English
Related papers

Related papers: Characterisation of nanostructured GaSb : Comparis…

200 papers

The use of highly efficient and solarblind GaN photocathodes as part of multichannel plate UV detectors for applications in astronomy would strongly benefit from the direct growth of GaN on typical window materials with high transmission…

We study the structural and mechanical properties of nanoporous (NP) carbon materials by extensive atomistic machine-learning (ML) driven molecular dynamics (MD) simulations. To this end, we retrain a ML Gaussian approximation potential…

Materials Science · Physics 2021-12-14 Yanzhou Wang , Zheyong Fan , Ping Qian , Tapio Ala-Nissila , Miguel A. Caro

Electromagnetic interaction between a sub-wavelength particle (the `probe') and a material surface (the `sample') is studied theoretically. The interaction is shown to be governed by a series of resonances corresponding to surface polariton…

Mesoscale and Nanoscale Physics · Physics 2016-02-11 B. -Y. Jiang , L. M. Zhang , A. H. Castro Neto , D. N. Basov , M. M. Fogler

We use a cooled Scanning Probe Microscope (SPM) to electron motion in nanoscale devices. The charged tip of the SPM is raster scanned at a constant height above the surface as the conductance of the device is measured. The image charge…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 Sagar Bhandari , Gil-Ho Lee , Philip Kim , Robert M. Westervelt

In this review, we first provided a brief overview of cellulose structures, categorizing various types of nanocellulose based on their production methods, and discussed different photonic structures such as cholesteric phases, photonic…

Optics · Physics 2025-04-30 Jonas Rashidi

We report on a nanoscale patterning method on Si substrates using self-assembled metal islands and low-energy ion-beam irradiation. The Si nanostructures produced on the Si substrate have a one-to-one correspondence with the self-assembled…

Materials Science · Physics 2009-11-10 B. Satpati , B. N. Dev

Periodic assemblies of nanoparticles are central to surface patterning, with applications in biosensing, energy conversion, and nanofabrication. Evaporation of colloidal droplets on substrates provides a simple yet effective route to…

Soft Condensed Matter · Physics 2026-01-29 Suman Bhattacharjee , Sanjoy Khawas , Sunita Srivastava

The influence of material characteristics - i.e., type or surface texture - to wetting properties is nowadays increased by the implementation of ultrafast lasers for nanostructuring. In this account, we exposed multilayer thin metal film…

One of the key challenges in magnetism remains the determination of the nanoscopic magnetization profile within the volume of thick samples, such as permanent ferromagnets. Thanks to the large penetration depth of neutrons, magnetic…

Mesoscale and Nanoscale Physics · Physics 2020-09-21 Philipp Bender , Jonathan Leliaert , Mathias Bersweiler , Dirk Honecker , Andreas Michels

The way of reduction of metal oxyde semiconductor (MOS) structures is going to reach limitations and new devices have to be explored as an alternative to MOS technology. Molecular electronic and more particularly self-assembly-molecular…

Materials Science · Physics 2007-08-15 C. Trapes , L. Rouai , L. Patrone

The structural features of polystyrene brushes grafted on spherical silica nanoparticles immersed in polystyrene are investigated by means of a Monte Carlo methodology based on polymer mean field theory. The nanoparticle radii (either 8 nm…

Soft Condensed Matter · Physics 2014-01-17 Georgios G. Vogiatzis , Doros N. Theodorou

Using large-scale molecular dynamics simulations, we investigate the scaling of morphological and contact mechanics properties of Al and Cu nanoparticles (NPs) physisorbed on suspended graphene. The characteristic linear size of a NP ranges…

Mesoscale and Nanoscale Physics · Physics 2026-05-20 Mykola Prodanov , Oleksii Khomenko

Nanostructured surfaces usually exhibit complicated morphologies that cannot be described in terms of Euclidean geometry. Simultaneously, they do not constitute fully random noise fields to be characterized by simple stochastics and…

Mesoscale and Nanoscale Physics · Physics 2022-02-03 A. Arapis , V. Constantoudis , D. Kontziampasis , A. Milionis , C. W. E. Lam , A. Tripathy , D. Poulikakos , E. Gogolides

We present a direct experimental investigation of the optical field distribution around a suspended tapered optical nanofiber by means of a fluorescent scanning probe. Using a 100 nm diameter fluorescent bead as a probe of the field…

Optical switches are one of the most important elements of integrated photonics. Here, we designed, fabricated and characterized several nanophotonic optical switches (NOSs) in silicon that exhibit ultra-compact footprint, along with…

Optics · Physics 2019-04-02 Apratim Majumder , Mark Mondol , Trisha L. Andrew , Rajesh Menon

Analysis of nanoscale short-range chemical and/or structural order via (scanning) transmission electron microscopy (S/TEM) imaging is fundamentally limited by projection of the three dimensional sample, which averages informational along…

Materials Science · Physics 2022-08-25 Michael Xu , Abinash Kumar , James M. LeBeau

Detailed analysis of scanning probe microscopy (SPM) data acquired for faceted and non-flat surfaces is usually complicated due to the presence of a large number of surface areas tilted by large/variable angles relative to the scanning…

Materials Science · Physics 2024-09-30 A. Yu. Aladyshkin , A. N. Chaika , V. N. Semenov , A. S. Aladyshkina , S. I. Bozhko , A. M. Ionov

Nanoscale structure determination belongs to one of the crucial tasks in materials science. Small-angle neutron scattering (SANS) is a highly valuable tool to investigate nanostructures. Here, we explore the possibility of a compact SANS…

Instrumentation and Detectors · Physics 2022-02-01 Markus Bleuel , Miriam Siebenbürger , Peter Böni , Gerald J. Schneider

The hotspots, which are typically found in nanogaps between metal structures, are critical for the enhancement of the electromagnetic field. Surface-enhanced Raman scattering (SERS), a technique known for its exceptional sensitivity and…

Increasing miniaturization and complexity of nanostructures require innovative metrology solutions with high throughput that can assess complex 3D structures in a non-destructive manner. EUV scatterometry is investigated for the…

Applied Physics · Physics 2021-08-30 Analía Fernández Herrero , Victor Soltwisch , Mika Pflüger , Jana Puls , Frank Scholze