Results 11 to 20 of about 1,400 (184)

Breaking the Boring Billion

open access: yesGeophysical Monograph Series, Page 487-501., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Charles W. Diamond   +3 more
wiley  

+2 more sources

Pressure-induced band-gap energy increase in a metal iodate [PDF]

open access: yes, 2022
A wide band gap is one of the essential requirements for metal iodates to be used as nonlinear optical materials. Usually, the band gap of these materials decreases under the application of pressure.
Errandonea, D.   +10 more
core   +4 more sources

Pressure-Driven Symmetry-Preserving Phase Transitions in Co(IO3)(2) [PDF]

open access: yes, 2021
[EN] High-pressure synchrotron X-ray diffraction studies of cobalt iodate, Co(IO3)(2), reveal a counterintuitive pressure-induced expansion along certain crystallographic directions.
Bandiello, E.   +9 more
core   +1 more source

High-pressure tuning of d-d crystal-field electronic transitions and electronic band gap in Co(I O3)2 [PDF]

open access: yes, 2022
High-pressure optical-absorption measurements performed on polycrystalline Co ( I O 3 ) 2 samples were used to characterize the influence of pressure on the electronic d – d transitions associated with Co 2 + and the fundamental ...
Errandonea, D.   +5 more
core   +1 more source

High-pressure Raman study of Fe(IO3)3: Soft-mode behavior driven by coordination changes of iodine atoms [PDF]

open access: yes, 2020
This document is the Accepted Manuscript version of a Published Work that appeared in final form in The Journal of Physical Chemistry C, copyright © American Chemical Society after peer review and technical editing by the publisher.
Errandonea, Daniel   +6 more
core   +1 more source

Percolation model for structural phase transitions in Li$_{1-x}$H$_x$IO$_3$ mixed crystals

open access: yes, 2004
A percolation model is proposed to explain the structural phase transitions found in Li$_{1-x}$H$_x$IO$_3$ mixed crystals as a function of the concentration parameter $x$.
A.I. Barabash   +29 more
core   +1 more source

Supported bimetallic nano-alloys as highly active catalysts for the one-pot tandem synthesis of imines and secondary amines from nitrobenzene and alcohols [PDF]

open access: yes, 2016
The synthesis and functionalization of imines and amines are key steps in the preparation of many fine chemicals and for pharmaceuticals in particular.
Beale, Andrew M.   +8 more
core   +3 more sources

Colonization patterns of soil microbial communities in the Atacama Desert [PDF]

open access: yes, 2013
BACKGROUND: The Atacama Desert is one of the driest deserts in the world and its soil, with extremely low moisture, organic carbon content, and oxidizing conditions, is considered to be at the dry limit for life.
Alexander Crits-Christoph   +7 more
core   +1 more source

Influence de la préoxydation sur la coagulation par le chlorure ferrique de la matière organique [PDF]

open access: yes, 1991
La coagulation par le Fe(III) de substances humiques aquatiques est optimale à pH = 5,5 pour un rapport massique Fe/COT de l'ordre de 2, quant à l'élimination du COT. Le but de cet article est d'étudier l'influence d'une préoxydation sur l'élimination de
Lefebvre, E., Legube, B.
core   +1 more source

From Two‐Electron to Four‐Electron System: Electrolyte Regulation for Advanced Aqueous Zn–I2 Batteries

open access: yesCarbon Energy, EarlyView.
This review systematically summarizes recent progress in electrolyte‐regulated aqueous Zn–I2 batteries (AZIBs). It outlines the fundamentals of AZIBs along with their main challenges, and then analyzes electrolyte‐engineering strategies that improve both two‐ and four‐electron reactions.
Yucong Wang   +10 more
wiley   +1 more source

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