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  • ...erial|strongly correlated systems]], providing a method to second-quantize valence fluctuations within a restrictive manifold of states. ...up>0</sup>) and Ce<sup>3+</sup> (4f<sup>1</sup>) configurations of a mixed-valence [[cerium]] compound. The corresponding quantum states of these two states ...
    6 KB (872 words) - 19:50, 7 May 2023
  • ...thor7=Verhoeven, J. W. |title= Light-induced giant dipoles in simple model compounds for photosynthesis|journal= Nature|date= 1986|volume= 320|issue= 6063|pages ...J. K. |title= Intervalence (Charge-Resonance) Transitions in Organic Mixed-Valence Systems. Through-Space versus Through-Bond Electron Transfer between Bridge ...
    22 KB (3,030 words) - 20:29, 20 September 2024
  • ...>2−</sup> was the first structure in this class synthesized. The synthetic compounds discussed below contain highly oxidized iron in general, as the concepts ar ==Oxoiron compounds== ...
    11 KB (1,521 words) - 23:56, 7 September 2024
  • ...luminium does not experience the [[inert-pair effect]], a phenomenon where valence s electrons are poorly shielded from nuclear charge due to the presence of ...chnöckel|first3=Hansgeorg|date=1996-02-02|title=Aluminum(I) and Gallium(I) Compounds: Syntheses, Structures, and Reactions|journal=Angewandte Chemie Internation ...
    16 KB (2,341 words) - 13:31, 18 January 2025
  • ...rnal=Physical Review B|volume=29|issue=6|title=A New Approach to the Mixed Valence Problem|doi=10.1103/PhysRevB.29.3035|last1=Coleman|first1=Piers|bibcode=198 ...ode=1988PhRvB..38.5142K}}</ref> and the understanding of [[heavy fermion]] compounds.<ref name=hfmetal>{{cite journal|journal=Physical Review B|volume=35|issue= ...
    19 KB (2,487 words) - 11:31, 14 August 2024
  • These compounds have similar properties and a similar [[molecular structure]], with the eig ...ing the suitable hydrocarbon.<ref name="guo1" /> The technique can produce mixed clusters, such as {{chem|Ti|8-''x''|Zr|''x''|C|12}}.<ref name=rohmer2000r / ...
    16 KB (2,340 words) - 17:03, 21 February 2025
  • [[File:Ions notation2.svg|thumb|Mixed Roman numerals and charge notations for the [[uranyl]] ion. The oxidation s ...ions are formed by the gain or loss of electrons to the [[Valence electron|valence shell]] (the outer-most electron shell) in an atom. The inner shells of an ...
    31 KB (4,610 words) - 18:53, 22 February 2025
  • ...also [[Coplanarity|coplanar]] to the ring. Triboracyclopropenyl-containing compounds are extreme cases of inorganic [[aromaticity]]. They are the lightest and s [[File:IrB3-ablation-quality.png|thumb|Laser ablation of a mixed target containing iridium and boron generates a cluster beam containing two ...
    27 KB (3,836 words) - 21:39, 22 July 2024
  • ...(the first work with [[Chugaev|L. A. Chugaev]] on the synthesis of complex compounds of platonitrite with dithioethers);<ref name="Ushakova N. N 1950"/> *1913-1916 - engaged in experimental research in the chemistry of platinum compounds and analysis of rare elements; ...
    52 KB (7,955 words) - 01:02, 9 February 2025
  • ...ath>, separated by an energy interval of <math>2\Delta</math>, that become mixed under nuclear displacements of certain symmetry <math>Q = Q_\alpha</math>; ...shown that if the chain is composed by atoms with unpaired electrons, the valence band is only half filled, and the PJTE interaction between the occupied and ...
    40 KB (6,003 words) - 19:27, 27 April 2024
  • ...ember of the [[group 10 element|group 10]] of the [[periodic table]]. Most compounds in the group have an [[oxidation state]] of +2. Nickel is classified as a [ ...s, as nickel is adjacent to copper and iron in the periodic table can form compounds with the same structure as the [[high-temperature superconductor]]s that ar ...
    56 KB (8,268 words) - 21:58, 16 February 2025
  • ...first2 = E | year = 2021 | title = Thickness induced modifications in the valence, conduction bands and optoelectronic properties of undoped and Nb-doped ana ...first2 = E | year = 2021 | title = Thickness induced modifications in the valence, conduction bands and optoelectronic properties of undoped and Nb-doped ana ...
    38 KB (5,324 words) - 22:34, 8 September 2024
  • ...this stability with a theory that a nanocluster is stable if the number of valence electrons corresponds to the shell closure of [[atomic orbital]]s as (1S<su ...In this source method metal is vaporized in a hot oven. The metal vapor is mixed with (seeded in) inert carrier gas. The vapor mixture is ejected into a vac ...
    35 KB (4,911 words) - 03:45, 11 January 2025
  • ...on Diradical Characters and Nonlinear Optical Properties of 1,3-Diradical Compounds |url=https://pubs.acs.org/doi/10.1021/jp508657s |journal=The Journal of Phy ...lliam J. |last4=Hay |first4=P. Jeffrey |date=1973-11-01 |title=Generalized valence bond description of bonding in low-lying states of molecules |url=https://p ...
    50 KB (6,656 words) - 03:38, 10 February 2025
  • ...is the energy difference between the conduction band minimum (CB) and the valence band maximum (VB). Electrocatalysts are added to reduce the overpotential o ...ctor,} e-_{cb}\text{: electron in conduction band,} h+_{vb}\text{: hole in valence band})} ...
    34 KB (4,656 words) - 14:33, 29 November 2024
  • : {{mvar|''Z''}} is ion valence, ....elsevier.com/retrieve/pii/S092583881000900X|journal=Journal of Alloys and Compounds|language=en|volume=501|issue=2|pages=255–258|doi=10.1016/j.jallcom.2010.04. ...
    45 KB (6,291 words) - 20:26, 21 January 2025
  • ...behind in the valence band. Together, the conduction band electron and the valence band hole are called an [[Exciton|electron-hole pair]]. Both the electron a ...Direct and indirect band gaps|direct bandgap]], meaning the conduction and valence band electron states are at the same [[Crystal momentum|momentum]] instead ...
    130 KB (17,912 words) - 10:36, 28 February 2025
  • ...ch as [[tin]] and [[antimony]], are clearly metals, but form only covalent compounds in the highest oxidation states: their aqua cations are restricted to their ...ions is helped by having information on the nature of solvated cations in mixed solvents<ref>Burgess, Chapter 6.</ref> and non-aqueous [[solvent]]s, such a ...
    71 KB (10,784 words) - 22:25, 1 May 2024
  • : APR is the production of hydrogen from biomass-derived oxygenated compounds (such as glycerol, sugars and sugar alcohols). ...e measure of how much of a given [[chemical substance|substance]] there is mixed with other substances. ...
    92 KB (12,972 words) - 00:03, 23 December 2024
  • ...ents and thus form many different kinds of binary, ternary, and quaternary compounds and/or segregated phases. Thus, such alloys would possess complicated struc ...em, a multi-component alloy containing them is also likely to form ordered compounds.<ref name="enthalpy effect"/> ...
    103 KB (14,505 words) - 17:54, 19 February 2025
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