Results 61 to 70 of about 44,752 (262)

Structural Flyby Characterization of Nanoporosity [PDF]

, 2004
Recently, Ferreira da Silva et al. [3] have performed a gradient pattern analysis of a canonical sample set (CSS) of scanning force microscopy (SFM) images of p-Si.
Andersen, Canham, Ferreira da Silva, Ferreira da Silva, Lockwood, Mammana, Ramos, Rosa, Rosa   +8 more
core   +1 more source

All‐Optical Reconfigurable Physical Unclonable Function for Sustainable Security

Advanced Materials, EarlyView.
An all‐optical reconfigurable physical unclonable function (PUF) is demonstrated using plasmonic coupling–induced sintering of optically trapped gold nanoparticles, where Brownian motion serves as a robust entropy source. The resulting optical PUF exhibits high encoding density, strong resistance to modeling attacks, and practical authentication ...
Jang‐Kyun Kwak, Changgyun Moon, Hyun‐Bin Yu, Sunkook Kim, Dong‐Hwan Kim   +4 more
wiley   +1 more source

Effect of the Host on Deep-Blue Organic Light-Emitting Diodes Based on a TADF Emitter for Roll-Off Suppressing

Nanomaterials, 2019
To achieve significant efficiency and low roll-off in thermally activated delayed fluorescence (TADF) material organic light-emitting diodes (OLEDs), it is essential to choose a host that has suitable high triplet energy (T1) and bipolar character to ...
Manish Kumar, Luiz Pereira
doaj   +1 more source

Nanofabrication by magnetic focusing of supersonic beams

, 2010
We present a new method for nanoscale atom lithography. We propose the use of a supersonic atomic beam, which provides an extremely high-brightness and cold source of fast atoms.
A. Bard, A. Imamoglu, A. Libson, A.A. Tseng, B. Smeets, B. Wu, D. Loss, D. Meschede, D.W. Keith, E. Narevicius, E. Rasel, G. Timp, H. Pauly, I.S. Averbukh, J.A. Schuller, J.J. McClelland, J.L. O’Brien, K.K. Berggren, K.S. Johnson, M. Baker, M. G. Raizen, M.D. Hoogerland, P. Engels, P.N. Melentiev, R. Gupta, R. J. Clark, R.R. Chaustowski, S.Y. Chou, T. Fernholz, T. R. Mazur, V. Natarajan, V.I. Balykin, V.M. Shalaev, W. Lu, W.G. Kaenders, W.G. Känders, W.H. Oskay, Y. Chen, Y.T. Xing   +38 more
core   +1 more source

Mechanical magnetometry of Cobalt nanospheres deposited by focused electron beam at the tip of ultra-soft cantilevers [PDF]

, 2014
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.
De Loubens, Grégoire, De Teresa, Jose Maria, Klein, Olivier, Laura, Casado, Lavenant, Hugo, Naletov, Vladimir V.   +5 more
core   +4 more sources

Increased Endurance of Nonvolatile Photonics Enabled by Nanostructured Phase‐Change Materials

Advanced Materials, EarlyView.
Tapered and segmented islands of the phase‐change material (PCM) antimony selenide (Sb2Se3) integrated on silicon microring resonators enable ultra‐low‐loss, high‐endurance, non‐volatile photonic tuning. The nanostructured PCM design suppresses interfacial scattering and thermal stress, achieving record endurance over 100 million electrical switching ...
Jayita Dutta, Andrew Tang, Brian Mills, Rui Chen, Arnab Manna, Gokul Nath SJ, Virat Tara, Dennis Callahan, Cosmin Constantin Popescu, Juejun Hu, Arka Majumdar   +10 more
wiley   +1 more source

Bulk Heterojunction Organic Solar Cell Area-Dependent Parameter Fluctuation

International Journal of Photoenergy, 2017
Organic solar cell efficiency is known to be active area dependent and is usually a problem in the upscale factor for market applications. In this work, a detailed study of organic photovoltaic devices with active layer based on poly(3-hexylthiophene ...
A. J. Trindade, L. Pereira
doaj   +1 more source

Nanopore Fabrication by Controlled Dielectric Breakdown

, 2013
Nanofabrication techniques for achieving dimensional control at the nanometer scale are generally equipment-intensive and time-consuming. The use of energetic beams of electrons or ions has placed the fabrication of nanopores in thin solid-state ...
Briggs, Kyle, Kwok, Harold, Tabard-Cossa, Vincent   +2 more
core   +3 more sources

Resonant Domain Wall Dynamics in a Three‐Dimensional Magnetic Nano Double Helix

Advanced Materials, EarlyView.
3D magnetic nanostructures promise exciting possibilities for magnetization dynamics. However, experimental realizations remain scarce. In nanoprinted cobalt double helices, time‐resolved X‐ray microscopy reveals harmonic domain wall dynamics. Simulations identify the mode and additional higher‐frequency resonances, revealing a rich dynamic landscape ...
Pamela Morales‐Fernández, Iason Konstantinos‐Douveas, Claas Abert, Elina Zhakina, Sandra Ruiz‐Gómez, Claudia Fernández‐González, Luke Alexander Turnbull, Sebastian Wintz, Markus König, Simone Finizio, Markus Weigand, Naëmi Leo, Dieter Suess, Aurelio Hierro‐Rodríguez, Amalio Fernández‐Pacheco, Claire Donnelly   +15 more
wiley   +1 more source

Simulation of a Highly Sensitive Piezoresistive Differential Pressure Microsensor

Iranian Journal of Electrical and Electronic Engineering, 2018
In this paper, a highly sensitive piezoresistive differential pressure microsensor is proposed. This microsensor is consisted of a silicon microcantilever (Length=145 µm; Width=100 µm; Thickness=0.29 µm) and two ...
M. Tahmasebipour, M. Modarres
doaj