from 0 K to melting using a computational methodology that we proposed recently [Settem \emph{et al.}, Nanoscale, 2022, 14,…

Materials Science · Physics 2023-08-16 Manoj Settem , Cesare Roncaglia , Riccardo Ferrando , Alberto Giacomello

Nanoporous supercapacitors are an important player in the field of energy storage that fill the gap between dielectric capacitors and batteries. The key challenge in the development of supercapacitors is the perceived trade-off between…

Materials Science · Physics 2016-06-22 Alpha A Lee , Dominic Vella , Alain Goriely , Svyatoslav Kondrat

Low-energy deposition of neutral Pd_N clusters (N=2-7 and 13) on a MgO(001) surface F-center (FC) was studied by spin-density-functional molecular dynamics simulations. The incident clusters are steered by an attractive "funnel" created by…

Materials Science · Physics 2009-11-07 M. Moseler , H. Hakkinen , U. Landman

We demonstrate nuclear magnetic resonance (NMR) spectroscopy of picoliter-volume solutions with a nanostructured diamond chip. Using optical interferometric lithography, diamond surfaces were nanostructured with dense, high-aspect-ratio…

Mesoscale and Nanoscale Physics · Physics 2017-11-01 P. Kehayias , A. Jarmola , N. Mosavian , I. Fescenko , F. M. Benito , A. Laraoui , J. Smits , L. Bougas , D. Budker , A. Neumann , S. R. J. Brueck , V. M. Acosta

Repeated off-chip memory accesses to DRAM drive up operating power for data-intensive applications, and SRAM technology scaling and leakage power limits the efficiency of embedded memories. Future on-chip storage will need higher density…

Emerging Technologies · Computer Science 2022-01-13 Lillian Pentecost , Alexander Hankin , Marco Donato , Mark Hempstead , Gu-Yeon Wei , David Brooks

A method for subsurface visualization and characterization of hidden subsurface nano-structures based on Scanning Tuneling Microscopy/Spectroscopy (STM/STS) has been developed. The nano-objects buried under a metal surface up to several…

Mesoscale and Nanoscale Physics · Physics 2023-04-19 Oleg Kurnosikov , Muriel Sicot , Emilie Gaudry , Danielle Pierre , Yuan Lu , Stéphane Mangin

Solid state ionic conductors are good candidates for the next generation of nonvolatile computer memory elements. Such devices have to show reproducible resistance switching at reasonable voltage and current values even if scaled down to…

Mesoscale and Nanoscale Physics · Physics 2011-04-25 A. Geresdi , A. Halbritter , A. Gyenis , P. Makk , G. Mihály

Using focused-electron-beam-induced deposition, Cobalt magnetic nanospheres with diameter ranging between 100 nm and 300 nm are grown at the tip of ultra-soft cantilevers. By monitoring the mechanical resonance frequency of the cantilever…

We report on the fabrication and measurements of platinum-self-aligned nanogap devices containing cubed iron (core)/iron oxide (shell) nanoparticles (NPs) with two average different sizes (13 and 17 nm). The nanoparticles are deposited by…

Exploration of metal clusters (MCs) adaptive to both aqueous and oil phases without disturbing their size is promising for a broad scope of applications. The state-of-the-art approach via ligand-binding may perturb MC size due to varied…

Chemical Physics · Physics 2019-04-26 Su-Yun Zhang , Zdravko Kochovski , Hui-Chun Lee , Yan Lu , Jie Zhang , Jian-Ke Sun , Jiayin Yuan

Quasi-static hysteresis loops of spherical and spheroidal magnetite nanoparticles with semi-axes ratio a/b = 1.5 and 2.0 with different types of combined magnetic anisotropy are calculated using numerical simulation. For particles of each…

Mesoscale and Nanoscale Physics · Physics 2024-05-07 N. A. Usov , O. N. Serebryakova

In the present work, a thin film was deposited on quartz substrate by reactive RF magnetron sputtering of high purity (99.999%) aluminium target using ultra-high pure (Ar + N2) gas mixture. The percentage ratio of Ar and N2 in the gas…

Materials Science · Physics 2020-10-19 Deena Nath , U. P. Deshpande , N. V. Chandra Shekar , Sujay Chakravarty

We investigate native nitrogen (NV) and silicon vacancy (SiV) color centers in commercially available, heteroepitaxial, wafer-sized, mm thick, single-crystal diamond. We observe single, native NV centers with a density of roughly 1 NV per…

We have fabricated nanometer sized magnetic tunnel junctions using a new nanoindentation technique in order to study the transport properties of a single metallic nanoparticle. Coulomb blockade effects show clear evidence for single…

Materials Science · Physics 2009-11-11 A. Bernand-Mantel , P. Seneor , N. Lidgi , M. Munoz , V. Cros , S. Fusil , K. Bouzehouane , C. Deranlot , A. Vaures , F. Petroff , A. Fert

Nuclear magnetic resonance (NMR) imaging with shallow nitrogen-vacancy (NV) centers in diamond offers an exciting route toward sensitive and localized chemical characterization at the nanoscale. Remarkable progress has been made to combat…