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Oriented external electric fields are ubiquitous in chemistry; however, the effects of fields applied in different directions on molecular systems remain underexplored. A major challenge is that an applied field exerts a torque on a…

Chemical Physics · Physics 2026-05-12 Duc Anh Lai , Devin A. Matthews

The controlled growth of organic layer on surface is still awaiting for an on-line reliable monitoring that would allow improvement of its quality. We show here that the self-assembly of the perylene monolayer deposited on Ag(110) at room…

Atomic Physics · Physics 2016-02-17 Nataliya Kalashnyk , Philippe Roncin

The interplay of electronic nematic modulations, magnetic order, superconductivity and structural distortions in strongly correlated electron materials calls for methods which allow characterizing them simultaneously - to allow establishing…

Strongly Correlated Electrons · Physics 2015-04-29 Udai Raj Singh , Ramakrishna Aluru , Yong Liu , Chengtian Lin , Peter Wahl

The electromagnetic radiation of a rotating relativistic electron layers is studied numerically using particle-in-cell simulation. The results of the simulation confirm all relevant scaling properties predicted by theoretical models. These…

Astrophysics · Physics 2007-05-23 Bjoern S. Schmekel

The latest discovery of ferromagnetism in atomically thin films of semiconductors Cr$_2$Ge$_2$Te$_6$ and CrI$_3$ has unleashed numerous opportunities for fundamental physics of magnetism in two-dimensional (2D) limit and also for…

Mesoscale and Nanoscale Physics · Physics 2019-05-09 Vijay Kumar Gudelli , Guang-Yu Guo

Electron paramagnetic resonance (EPR) performed with a scanning tunneling microscope (STM) allows for probing the spin excitation of single atomic species with MHz energy resolution. One of the basic applications of conventional EPR is the…

Mesoscale and Nanoscale Physics · Physics 2021-11-10 Tom S. Seifert , Stepan Kovarik , Pietro Gambardella , Sebastian Stepanow

Reliable operation of perpendicular spin-transfer-torque magnetic random-access memory (p-STT-MRAM) requires control of magnetic alignment within the synthetic antiferromagnet (SAF) reference layer. At nanopillar dimensions, however,…

Mesoscale and Nanoscale Physics · Physics 2026-05-12 Afan Terko , George Lertzman-Lepofsky , Dieter Suess , Claas Abert , Erol Girt

We present a theoretical analysis aimed at understanding electrical conduction in molecular tunnel junctions. We focus on discussing the validity of coherent versus incoherent theoretical formulations for single-level tunneling to explain…

Mesoscale and Nanoscale Physics · Physics 2016-06-06 Alvar R. Garrigues , Li Yuan , Lejia Wang , Eduardo R. Mucciolo , Damien Thompson , Enrique del Barco , Christian A. Nijhuis

Similar to atoms and nuclei, semiconductor quantum dots exhibit formation of shells. Predictions of magnetic behavior of the dots are often based on the shell occupancies. Thus, closed-shell quantum dots are assumed to be inherently…

Mesoscale and Nanoscale Physics · Physics 2011-06-14 R. Oszwałdowski , I. Žutić , A. G. Petukhov

Electromagnetic (EM) composites have stimulated tremendous fundamental and practical interests owing to their flexible electromagnetic properties and extensive potential engineering applications. Hence, it is necessary to systematically…

Optics · Physics 2022-09-21 Faxiang Qin , Mengyue Peng , Diana Estevez , Christian Brosseau

I review single-molecule experiments (SME) in biological physics. Recent technological developments have provided the tools to design and build scientific instruments of high enough sensitivity and precision to manipulate and visualize…

Soft Condensed Matter · Physics 2016-08-31 F. Ritort

A new method for synthesizing Single-Bit Reconfigurable Passive Electromagnetic Skins (1RP-EMSs) featuring advanced beam shaping capabilities is proposed. By using single-bit unit cells, the multi-scale problem of controlling 1RP-EMSs is…

Signal Processing · Electrical Eng. & Systems 2022-11-23 G. Oliveri , P. Rocca , M. Salucci , D. Erricolo , A. Massa

Single-molecule transistors provide a unique experimental tool to investigate the coupling between charge transport and the molecular degrees of freedom in individual molecules. One interesting class of molecules for such experiments are…

Thiol-based self-assembled monolayers (SAMs) on gold surfaces are one of the fundamental building blocks of molecular electronics. The strong chemical affinity of the gold and sulfur (Au-S) enables the formation of close-packed SAMs, but it…

Single molecular magnets (SMMs) and Metal-Organic Frameworks (MOFs) attract significant interest due to their potential in quantum information processing, scalable quantum computing, and extended lifetimes and coherence times. The limiting…

Quantum Physics · Physics 2024-07-12 Nosheen Younas , Yu Zhang , Andrei Piryatinski , Eric R Bittner

We employ the density functional Kohn-Sham method in the local spin-density approximation to study the electronic structure and magnetism of quasi one-dimensional periodic arrays of few-electron quantum dots. At small values of the lattice…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 K. Karkkainen , M. Koskinen , S. M. Reimann , M. Manninen

We analyze the properties of a nonlinear metamaterial formed by integrating nonlinear components or materials into the capacitive regions of metamaterial elements. A straightforward homogenization procedure leads to general expressions for…

Optics · Physics 2015-05-18 Ekaterina Poutrina , Da Huang , David R. Smith

Single atoms can be considered as basic objects for electron microscopy to test the microscope performance and basic concepts for modeling of image contrast. In this work high-resolution transmission electron microscopy was applied to image…

Materials Science · Physics 2011-09-21 B. Gamm , R. Popescu , H. Blank , R. Schneider , A. Beyer , A. Gölzhäuser , D. Gerthsen

In the last years there has been a great interest in magnetic systems formed by a cluster of transition metal ions covalently bonded via superexchange bridges, embedded in a large organic molecule. Following the synthesis and the structural…

Materials Science · Physics 2007-05-23 F. Borsa , A. Lascialfari , Y. Furukawa

Low-energy electron microscopy (LEEM) is a surface science method that works primarily in the UHV environment. It provides information complementary to the other established techniques: it extends the limited view of scanning probe…

Mesoscale and Nanoscale Physics · Physics 2025-07-16 Jan Čechal , Pavel Procházka