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Many printed electronic applications require strain-independent electrical properties to ensure deformation-independent performance. Thus, developing printed, flexible devices using 2D and other nanomaterials will require an understanding…

Mesoscale and Nanoscale Physics · Physics 2024-10-29 Eoin Caffrey , Tian Carey , Luke Doolan , Anthony Dawson , Emmet Coleman , Zdenek Sofer , Oran Cassidy , Cian Gabbett , Jonathan N. Coleman

In this paper we demonstrate atomic-scale lithography on hydrogen terminated Ge(001. The lithographic patterns were obtained by selectively desorbing hydrogen atoms from a H resist layer adsorbed on a clean, atomically flat Ge(001) surface…

Mesoscale and Nanoscale Physics · Physics 2009-12-07 G. Scappucci , G. Capellini , W. C. T. Lee , M. Y. Simmons

Acoustic-directed assembly is a modular and flexible bottom-up technique with the potential to pattern a wide range of materials. Standing acoustic waves have been previously employed for patterning preformed metal particles, however,…

The quest to create superconductors with higher transition temperatures is as old as superconductivity itself. One strategy, popular after the realization that (conventional) superconductivity is mediated by phonons, is to chemically…

Superconductivity · Physics 2017-08-11 Milan P. Allan , Mark H. Fischer , Oliver Ostojic , Arjo Andringa

The fabrication of functional metamaterials with extreme feature resolution finds a host of applications such as the broad area of surface/light interaction. Non-planar features of such structures can significantly enhance their performance…

Using a Scanning Tunneling Microscope (STM), we investigate the Local Density of States (LDOS) of artificially fabricated normal metal nano-structures in contact with a superconductor. Very low temperature local spectroscopic measurements…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 W. Escoffier , C. Chapelier , F. Lefloch

We demonstrate a new approach for forming hybrid metal/carbonaceous nanostructures in a controlled direct laser planting process. Au-Ag nanoclusters in amorphous or crystalline carbonaceous matrices are formed with different morphology:…

Metal nanoparticles are the most frequently used nanostructures in plasmonics. However, besides nanoparticles, metal nanowires feature several advantages for applications. Their elongation offers a larger interaction volume, their…

Two-dimensional (2D) materials are among the most promising candidates for next-generation electronics due to their atomic thinness, allowing for flexible transparent electronics and ultimate length scaling. Thus far, atomically-thin p-n…

AgF2 is a layered material and a correlated charge transfer insulator with an electronic structure very similar to the parent compounds of cuprate high-Tc superconductors. It is also interesting for being a powerful oxidizer. Here we…

Materials Science · Physics 2020-10-28 Wojciech Wegner , Kamil Tokár , Jose Lorenzana , Mariana Derzsi , Wojciech Grochala

We report here a quantitative method of Transmission Electron Microscopy (TEM) to measure the shapes, sizes and volumes of nanoparticles which are responsible for their properties. Gold nanoparticles (Au NPs) acting as nucleating agents for…

Using density functional theory, the electronic structures of single walled molybdenum disulfide nanotubes (MoS$_2$ NTs) were investigated as a function of diameter. Our calculations show that the electronic structure near the band gap is…

Materials Science · Physics 2021-05-12 Kaoru Hisama , Mina Maruyama , Shohei Chiashi , Shigeo Maruyama , Susumu Okada

Two-dimensional electron systems found at the interface of SrTiO3-based oxide heterostructures often display anisotropic electric transport whose origin is currently under debate. To characterize transport along specific crystallographic…

Strongly Correlated Electrons · Physics 2016-10-10 D. Fuchs , K. Wolff , R. Schäfer , R. Thelen , M. Le Tacon , R. Schneider

Mechanical strain is a powerful tool to tune the optical and optoelectronic properties of atomically thin semiconductors. Inhomogeneous strain plays an important role in exciton funneling and the activation of single-photon emitters in 2D…

Assembled metal/insulator nanoparticles with a core/shell geometry provide access to materials containing a large number (>106) of tunneling barriers. We demonstrate the production of ceramic coated metal nanoparticles exhibiting an…

Mesoscale and Nanoscale Physics · Physics 2010-01-22 E. K. Athanassiou , F. Krumeich , R. N. Grass , W. J. Stark

In this paper we present an improved process for producing elastomer transistor stamps and high-mobility organic field-effect transistors (FETs) based on semiconducting acene molecular crystals. In particular, we have removed the need to…

Soft Condensed Matter · Physics 2009-11-13 A. P. Micolich , L. L. Bell , A. R. Hamilton

Transfer and integration of nanostructures onto target substrates is the prerequisite for their fundamental studies and practical applications. Conventional transfer techniques that involve stamping, lift-off and/or striping suffer from the…

Materials Science · Physics 2014-06-24 Hai Li , Jumiati Wu , Xiao Huang , Zongyou Yin , Juqing Liu , Hua Zhang

Patterned substrates for optics, electronics, sensing, lab-on-chip technologies, bioanalytics, clinical diagnostics as well as translational and personalized medicine are typically prepared by additive substrate manufacturing including…

Nowadays, microelectronics and nanoelectronics require the search for new materials, including masks for creating structures. Today, the intermediate hard mask strategy is one of the key issues in achieving a good balance between…

The shape of metallic constrictions of nanoscopic dimensions (necks) formed using a scanning tunneling microscope (STM) is shown to depend on the fabrication procedure. Submitting the neck to repeated plastic deformation cycles makes…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 C. Untiedt , G. Rubio , S. Vieira , N. Agrait