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Realizing laterally continuous ultra-thin gold films on transparent substrates is a challenge of significant technological importance. In the present work, formation of ultra-thin gold films on fused silica is studied, demonstrating how…

Ab initio molecular dynamics simulations are used to investigate the structure and electronic properties of the liquid Ag-Se system at three compositions. The realism of the simulations is demonstrated by comparison with diffraction data…

mtrl-th · Physics 2009-10-28 F. Kirchhoff , J. M. Holender , M. J. Gillan

The extraordinary electronic and optical properties of the crystal-to-amorphous transition in phase-change materials led to important developments in memory applications. A promising outlook is offered by nanoscaling such phase-change…

Employing grazing-incidence small-angle X-ray scattering (GISAXS) and X-ray reflectivity (XRR), we demonstrate that films composed of polyethylene glycol (PEG)-grafted silver nanoparticles (AgNP) and gold nanoparticles (AuNP), as well as…

The diffusive motion of metal nanoparticles Au and Ag on monolayer and between bilayer heterostructures of transition metal dichalcogenides and graphene are investigated in the framework of density functional theory. We found that the…

Mesoscale and Nanoscale Physics · Physics 2015-06-01 F. Iyikanat , H. Sahin , R. T. Senger , F. M. Peeters

The effects of ion beam induced atomic mixing and subsequent thermal treatment in Si/C multilayer structures are investigated by use of the technique of grazing incidence X-ray diffraction (GIXRD) and Raman spectroscopy. The [Si (3.0 nm) /…

Materials Science · Physics 2007-05-23 Ram Prakash , S. Amirthapandian , D. M. Phase , S. K. Deshpande , R. Kesavamoorthy , K. G. M. Nair

The nonlinear transport properties of nanometer-scale junctions formed between an inert metallic tip and an Ag film covered by a thin Ag$_{2}$S layer are investigated. Suitably prepared samples exhibit memristive behavior with…

Mesoscale and Nanoscale Physics · Physics 2014-02-14 A. Geresdi , M. Csontos , A. Gubicza , A. Halbritter , G. Mihály

Although two-dimensional transition metal carbides and nitrides (MXenes) have fantastic physical and chemical properties as well as wide applications, it remains challenging to produce stable MXenes due to their rapid structural…

Materials Science · Physics 2023-02-16 Zongju Cheng , Zhiguo Du , Hao Chen , Qi Zhao , Yu Shi , Haiyang Wang , Yuxuan Ye , Shubin Yang

The microstructure, electronic structure, and chemical bonding of chromium carbide thin films with different carbon contents have been investigated with high-resolution transmission electron microscopy, electron energy loss spectroscopy and…

Mesoscale and Nanoscale Physics · Physics 2012-05-04 Martin Magnuson , Matilda Andersson , Jun Lu , Lars Hultman , Ulf Jansson

An environmentally stable mesoscopic thin film of Au of certain thickness has been deposited thermally on top of a Ag+ implanted oxide substrate to develop a close to room temperature superconductor. This thin film has been deposited in two…

Materials Science · Physics 2023-02-28 Sobhan Hazra , Sandip Chatterjee , Bhola Nath Pal

We report scanning tunneling microscopy observations of Ge deposited on the Si(111)-7x7 surface for a sequence of sub-monolayer coverages. We demonstrate that Ge atoms replace so-called Si adatoms. Initially, the replacements are random,…

Materials Science · Physics 2007-05-23 Y. L. Wang , H. -J. Gao , H. M. Guo , Sanwu Wang , Sokrates T. Pantelides

The formation of interface dipoles in self-assembled monolayers (SAMs) of --CH$_3$ and --CF$_3$ terminated short-chain alkanethiolates on Ag(111) is studied by means of density functional theory calculations. The interface dipoles are…

Materials Science · Physics 2011-11-09 Paul C. Rusu , Gianluca Giovannetti , Geert Brocks

Self assembly on suitably chosen substrates is a well exploited root to control the structure and morphology, hence magnetization, of metal films. In particular, the Cu3Au(001) surface has been recently singled out as a good template to…

Materials Science · Physics 2009-11-07 A. Verdini , L. Floreano , F. Bruno , D. Cvetko , A. Morgante , F. Bisio , S. Terreni , M. Canepa

The tiny Ag diffusion to MgCNi3 has been prepared by solid states reaction. Its structure was characterized by X-ray diffractometer (XRD). The results show that a small mount of Ag substitute for Ni sites, and much of Ag are in vacancy…

Superconductivity · Physics 2007-05-23 Fa-Min Liu , J. Q. Li , C. Dong , T. M. Wang , Y. Q. Zhou , H. Chen

We studied metallic Ag formation inside and on the surface of Ag2S thin films, induced by the electric field created with a STM tip. Two clear regimes were observed: cluster formation on the surface at low bias voltages, and full…

Materials Science · Physics 2015-05-30 M. Morales-Masis , S. J. van der Molen , T. Hasegawa , J. M. van Ruitenbeek

Silicene, analogous to graphene, is a one-atom-thick two-dimensional crystal of silicon which is expected to share many of the remarkable properties of graphene. The buckled honeycomb structure of silicene, along with its enhanced…

Nanocomposites made of polymer films embedding silver nanoparticles were prepared by thermal annealing of poly-(vinyl) alcohol films containing AgNO3. Low (2.5% w:w) and high (25% w:w) doping concentration of silver nitrate were considered…

Materials Science · Physics 2015-06-05 Corentin Guyot , Michel Voué

Poly (3-hexylthiophene) (P3HT) was thermally evaporated and deposited in vacuum. Infrared spectroscopy was used to confirm that the thin films were indeed P3HT, and showed that in-situ thermal evaporation provides a viable route for…

Materials Science · Physics 2011-06-22 Haoyan Wei , L. Scudiero , Hergen Eilers

Liquid metal (LM)-based composites hold promise for soft electronics due to their high conductivity and fluidic nature. However, the presence of {\alpha}_Ga2O3 and GaOOH layers around LM droplets impairs conductivity and performance. We…

Systems and Control · Electrical Eng. & Systems 2025-01-30 Abdollah Hajalilou , Elahe Parvini , Tiago A. Morgado , Pedro Alhais Lopes , M. Estrela Melo Jorge , Marta Freitas , Mahmoud Tavakoli

A systematic experimental and theoretical study about substrate induced molecular conformation in rubrene thin films by varying film thickness from sub-monolayer to multilayer, which currently attracts substantial attention with regard to…

Mesoscale and Nanoscale Physics · Physics 2016-11-28 Sumona Sinha , Chia-Hsin Wang , Manbendra Mukherjee , Tapas Mukherjee
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