English
Related papers

Related papers: C58 on Au(111): a scanning tunneling microscopy st…

200 papers

In this present work, we report a structural and magnetic study of mixed Co58Pt42 clusters. MgO, Nb and Si matrix can be used to embed clusters, avoiding any magnetic interactions between particles. Transmission Electron Microscopy (TEM)…

Two different superstructures form when atomic H is incorporated in the Fe monolayer on Ir(111). Depending on the amount of H provided, either a highly ordered p(2x2) hexagonal superstructure or an irregular roughly square structure is…

Mesoscale and Nanoscale Physics · Physics 2019-03-06 Aurore Finco , Pin-Jui Hsu , Kirsten von Bergmann , Roland Wiesendanger

The morphology and electronic structure of pentacene (Pn) deposited on Cu(111) was studied using scanning tunneling microscopy (STM) and spectroscopy (STS). Deposition of a multilayer followed by annealing to reduce coverage to a monolayer…

Mesoscale and Nanoscale Physics · Physics 2011-10-24 Joseph Smerdon , Matthias Bode , Nathan Guisinger , Jeffrey Guest

We present the results of a mid-infrared (7 micron) imaging survey of a sample of 24 starless dense cores carried out at an angular resolution of 6 arcsec with the ISOCAM camera aboard the Infrared Space Observatory (ISO). The targeted…

As an alternative to the time-consuming solder pre-forms and pastes currently used, a co-electroplating method of eutectic Au-Sn alloy was used in this study. Using a co-electroplating process, it was possible to plate the Au-Sn solder…

Other Computer Science · Computer Science 2007-11-29 Jeong-Won Yoon , H. -S. Chun , Ja-Myeong Koo , Seung-Boo Jung

A systematic study of the structural, electronic, and optical properties of cage-like boron clusters, with the number of constituent atoms ranging from 20 to 122, has been carried out within the framework of density-functional theory (DFT),…

Materials Science · Physics 2025-12-24 Kashinath T. Chavan , Ihsan Boustani , Alok Shukla

We report spin-polarized tunneling density of states measurements of the proximity modulated superconductor-insulator transition in ultra thin Be-Al bilayers. The bilayer samples consisted of a Be film of varying thickness,…

Superconductivity · Physics 2021-05-26 F. N. Womack , P. W. Adams , G. Catelani

Composite light-trapping structures offer a promising approach to achieving broadband absorption and high efficiency in thin-film solar cells (TFSCs) in order to accelerate sustainable energy solutions. As the leading material in thin-film…

In the framework of the Herschel/PRISMAS Guaranteed Time Key Program, the line of sight to the distant ultracompact HII region W51e2 has been observed using several selected molecular species. Most of the detected absorption features are…

Astrophysics of Galaxies · Physics 2014-07-02 B. Mookerjea , C. Vastel , G. E. Hassel , M. Gerin , J. Pety , P. F. Goldsmith , J. H. Black , T. Giesen , T. Harrison , C. M. Persson , J. Stutzki

Metal clusters are partway between molecular and bulk systems and thus exhibit special physical and chemical properties. Atoms can rearrange within a cluster to form different structural isomers. Internal degrees of freedom and the…

Materials Science · Physics 2019-07-31 Barbara A. J. Lechner , Fabian Knoller , Alexander Bourgund , Ueli Heiz , Friedrich Esch

Acquiring a portable high density charged particles trap might consist of an array of micro-Penning-Malmberg traps (microtraps) with substantially lower end barriers potential than conventional Penning-Malmberg traps [1]. We report on the…

Instrumentation and Detectors · Physics 2013-07-10 Alireza Narimannezhad , Joshah Jennings , Marc H. Weber , Kelvin G. Lynn

We present the observation and analysis of newly discovered coherent structures in the L1688 region of Ophiuchus and the B18 region of Taurus. Using data from the Green Bank Ammonia Survey (GAS), we identify regions of high density and…

In the present work, we investigate the formation of nano tracks by cluster and mono-atomic ion beams in the fullerene (C60) thin films by High Resolution Transmission Electron Microscopy (HRTEM). The fullerene films on carbon coated grids…

Materials Science · Physics 2014-04-28 P. Kumar , D. K. Avasthi , J. Ghatak , P. V. Satyam , R. Prakash , A. Kumar

Subsurface Charge Accumulation imaging is a cryogenic scanning probe technique that has recently been used to spatially probe incompressible strips formed in a two-dimensional electron system (2DES) at high magnetic fields. In this paper,…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 S. H. Tessmer , G. Finkelstein , P. I. Glicofridis , R. C. Ashoori

Majorana zero modes, with prospective applications in topological quantum computing, are expected to arise in superconductor/semiconductor interfaces, such as $\beta$-Sn and InSb. However, proximity to the superconductor may also adversely…

We have combined scanning tunneling microscopy with inelastic electron tunneling spectroscopy (IETS) and density functional theory (DFT) to study a tetracyanoethylene monolayer on Ag(100). Images show that the molecules arrange in locally…

Materials Science · Physics 2013-07-01 Daniel Wegner , Ryan Yamachika , Xiaowei Zhang , Yayu Wang , Michael F. Crommie , Nicolás Lorente

We investigate single Ge and Ag impurities buried below a Cu(100) surface using low temperature scanning tunneling microscopy. The interference patterns in the local density of states are surface scattering signatures of the bulk…

Mesoscale and Nanoscale Physics · Physics 2021-11-30 Thomas Kotzott , Mohammed Bouhassoune , Henning Prüser , Alexander Weismann , Samir Lounis , Martin Wenderoth

At wavelengths longer than 21 cm, photons from the long-wavelength tail of the cosmic microwave background (CMB) have a non-zero probability of being absorbed by distant neutral hydrogen. This provides an additional suppression of the…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-25 Gilbert Holder , Adrian Liu , Tzu-Ching Chang , David Zegeye

We develop an analytical model to describe sub-bandgap optical absorption in two-dimensional semiconducting transition metal dichalcogenide (s-TMD) nanoflakes. The material system represents an array of few-layer molybdenum disulfide…

Mesoscale and Nanoscale Physics · Physics 2016-10-11 Maxim Trushin , Edmund J. R. Kelleher , Tawfique Hasan

The hole doped Si(111)(2root3x2root3)R30(degrees)-Sn interface exhibits a symmetry-breaking insulator-insulator transition below 100 K that appears to be triggered by electron tunneling into the empty surface-state bands. No such transition…

‹ Prev 1 8 9 10 Next ›