The oxidation state of iridium (II) is suggested by first-principles calcula- tions, which give an estimate of the total number of electrons of Ir1 and Ir2 (and thus the nominal oxidation states) to be 74.89 (Ir2.111) and 74.91 (Ir2.091) from the sum of pDOS up to EF, respectively...
Under these MAS conditions, a few watts of microwave (μw) irradiation at approximately the Larmor frequency of the unpaired electron spins of AMUPol (∼263 GHz) are applied to the sample, inducing a transfer of the large spin polarization of the electrons to nearby nuclei30,31. For 1H...
We could not determine all the steps needed to balance the equation using trial and error. This may mean it requires too many steps and the chemical equation is too complex to use this method, or that the equation is invalid (e.g. has 0 ...
0.01 and y = 0, 0.05, 0.10, 0.15, 0.20) doped with rare earths. The JCPDS card number 29-0351 was a match for the XRD pattern. The host CaMoO4has a tetragonal structure. It can perceive from the spectrum that only those peak present which were mentioned in JCPDS card no...
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
The universe has a wave function, which, in terms of the classical degrees of freedom, collapses continuously, yet fully in agreement with Schrödinger’s equation. We formulate how to look at various notoriously ‘quantum mechanical’ phenomena, such as superposition, exponential decay, and the ...
Therefore, it would seem that because the difference between Na and Cl is greater than the difference of electronegativity (attraction to electrons) than that of Ca then NaCl will have a greater melting point or freezing point than CaCl2. NaCl, freezing point = 801; CaCl2, fp = 772 °C. ...
5(b)). Ea is the energy required for electrons to transition from the bottom of 4T2 to the intersection of 4T2 and 4A2, followed by non-radiatively relaxation to the bottom of 4A2 ground state (thermal quenching) [41], [48]. As explained in Fig. 5(c), a higher Ea indicates ...
The strength of the electron-phonon coupling (EPC) in graphite and graphene has been widely investigated using angle-resolved photoelectron spectroscopy (ARPES), however the interpretation of the results is not always straightforward7–13. For example the anisotropy of the EPC in alkali-metal ...
High thermoelectric performance has been reported in single crystals of Ca3Co4O9. However, for large scale applications single crystals are not suitable and it is essential to develop high-performance polycrystalline thermoelectric materials. In polycrystalline form, Ca3Co4O9 is known to exhibit ...