Results 41 to 50 of about 28,502 (264)

A route for a strong increase of critical current in nanostrained iron-based superconductors

open access: yesNature Communications, 2016
Simultaneous increase of critical temperature and critical current in superconductors is desirable for application purpose, but very difficult to realize. Here, Ozaki et al. report a simultaneous enhancement of Tc and Jc in FeSe0.5Te0.5films with cascade
Toshinori Ozaki   +7 more
doaj   +1 more source

Chiral Phase Change Nanomaterials

open access: yesAdvanced Functional Materials, EarlyView.
This work demonstrates reversible, non‐volatile phase transitions in chiral Ge2${\rm Ge}_2$Sb2${\rm Sb}_2$Te5${\rm Te}_5$ (GST) nanohelices for high‐speed optical modulation of chirality and dynamic control of the state of polarization (SOP). The chiral nanostructures are fabricated using a highly directional, wafer‐scale physical vapor deposition ...
Joshua A. Burrow   +11 more
wiley   +1 more source

Viruses and the physics of soft condensed matter [PDF]

open access: yesProceedings of the National Academy of Sciences, 2004
Almost 50 years ago, Francis Crick and James Watson observed that “almost all small viruses are either spheres or rods” and put forth the hypothesis that such viruses were symmetrical arrays of subunits (1). In the following paper in that issue of Nature , Donald Caspar demonstrated that tomato bushy stunt virus had at least cubic symmetry and provided
openaire   +2 more sources

Embedded Ferroelectric Nanoclusters Can Drive Polarization Reversal in a Non‐Ferroelectric Polar Film via the Proximity Effect

open access: yesAdvanced Functional Materials, EarlyView.
Ferroelectric nanoclusters create local internal fields in a normally non‐switchable polar film because of polarization mismatch at their interfaces. That field opposes polarization in the regions with larger polarization and reinforces polarization in the regions with smaller polarization.
Anna N. Morozovska   +5 more
wiley   +1 more source

Quarter- and half-filled quantum Hall states and their topological orders revealed by daughter states in bilayer graphene

open access: yesNature Communications
Even-denominator fractional quantum Hall states are promising candidates for fault-tolerant quantum computing due to their underlying non-Abelian topological order. However, the topological order of these states remains hotly debated.
Ravi Kumar   +10 more
doaj   +1 more source

Confinement Effects on Glass-Forming Aqueous Dimethyl Sulfoxide Solutions

open access: yesMolecules, 2020
Combining broadband dielectric spectroscopy and nuclear magnetic resonance studies, we analyze the reorientation dynamics and the translational diffusion associated with the glassy slowdown of the eutectic aqueous dimethyl sulfoxide solution in nano ...
Dominik Demuth   +5 more
doaj   +1 more source

Synergistic Solar Interfacial Evaporation and Photocatalysis Enabled by a Hierarchical Porous Hydrogel Reactor

open access: yesAdvanced Functional Materials, EarlyView.
A tree‐inspired hydrogel interfacial reactor couples solar evaporation with photocatalysis for simultaneous desalination and waste water treatment. The bilayer design achieves 2.14 kg·m−2·h−1 evaporation rate with 79% dye degradation under one sun, demonstrating that photothermal heating and evaporation induced pollutant enrichment create a self ...
Yan Zhao   +4 more
wiley   +1 more source

Condensed Matter Physics

open access: yes
Abstract The role of Planck’s constant in determining the structure of atoms, molecules, to solids is explored using dimensional analysis methods, including applications to many physical quantities. In addition to the familiar quantized variables such as energy and angular momentum, the description of other quantized effects are ...
Dalzell, Alexander M.   +12 more
openaire   +3 more sources

Control of ferroelectric polarization in BiFeO3 bilayer films through interface engineering

open access: yesnpj Quantum Materials
Predetermining the as-grown polarization of ferroelectric thin films is essential to integrate their reliable properties into electronic devices.
Xiaokang Yao   +13 more
doaj   +1 more source

Infinite-layer nickelates as Ni-e g Hund’s metals

open access: yesnpj Quantum Materials, 2023
The recent and exciting discovery of superconductivity in the hole-doped infinite-layer nickelate Nd1−δ Sr δ NiO2 draws strong attention to correlated quantum materials.
Byungkyun Kang   +6 more
doaj   +1 more source

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