Results 1 to 10 of about 20,207 (328)

Systematic derivation of maximally orthogonalized supercells

open access: yesScience and Technology of Advanced Materials: Methods, 2022
Generation of supercells with a desirable size and reasonable geometry, such as basis vectors with a similar length and are close to orthogonality, is useful for defect calculations and dilute alloy calculations. Identification of relations between basis
Yoyo Hinuma
doaj   +3 more sources

Laser Doppler Vibrometry for Evaluating the Quality of Welds in Lithium-Ion Supercells [PDF]

open access: yesEnergies, 2022
The inspection of the quality of welds in battery packs plays an important role in ensuring safety during the manufacturing and operation of energy-storage devices in automotive vehicles during service. This research investigated the novel application of
Alon Ratner   +7 more
doaj   +3 more sources

Polarons from First Principles, without Supercells. [PDF]

open access: yesPhysical Review Letters, 2019
We develop a formalism and a computational method to study polarons in insulators and semiconductors from first principles. Unlike in standard calculations requiring large supercells, we solve a secular equation involving phonons and electron-phonon ...
W. Sio   +3 more
semanticscholar   +8 more sources

Finding alike supercells of two crystals

open access: yesScience and Technology of Advanced Materials Methods, 2023
An algorithm is proposed that finds supercells of two arbitrary crystals that are ‘alike’, or in other words, have almost the same lattice parameters. The given input is the primitive cells of two crystals, crystal 1 and 2, and their supercell sizes, N ...
Yoyo Hinuma
exaly   +3 more sources

Charged dopants in neutral supercells through substitutional donor (acceptor): nitrogen donor charging of the nitrogen-vacancy center in diamond

open access: yesNew Journal of Physics, 2018
Charged defects are traditionally computed by adding (subtracting) electrons for negative (positive) impurities. When using periodic boundary conditions this results in artificially charged supercells that also require a compensating background charge of
Robin Löfgren   +3 more
doaj   +3 more sources

Theory of polarization textures in crystal supercells [PDF]

open access: yesPhysical Review Research, 2023
Recently, topologically nontrivial polarization textures have been predicted and observed in nanoscale systems. While these polarization textures are interesting and promising in terms of applications, their topology in general is yet to be fully ...
Daniel Bennett   +4 more
doaj   +2 more sources

Supercell-core software: A useful tool to generate an optimal supercell for vertically stacked nanomaterials [PDF]

open access: yesAIP Advances, 2020
Vertically oriented materials, such as van der Waals heterostructures, which have novel hybrid properties, are crucial for fundamental scientific research and the design of new nano-devices.
Tomasz Necio, Magdalena Birowska
doaj   +4 more sources

Online Nonlinear Bias Correction in Ensemble Kalman Filter to Assimilate GOES‐R All‐Sky Radiances for the Analysis and Prediction of Rapidly Developing Supercells

open access: yesJournal of Advances in Modeling Earth Systems, 2022
The present study introduces the online non‐linear bias correction for the assimilation of all‐sky GOES‐16 Advanced Baseline Imager (ABI) channel 9 (6.9 μm) radiances in a rapidly cycled EnKF for convective scale data assimilation (DA). This study is the
Krishnamoorthy Chandramouli   +3 more
doaj   +2 more sources

The Future of Supercells in The United States

open access: yesBulletin of the American Meteorological Society, 2022
A supercell is a distinct type of intense, long-lived thunderstorm that is defined by its quasi-steady, rotating updraft. Supercells are responsible for most damaging hail and deadly tornadoes, causing billions of dollars in losses and hundreds of ...
Walker S. Ashley   +2 more
semanticscholar   +2 more sources

Unveiling non-Hermitian band structures with non-Bloch supercells [PDF]

open access: yesNature Communications
Real-valued band structures underpin the analysis of periodic Hermitian systems and are well established experimentally. By contrast, non-Hermitian systems feature complex band structures, in which energy and momentum acquire imaginary parts, enabling ...
Jia-Xin Zhong   +5 more
doaj   +2 more sources

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