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Related papers: Anisotropic Core-Shell Swift Heavy Ion Tracks in b…

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High-dose irradiation of nanostructures consisting of multiple graphene shells, such as spherical 'carbon onions' (CO) or cylindrical multi-walled carbon nanotubes (MWNT), induces shell shrinkage by bond reconstruction around…

Mesoscale and Nanoscale Physics · Physics 2010-11-24 Michael Zaiser , Stefan Chartier

Iridate oxides display exotic physical properties that arise from the interplay between a large spin-orbit coupling and electron correlations. Here, we present a comprehensive study of the effects of hydrostatic pressure on the electronic…

Strongly Correlated Electrons · Physics 2020-04-21 A. G. Zaitsev , A. Beck , A. K. Jaiswal , R. Singh , R. Schneider , M. Le Tacon , D. Fuchs

We describe the formation of swift heavy ion tracks in polyethylene (PE) by combining the Monte Carlo code TREKIS, which models electronic excitation in nanometric proximity of the ion trajectory, with the molecular dynamics simulating a…

Materials Science · Physics 2024-06-12 P. Babaev , F. Akhmetov , S. Gorbunov , N. Medvedev , R. Rymzhanov , R. Voronkov , A. E. Volkov

Strained coherent heteroepitaxy of III-V semiconductor films such as In$_x$Ga$_{1-x}$As/GaAs has potential for electronic and optoelectronic applications such as high density logic, quantum computing architectures, laser diodes, and other…

Materials Science · Physics 2009-11-13 Lawrence H. Friedman

Fast-cooling after sintering or annealing of BiFeO3-BaTiO3 mixed oxide ceramics yields core-shell structures that give excellent functional properties, but their precise phase assemblage and nanostructure remains an open question. By…

Understanding the mechanical interplay between silicon anodes and their surrounding solid-electrolyte interphase (SEI) is essential to improve the next generation of lithium-ion batteries. We model and simulate a 2D elliptical silicon…

Applied Physics · Physics 2024-09-13 Raphael Schoof , Lukas Köbbing , Arnulf Latz , Birger Horstmann , Willy Dörfler

The ultrawide-bandgap semiconductor $\beta$-Ga2O3 holds exceptional promise for next-generation power electronics and deep-ultraviolet optoelectronics, yet its widespread application is hindered by the lack of cost-effective, high-quality…

The even-even Ti isotopic chain, from A = 42 to 70, has been studied within the nuclear shell-model framework by employing an effective Hamiltonian which is derived by way of many-body perturbation theory from a chiral potential with two-…

Nuclear Theory · Physics 2021-11-10 L. Coraggio , G. De Gregorio , A. Gargano , N. Itaco , T. Fukui , Y. Z. Ma , F. R. Xu

We study theoretically the low-energy hole states in Si, Ge, and Ge/Si core/shell nanowires (NWs). The NW core in our model has a rectangular cross section, the results for a square cross section are presented in detail. In the case of Ge…

Mesoscale and Nanoscale Physics · Physics 2018-06-20 Christoph Kloeffel , Marko J. Rančić , Daniel Loss

In-plane anisotropy of electrical resistivity was studied in samples of the hole-doped Ba$_{1-x}$K$_x$Fe$_2$As$_2$ in the composition range $0.21 \leq x \leq 0.26$ where anisotropy changes sign. Low-temperature ($\sim$20~K) irradiation with…

In this work, Na isotopes with mass varying from $A=$ 20 to 31 have been studied using DJ16A, JISP16 and N3LO microscopic effective interactions in the $sd$-shell. These effective interactions are derived for $sd$-shell using no-core shell…

Nuclear Theory · Physics 2023-02-13 Subhrajit Sahoo , Praveen C. Srivastava , Toshio Suzuki

Strain engineering in semiconductor nanostructures offers a promising route to optimize electronic and optical properties for advanced quantum technologies. This study explores the relationship between core and shell thicknesses and strain…

We present an interpretation of anisotropy and intensity of supra-thermal ions near a fast quasi-perpendicular reverse shock measured by Solar Terrestrial Relations Observatory Ahead (ST-A) on 2008 March 9th. The measured intensity profiles…

High Energy Astrophysical Phenomena · Physics 2020-10-07 Federico Fraschetti , Joe Giacalone

Impact ionization coefficients of anisotropic monoclinic $\beta $-Ga$_{2}$O$_{3}$ are estimated along four crystallographic directions and the plot for the $\left[ 010 \right]$ direction is shown. The approximation models were fitted to…

Materials Science · Physics 2018-06-07 Giftsondass Irudayadass , Junxia Shi

Three types of BaTiO3 core - amorphous nano-shell composite ceramics were processed from the same core-shell powder by standard sintering, spark-plasma sintering and two-step sintering techniques and characterized by XRD, HRSEM and…

Materials Science · Physics 2011-11-17 D. Nuzhnyy , J. Petzelt , V. Bovtun , M. Kempa , M. Savinov , C. Elissalde , U-C. Chung , D. Michau , M. Maglione , C. Estournes

We present the results of numerical experiments, in which we study how the asphericities induced by the growth of the standing accretion shock instability (SASI) produce the gravitational waveforms in the postbounce phase of core-collapse…

Astrophysics · Physics 2016-08-30 Kei Kotake , Naofumi Ohnishi , Shoichi Yamada

One-dimensional Ni/Ni3C core-shell nanoball chains with an average diameter by around 30 nm were synthesized by means of a mild chemical solution method using a soft template of trioctylphosphineoxide (TOPO). It was revealed that the…

Materials Science · Physics 2015-05-13 Wei Zhou , Lin He , Rongming Wang , Kun Zheng , Lin Guo , Chinping Chen , Xiaodong Han , Ze Zhang

We analyze the properties of the shallow decay segment with a sample of 53 long Swift GRBs. We show that the distributions of its characteristics are log-normal or normal, and its isotropic X-ray energy (E_{iso,X}) is linearly correlated…

Astrophysics · Physics 2009-11-13 En-Wei Liang , Bin-Bin Zhang , Bing Zhang

The magnetic phase diagram and low-energy magnon excitations of structurally and magnetically chiral MnSb2O6 are reported. The specific heat and the static magnetization are investigated in magnetic fields up to 9 and 30 T, respectively,…

Strongly Correlated Electrons · Physics 2016-09-21 J. Werner , C. Koo , R. Klingeler , A. N. Vasiliev , Y. A. Ovchenkov , A. S. Polovkova , G. V. Raganyan , E. A. Zvereva

The detailed mechanism of bonding in the cold spray process has remained elusive for both experimental and theoretical parties. Adiabatic shear instability and hydrodynamic plasticity models have been so far the most popular explanations.…