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Related papers: Stable CoO$_2$ Nanoscrolls With Outstanding Electr…

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We report on the high-pressure synthesis of a CrS$_2$ phase in the form of single-crystalline nanorods. A structural refinement of Precession Electron Diffraction Tomography data confirms the nominal CrS$_2$ composition and unveils a…

Nitrogen oxides are textbook class of molecular compounds, with extensive industrial applications. Nitrogen and oxygen are also among the most abundant elements in the universe. We explore the N-O system at 0 K and up to 500 GPa though ab…

Materials Science · Physics 2015-06-30 Dongxu Li , Artem R. Oganov , Xiao Dong , Xiang-Feng Zhou , Qiang Zhu , Guangrui Qian , Huafeng Dong

We investigate instability and dynamical properties of nanoelectromechanical systems represented by a single-electron device containing movable quantum dot attached to a vibrating cantilever via asymmetric tunnel contact. The Kondo…

Mesoscale and Nanoscale Physics · Physics 2014-04-02 Taegeun Song , Mikhail N. Kiselev , Konstantin Kikoin , Robert I. Shekhter , Leonid Y. Gorelik

Solid-state nanofoaming experiments are conducted on two PMMA grades of markedly different molecular weight using CO$_2$ as the blowing agent. The sensitivity of porosity to foaming time and foaming temperature is measured. Also, the…

We report the presence of a correlation between the bulk and interfacial properties of electrostatic coacervate complexes. Complexes were obtained by co-assembly between cationic-neutral diblocks and oppositely charged surfactant micelles…

Soft Condensed Matter · Physics 2007-10-12 Ling Qi , Jean-Paul Chapel , Jean-Christophe Castaing , Jerome Fresnais , Jean-Francois Berret

The relative thermodynamic stability of surface reconstructions including vacancies, adatoms and additional layers on both CaO and MnO$_{2}$ terminations is calculated to predict the surface phase diagram of…

Materials Science · Physics 2015-04-22 Diomedes Saldana-Greco , Chan-Woo Lee , Doyle Yuan , Andrew M. Rappe

Designing and fabricating self-assembled open colloidal crystals have become one major direction in soft matter community because of many promising applications associated with open colloidal crystals. However, most of the self-assembled…

Soft Condensed Matter · Physics 2019-04-16 Krongtum Sankaewtong , Qun-li Lei , Ran Ni

We report three different synthesis routes while maintaining similar reaction conditions to choose an effective way to precisely control the growth of ultrafine one dimensional LiMn2O4 in the form of nanorods. We developed a novel method of…

Applied Physics · Physics 2018-09-03 Niraj Kumar , K. Guru Prasad , T. Maiyalagan , Arijit Sen

Cu2O nanorods have been deposited on soda-lime glass (SLG) substrates by the modified SILAR technique by varying the concentration of NaCl electrolyte into the precursor complex solution. The structural, electrical, and optical properties…

This work demonstrates the development of a strong and ductile medium entropy alloy by employing conventional alloying and thermomechanical processing to induce partial recrystallization (PR) and precipitation strengthening in the…

Materials Science · Physics 2021-09-29 Nithin Baler , Abdulla Samin M , Akshat Godha , Surendra Kumar Makineni

We report experiments on aluminum nanowires in ultra-high vacuum at room temperature that reveal a periodic spectrum of exceptionally stable structures. Two "magic" series of stable structures are observed: At low conductance, the formation…

Mesoscale and Nanoscale Physics · Physics 2007-06-11 A. I. Mares , D. F. Urban , J. Bürki , H. Grabert , C. A. Stafford , J. M. van Ruitenbeek

Piezoelectric quartz SiO2 crystals are widely used in industry as oscillators. As a natural mineral, quartz and its relevant silicates are also of interest of geoscience and mineralogy. However, the nucleation and growth of quartz crystals…

Materials Science · Physics 2021-09-03 Silang Zhou , Jordi Antoja-Lleonart , Pavan Nukala , Vaclav Ocelik , Nick R. Lutjes , Beatriz Noheda

Structures of calcium peroxide (CaO2) are investigated in the pressure range 0-200 GPa using the ab initio random structure searching (AIRSS) method and density functional theory (DFT) calculations. At 0 GPa, there are several CaO2…

Materials Science · Physics 2017-03-01 Joseph R. Nelson , Richard J. Needs , Chris J. Pickard

Electronic phase diagram of LixCoO2 has been re-examined using potentiostatically de-intercalated single crystal samples. Stable phases of x ~ 0.87, 0.72, 0.53, 0.50, 0.43, and 0.33 were found and isolated for physical property studies.…

Strongly Correlated Electrons · Physics 2015-06-03 T. Y. Ou-Yang , F. -T. Huang , G. J. Shu , W. L. Lee , M. -W. Chu , H. L. Liu , F. C. Chou

The recent discovery of two-dimensional (2D) magnetic materials has brought magnetism to the flatland. This has opened up exciting opportunities for the exploration of fundamental physics as well as for novel device applications. Here, we…

Mesoscale and Nanoscale Physics · Physics 2022-06-06 Anan Bari Sarkar , Barun Ghosh , Bahadur Singh , Somnath Bhowmick , Hsin Lin , Arun Bansil , Amit Agarwal

We report from first-principles-based atomistic simulations that ferroelectricity can be sustained in PbTiO3 nanoparticles of only a few lattice constants in size as a result of a toroidal ordering. We found that size-induced topological…

Materials Science · Physics 2015-05-27 M. G. Stachiotti , M. Sepliarsky

Superconducting single crystal samples of Na_xCoO_2 + yH_2O have been produced using an electrochemical technique which dispenses with the usual bromine chemical de-intercalation step and permits much more precise control of the Na content.…

Strongly Correlated Electrons · Physics 2009-11-10 F. C. Chou , J. H. Cho , Patrick A. Lee , E. T. Abel , K. Matan , Young S. Lee

We report on the first successful growth of single crystals of the noncentrosymmetric superconductor Mo$_3$Al$_2$C obtained by means of a cubic-anvil, high-pressure and high-temperature technique. Composition, structure, and normal-state…

Superconductivity · Physics 2018-06-27 N. D. Zhigadlo , D. Logvinovich , R. S. Gonnelli , V. A. Stepanov , D. Daghero

Oblique/normal sequential deposition technique is used to create Co based unique multilayer structure [Co-oblique(4.4nm)/Co-normal (4.2 nm)]x10, where each Co-oblique layer is deposited at an oblique angle of 75deg, to induce large in-plane…

The ground states of Na$_x$CoO$_2$ ($0.0<x<1.0$) is studied by the LDA+Gutzwiller approach, where charge transfer and orbital fluctuations are all self-consistently treated {\it ab-initio}. In contrast to previous studies, which are…

Strongly Correlated Electrons · Physics 2009-11-13 Guangtao Wang , Xi Dai , Zhong Fang