Results 91 to 100 of about 17,749,413 (318)

Nuclear radii from first principles

open access: yesFrontiers in Physics
With the combination of nuclear interactions from chiral effective field theory and various many-body techniques, one can perform systematically improvable ab initio calculations.
Takayuki Miyagi
doaj   +1 more source

First Principles Study of Cerium Monochalcogenides

open access: yesAdvances in Condensed Matter Physics, 2014
A theoretical investigation of structural, magnetic, electronic, and lattice dynamical properties of cerium monochalcogenides using the generalized gradient approximation (GGA) + U within ultrasoft pseudopotentials and a plane-wave basis is presented ...
Recep Eryiğit
doaj   +1 more source

Calpain small subunit homodimerization is robust and calcium‐independent

open access: yesFEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy   +4 more
wiley   +1 more source

First-principles study of orthorhombic CdTiO3 perovskite

open access: yes, 2002
In this work we perform an ab-initio study of CdTiO3 perovskite in its orthorhombic phase using FLAPW method. Our calculations help to decide between the different cristallographic structures proposed for this perovskite from X-Ray measurements.
A. López García   +25 more
core   +1 more source

First‐principles study, fabrication, and characterization of (Hf 0.2 Zr 0.2 Ta 0.2 Nb 0.2 Ti 0.2 )C high‐entropy ceramic

open access: yesJournal of The American Ceramic Society, 2019
The formation possibility of (Hf0.2Zr0.2Ta0.2Nb0.2Ti0.2)C high‐entropy ceramic (HHC‐1) was first analyzed by the first‐principles calculations, and then, it was successfully fabricated by hot‐pressing sintering technique at 2073 K under a pressure of 30 ...
Beilin Ye   +4 more
semanticscholar   +1 more source

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

open access: yesFEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura   +2 more
wiley   +1 more source

Two-dimensional antiferromagnetic boron form first principles

open access: yesAIP Advances, 2019
A new two-dimensional (2D) antiferromagnetic semiconducting boron structure, named as M-B28, is predicted using ab initio evolutionary structure searching.
Chengguang Yue, Kun Luo, Bo Xu
doaj   +1 more source

Generalized Stacking Fault Energy of Al-Doped CrMnFeCoNi High-Entropy Alloy

open access: yesNanomaterials, 2019
Using first-principles methods, we investigate the effect of Al on the generalized stacking fault energy of face-centered cubic (fcc) CrMnFeCoNi high-entropy alloy as a function of temperature.
Xun Sun   +5 more
doaj   +1 more source

Towards First-principles Electrochemistry

open access: yes, 2010
Chemisorbed molecules at a fuel cell electrode are a very sensitive probe of the surrounding electrochemical environment, and one that can be accurately monitored with different spectroscopic techniques.
Cancès, E.   +3 more
core   +1 more source

A first principles simulation of rigid water

open access: yes, 2004
We present the results of Car-Parrinello (CP) simulations of water at ambient conditions and under pressure, using a rigid molecule approximation.
Allesch, M.   +3 more
core   +1 more source

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