Valence Electrons in a Compound: To determine the total valence electrons in a compound, we determine the number of valence electrons that each atom has, then get the sum of these values. If there is more than one atom of the element, the valence electrons of that element should be multipl...
In the first few superactinides, the binding energies of the added electrons are predicted to be small enough that they can lose all theirvalence electrons; for example, unbihexium (element 126) could easily form a +8 oxidation state, and even higher oxidation states for the next few eleme...
The valence electron structure of Fe_2B phase was studied on the basis of Yu's empirical electron theory of solids and molecules.The values of valence electrons on every bond in an atomic coordinate cluster were calculated by the method of bond length difference(BLD). The results showed that ...
Electron spectroscopy measurements (UPS, XPS, and AES) of the heavy polyvalent liquid metals Hg, Tl, Pb and Bi reveal the systematic evolution of well separated 6s/6p bands with increasing widths of the bandgaps and increasing p bandwidths with increasing number of p electrons. The presence of...
CAl3X (X = B/Al/Ga/In/Tl) with 16 valence electrons: can planar tetracoordinate carbon be stable? As a perpetual chemical curiosity, planar tetracoordinate carbon (ptC) that violates the traditional tetrahedral carbon (thC) has made enormous achievement... Hai-Feng,Zheng,Shuang,... - 《Ph...
This technique is used to study the valence electron distributions in the high-temperature superconductors YBa_2Cu_3O_7 and Bi_2Sr_2CaCu_2O_(8+未). We compare our experimental findings with first-principle calculations of the electronic structure.J. Tafto...
The main effect of Ce-doping is to provide additional 17% electrons into the system, beneficial for the superconductivity enhancement. The local atomic dl2a)irsbgpeolatchcoentmhfieegnsuhtrsoactriatoennnbainlegdrieosvofertahdleeerdinibn-ypElEauunBeaiSnB2dFi--SBb1iaLbse3o-dnesddyg(seit.eeEm.Xa,...
The main effect of Ce-doping is to provide additional 17% electrons into the system, beneficial for the superconductivity enhancement. The local atomic displacements can be revealed by Eu and Bi L3-edge EXAFS: 1) the in-plane Bi-S1 distance is characterized by a large configurational disorder ...
We calculate the angular resolved photoemission spectrum of the Falicov-Kimball model with electronic ferroelectricity where $d$- and $f$-electrons have di... WG Yin,WN Mei,CG Duan,... - 《Physical Review B》 被引量: 16发表: 2003年 Near degeneracy and pseudo Jahn-Teller effects in mixed...
By combining a recent result of March and Matthai for the energy gap G with a model of Rey and Savin, the correlation energy e c of the valence electrons embracing C, Si, Ge and Sn can be estimated. While Sn is thereby predicted to have e c near to the Ceperley-Alder jellium resul...