English
Related papers

Related papers: Hermetic chip-scale packaging using Au:Sn eutectic…

200 papers

We demonstrate stimulated emission depletion (STED) microscopy with 20 nm gold nanospheres coated by fluorescent silica. Compared with previous demonstrations of STED with a hybrid plasmonic fluorescent label, the current implementation…

Optically linked solid-state quantum memories such as color centers in diamond are a promising platform for distributed quantum information processing and networking. Photonic integrated circuits (PICs) have emerged as a crucial enabling…

We report results on the temperature dependence of the susceptibilities of a set of MBE-grown short-period EuTe/PbTe antiferromagnetic superlattices having different EuTe layer thicknesses. In-plane and orthogonal susceptibilities have been…

Condensed Matter · Physics 2009-10-30 Lorenzo Bergomi , James J. Chen

Atomically thin boron nitride (BN) nanosheets have been found an excellent substrate for noble metal particles enabled surface enhanced Raman spectroscopy (SERS), thanks to their good adsorption of aromatic molecules, high thermal stability…

Materials Science · Physics 2015-03-13 Qiran Cai , Lu Hua Li , Yuanlie Yu , Yun Liu , Shaoming Huang , Ying Chen , Kenji Watanabe , Takashi Taniguchi

Heavy fermion materials have recently attracted attention for their potential to combine topological protection with strongly correlated electron physics. To date, the ideas of topological protection have been restricted to the heavy…

Strongly Correlated Electrons · Physics 2017-08-03 Po-Yao Chang , Onur Erten , Piers Coleman

Alternating layers of granular Iron (Fe) and Titanium dioxide (TiO$_{2-\delta}$) were deposited on (100) Lanthanum aluminate (LaAlO$_3$) substrates in low oxygen chamber pressure using a controlled pulsed laser ablation deposition…

Materials Science · Physics 2007-05-23 Soack Dae Yoon , Carmine Vittoria , Vincent G. Harris , Allan Widom

We report on the development of some process capabilities for a polymer-based, multi-layer microelectrofluidic platform, namely: the hot embossing process, metallization on polymer and polymer bonding. Hot embossing experiments were…

Other Computer Science · Computer Science 2007-11-29 S. -H. Ng , Z. -F. Wang , R. -T. Tjeung , N. De Rooij

We have investigated the temperature-dependent morphology and composition changes occurring during a controlled self-assembling of thin Au film on the Gallium arsenide (001) surface utilizing electron microscopy at nano and atomic levels.…

Mesoscale and Nanoscale Physics · Physics 2019-06-28 Arkadiusz Janas , Benedykt R. Jany , Konrad Szajna , Alexandr Kryshtal , Grzegorz Cempura , Adam Kruk , Franciszek Krok

Radiotherapy is often the most straightforward first line cancer treatment for solid tumors. While it is highly effective against tumors, there is also collateral damage to healthy proximal tissues especially with high doses. The use of…

Many applications require charge neutralisation of isolated test bodies and this has been successfully done using photoelectric emission from surfaces which are electrically benign(gold) or superconducting (niobium). Gold surfaces nominally…

Instrumentation and Detectors · Physics 2019-07-08 Peter J Wass , Daniel Hollington , Timothy J Sumner , Fangchao Yang , Markus Pfeil

We report the studies of ultrafast electron nanocrystallography on size-selected Au nanoparticles (2-20 nm) supported on a molecular interface. Reversible surface melting, melting, and recrystallization were investigated with dynamical…

Materials Science · Physics 2015-05-13 Chong-Yu Ruan , Yoshie Murooka , Ramani K. Raman , Ryan A. Murdick

For the first time we have investigated the behavior of fully micro-fabricated low temperature metallic magnetic calorimeters (MMCs) after undergoing an ion-implantation process. This experiment had the aim to show the possibility to…

Instrumentation and Detectors · Physics 2015-06-05 L. Gastaldo , P. Ranitzsch , F. von Seggern , J. -P. Porst , S. Schäfer , C. Pies , S. Kempf , T. Wolf , A. Fleischmann , C. Enss , A. Herlert , K. Johnston

For a successful point-contact spectroscopy (PCS) measurement, metallic tips of proper shape and smoothness are essential to ensure the ballistic nature of a point-contact junction. Until recently, the fabrication of Au tips suitable for…

Instrumentation and Detectors · Physics 2015-05-04 S. Narasiwodeyar , M. Dwyer , M. Liu , W. K. Park , L. H. Greene

Gapless surface states on topological insulators are protected from elastic scattering on non-magnetic impurities which makes them promising candidates for low-power electronic applications. However, for wide-spread applications, these…

Strongly Correlated Electrons · Physics 2013-01-09 Z. -H. Pan , A. V. Fedorov , D. Gardner , Y. S. Lee , S. Chu , T. Valla

CMOS-compatible short- and mid-wave infrared emitters are highly coveted for the monolithic integration of silicon-based photonic and electronic integrated circuits to serve a myriad of applications in sensing and communications. In this…

Optical detection of individual nanometer-sized analytes, virus particles, and protein molecules holds great promise for understanding and control of biological samples and healthcare applications. As fluorescent labels impose restrictions…

Optics · Physics 2020-10-19 Martin Dieter Baaske , Peter Sebastian Neu , Michel Orrit

Eutectic related reaction is a special chemical/physical reaction involving multiple phases, solid and liquid. Visualization of phase reaction of composite nanomaterials with high spatial and temporal resolution provides a key understanding…

Materials Science · Physics 2022-06-01 Bin Chen , Xuewen Fu , Jau Tang , Mykhaylo Lysevych , Hark Hoe Tan , Chennupati Jagadish , Ahmed H. Zewail

We investigate theoretically and numerically the coupling between elastic and localized surface plasmon modes in a system of gold nanocylinders separated from a thin gold film by a dielectric spacer of few nanometers thickness. That system…

Electrical resistivity in good metals, particularly noble metals such as gold (Au), silver (Ag), or copper, increases linearly with temperature ($T$) for $T > \Theta_{\mathrm{D}}$, where $\Theta_{\mathrm{D}}$ is the Debye temperature. This…

We present results on the development of nanocomposite NiO:Au thin-film hydrogen sensors, which are able to detect hydrogen concentrations as low as 2 ppm in air, operating at low temperatures in the range 125-150C. Thin NiO films were…