Results 61 to 70 of about 17,617 (171)

Magnetic charge and ordering in kagome spin ice

open access: yes, 2012
We present a numerical study of magnetic ordering in spin ice on kagome, a two-dimensional lattice of corner-sharing triangles. The magnet has six ground states and the ordering occurs in two stages, as one might expect for a six-state clock model.
Chalker J. T.   +3 more
core   +1 more source

Linking Domain Structure Evolution at a Grain Boundary to Piezoelectric Response via Nano‐Diffraction

open access: yesJournal of the American Ceramic Society, Volume 109, Issue 4, April 2026.
ABSTRACT Electric‐field‐induced domain structure switching in a 1 μm$\umu{\rm m}$‐thick Pb0.99${\rm Pb}_{0.99}$(Zr0.45${\rm Zr}_{0.45}$Ti0.55)0.98${{\rm Ti}_{0.55})}_{0.98}$Nb0.02${\rm Nb}_{0.02}$O3${\rm O}_3$ (Nb‐doped PZT) bicrystal film was characterized in situ via nano‐focused synchrotron diffraction.
Stanislav A. Udovenko   +9 more
wiley   +1 more source

Chemical trends of superconducting properties in pyrochlore oxides

open access: yes, 2006
Chemical trends of fundamental superconducting parameters and normal-state properties are described for a family of pyrochlore oxide superconductors. Particularly, the change of Tc from 1.0 K for alpha-pyrochlore Cd2Re2O7 to 3.3 K (A = Cs), 6.3 K (Rb ...
Allen   +42 more
core   +1 more source

Radiation Tolerance of Nanoporous Gadolinium Titanate

open access: yesJournal of the American Ceramic Society, Volume 109, Issue 4, April 2026.
Using in situ ion irradiation transmission electron microscopy, this paper shows that free surface (pore) defect sinks are more effective than grain boundaries in capturing radiation‐induced defects and delaying the onset of amorphization in gadolinium titanate. ABSTRACT Defect sinks play a crucial role in reducing radiation‐induced damage accumulation,
Nathan J. Madden   +4 more
wiley   +1 more source

Melting of spin ice state and development of fifth order susceptibility with magnetic field in pyrochlore Tb2Sn2O7

open access: yesNew Journal of Physics, 2022
Pyrochlores offer an ideal playground to investigate the magnetic ground state of frustrated magnetic systems. In this class of materials, competition between various magnetic interactions remains frustrated and prevents an ordered magnetic state at low ...
Karan Singh   +3 more
doaj   +1 more source

Interfacial Atomic and Electronic Structures of LSM/YSZ Thin Films as Models for SOC Air Electrodes

open access: yesChemElectroChem, Volume 13, Issue 6, 17 March 2026.
Lanthanum–strontium manganite/yttria‐stabilized zirconia thin films serve as model systems for solid oxide cell electrodes, where high‐resolution scanning transmission electron microscopy and X‐ray photoelectron spectroscopy reveal atomistic interfacial features and electronic structure supported by atomistic modeling of these interfaces.
Hebatallah Ali   +18 more
wiley   +1 more source

Classical Spin Liquid Properties of the Infinite-Component Spin Vector Model on a Fully Frustrated Two Dimensional Lattice

open access: yes, 2002
Thermodynamic quantities and correlation functions (CFs) of the classical antiferromagnet on the checkerboard lattice are studied for the exactly solvable infinite-component spin-vector model, $D \to \infty$.
Canals, Benjamin, Garanin, Dmitry
core   +3 more sources

Impacts of A‐Site Composition on the Cation Dissolution‐Mediated Surface Restructuring of Layered Nickelate Oxide Electrocatalysts During Alkaline Oxygen Evolution Reaction

open access: yesChemElectroChem, Volume 13, Issue 6, 17 March 2026.
This work shows that A‐site composition dictates the restructuring of Ruddlesden–Popper nickelate oxides (A2‐xA’xNiO4; A = La, Eu, Gd; A’ = Sr; x = 0–1.5) under alkaline oxygen evolution reaction conditions and suggests that electrocatalytic stability is governed by an interplay between dissolution‐mediated site exposure and Ni oxidation state ...
Hyungdon Joo   +3 more
wiley   +1 more source

Topological thermal Hall effect of magnetic monopoles in the pyrochlore U(1) spin liquid

open access: yesPhysical Review Research, 2020
“Magnetic monopole” is an exotic quantum excitation in three-dimensional U(1) spin liquid, and its emergence is purely of quantum origin and has no classical analog.
Xiao-Tian Zhang   +3 more
doaj   +1 more source

UNIQUE ULTRA-RICH RARE METAL ORES OF THE TOMTOR COMPLEX AND PROBLEM OF THEIR GENESIS [PDF]

open access: yesМинералогия, 2019
Main genetic models of the formation of ultra-rich rare metal ores of the Tomtor deposit (Yakutia) are compared on the basis of their structural-textural features, mineral composition, and geologic setting: 1) reducing epigenesis of laterite weathering ...
A.V. Lapin, A.V. Tolstov, I.M. Kulikova
doaj   +1 more source

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