Energy transfer from organic surface adsorbate
... transfer from the band-to-band excitation of microcrystalline ZnS host lattice having well defined s– p band states. In case of pyridine capped nanocrystals, the PLE spectrum shows a narrow, symmetric band with peak maximum at 310 nm (4.0 eV). The blue shift in the PLE of nanocrystals is attributed ...
... transfer from the band-to-band excitation of microcrystalline ZnS host lattice having well defined s– p band states. In case of pyridine capped nanocrystals, the PLE spectrum shows a narrow, symmetric band with peak maximum at 310 nm (4.0 eV). The blue shift in the PLE of nanocrystals is attributed ...
A study on the nickel(II)
... bond results in stabilization of the four-membered ring formed by N(16), S(17), N(20) atoms and Ni(II) ion, an arrangement that is very rarely encountered. To ease the internal stress of the ring, N(20) moves out of plane formed by the three other atoms. The loss of ring planarity is additionally su ...
... bond results in stabilization of the four-membered ring formed by N(16), S(17), N(20) atoms and Ni(II) ion, an arrangement that is very rarely encountered. To ease the internal stress of the ring, N(20) moves out of plane formed by the three other atoms. The loss of ring planarity is additionally su ...
Chapter 4: Experimental Techniques
... the sample and of a series of standards. The standards contain known concentrations of the metal being analysed and are used to construct a calibration curve (see below). The atomic absorption spectrometer (Fig. 4.6) contains either a flame atomizer, a graphite furnace or an electrically heated atom ...
... the sample and of a series of standards. The standards contain known concentrations of the metal being analysed and are used to construct a calibration curve (see below). The atomic absorption spectrometer (Fig. 4.6) contains either a flame atomizer, a graphite furnace or an electrically heated atom ...
High Oxygen Pressures and the Stabilization of the Highest
... general electronic properties of the corresponding oxides [48]. If the top of the O 2− : 2p6 bands lies in the gap U between successive redox energies M (n+1)+/n+ and M n+/(n−1)+ , the lower redox couple becomes pinned to the top of the O:2p bands and the effective gap between the pinned redox cou ...
... general electronic properties of the corresponding oxides [48]. If the top of the O 2− : 2p6 bands lies in the gap U between successive redox energies M (n+1)+/n+ and M n+/(n−1)+ , the lower redox couple becomes pinned to the top of the O:2p bands and the effective gap between the pinned redox cou ...
Background Material
... is an additional attractive Coulomb radial potential V(r) = -Ze2/r present. In Chapter 1, we showed how the particle-in-a-sphere radial functions can be expressed in terms of spherical Bessel functions. In addition, the pattern of energy levels, which was shown in Chapter 1 to be related to the val ...
... is an additional attractive Coulomb radial potential V(r) = -Ze2/r present. In Chapter 1, we showed how the particle-in-a-sphere radial functions can be expressed in terms of spherical Bessel functions. In addition, the pattern of energy levels, which was shown in Chapter 1 to be related to the val ...
Chapter 2. Model Problems That Form Important Starting Points
... ψ1α(r1) ψ1β (r2) ψ2α (r3) ψ2β (r4) ψ3α (r5) ψ3β (r6) ψ4α (r7)ψ5β (r8) ψ5α (r9). The electronic excitation energies from the ground state to each of the above excited states within this model would be ΔE* = π2 h2/2m [ 52/L2 - 42/L2] and ΔE'* = π2 h2/2m [ 62/L2 - 52/L2]. It turns out that this simple ...
... ψ1α(r1) ψ1β (r2) ψ2α (r3) ψ2β (r4) ψ3α (r5) ψ3β (r6) ψ4α (r7)ψ5β (r8) ψ5α (r9). The electronic excitation energies from the ground state to each of the above excited states within this model would be ΔE* = π2 h2/2m [ 52/L2 - 42/L2] and ΔE'* = π2 h2/2m [ 62/L2 - 52/L2]. It turns out that this simple ...
Chemical reactivity of ultracold polar molecules: investigation of H+
... decreases, the H2 /HCl product branching ratio decreases, with values differing by 3 orders of magnitude for v = 1, and 2 orders of magnitude for v = 2 at an incident kinetic energy of 10−7 eV. For energies below 10−4 eV, cross sections reach the Wigner regime [64] where they vary inversely as the v ...
... decreases, the H2 /HCl product branching ratio decreases, with values differing by 3 orders of magnitude for v = 1, and 2 orders of magnitude for v = 2 at an incident kinetic energy of 10−7 eV. For energies below 10−4 eV, cross sections reach the Wigner regime [64] where they vary inversely as the v ...
Partitlon of the Dipole Moment and Atomic Polar Tensor: The Water
... moment, that is not a sufficient condition to give a better APT. It can be seen from Table 111 that, especially for the 4-31G basis set, the homopolar dipole flux is not very significant except for the f x x and f Y z elements, indicating that the total APT has basically atomic characteristics. APT ...
... moment, that is not a sufficient condition to give a better APT. It can be seen from Table 111 that, especially for the 4-31G basis set, the homopolar dipole flux is not very significant except for the f x x and f Y z elements, indicating that the total APT has basically atomic characteristics. APT ...
FTIR absorption study of hydroxyl ions in KHo(WO4)2 - DT
... spectrum was measured again at low temperature. Fig. 2 shows the spectra in the 2500–2700 cm-1 wave number range where the isotopic replica of the hydroxyl bands appeared. The similarity of the OH– and OD– spectra in the low wave number region is obvious for all temperatures, but OD– bands correspon ...
... spectrum was measured again at low temperature. Fig. 2 shows the spectra in the 2500–2700 cm-1 wave number range where the isotopic replica of the hydroxyl bands appeared. The similarity of the OH– and OD– spectra in the low wave number region is obvious for all temperatures, but OD– bands correspon ...
Atomic Physics - NMSU Astronomy
... The atomic model proposed by Bohr (1913) is a semi–quantum mechanical approach to what is essentially classical physics. The model applies well to neutral hydrogen atoms and to so–called hydrogen–like ions (those with multiple protons in their nucleus but only a single bound electron). The Bohr mode ...
... The atomic model proposed by Bohr (1913) is a semi–quantum mechanical approach to what is essentially classical physics. The model applies well to neutral hydrogen atoms and to so–called hydrogen–like ions (those with multiple protons in their nucleus but only a single bound electron). The Bohr mode ...
CHAPTER 1 Barrier crossings: classical theory of rare but impor
... events in many body systems. I do so using the format of textbook chapters. In other words, these lectures provide reasonably self contained descriptions of ideas and principles, but they are not reviews of the large literature where these ideas and principles are applied. I append annotated bibliog ...
... events in many body systems. I do so using the format of textbook chapters. In other words, these lectures provide reasonably self contained descriptions of ideas and principles, but they are not reviews of the large literature where these ideas and principles are applied. I append annotated bibliog ...
The O 1s and V 2p X-ray Absorption Spectra of Vanadium Oxides
... ('rcN 34010. The V 2p XAS spectra present significant multiplet effects and chemica1,shifts n hich provide very helpful information on the character and symmetry of the ground state. 'I'he V 2p XAS spectrum of V2O3 is precisely simulated by an atomic-multiplet calculation projected on the appropriat ...
... ('rcN 34010. The V 2p XAS spectra present significant multiplet effects and chemica1,shifts n hich provide very helpful information on the character and symmetry of the ground state. 'I'he V 2p XAS spectrum of V2O3 is precisely simulated by an atomic-multiplet calculation projected on the appropriat ...
Sub-cycle Electron Dynamics Probed by Isolated
... helium and hydrogen, respectively. The attosecond pulse was then recombined with a delayed portion of the fewcycle NIR laser, and both were focused together to a gas cell (1.5 mm inner diameter) filled with helium, neon, or hydrogen gas. In the absence of the NIR laser, absorption lines correspondin ...
... helium and hydrogen, respectively. The attosecond pulse was then recombined with a delayed portion of the fewcycle NIR laser, and both were focused together to a gas cell (1.5 mm inner diameter) filled with helium, neon, or hydrogen gas. In the absence of the NIR laser, absorption lines correspondin ...
The secondary structure of guide RNA molecules
... molecules contained extended helical domains, which would result in much sharper melting signals (23,37). A small high temperature transition (7"m-2) in the range of 10-11° C could also be detected and the hyperchromicities at 260 run were determined to vary between 15 and 20%. All four molecules di ...
... molecules contained extended helical domains, which would result in much sharper melting signals (23,37). A small high temperature transition (7"m-2) in the range of 10-11° C could also be detected and the hyperchromicities at 260 run were determined to vary between 15 and 20%. All four molecules di ...
View - University of Southampton
... In the current article, we study the hydration of the UO22+ and PuO22+ species as a first step in understanding the above reaction. The behavior of UO22+ in aqueous solution has been studied experimentally by several groups. In close connection with the above system, ligand exchange reactions have b ...
... In the current article, we study the hydration of the UO22+ and PuO22+ species as a first step in understanding the above reaction. The behavior of UO22+ in aqueous solution has been studied experimentally by several groups. In close connection with the above system, ligand exchange reactions have b ...
- Wiley Online Library
... studying reaction mechanisms. As the molecules are randomly oriented and as coupling depends on the orientation of their transition dipole moments relative to the electromagnetic field in the cavity, not all molecules in the cavity are coupled at any given time (i.e., the molecules rotate much faste ...
... studying reaction mechanisms. As the molecules are randomly oriented and as coupling depends on the orientation of their transition dipole moments relative to the electromagnetic field in the cavity, not all molecules in the cavity are coupled at any given time (i.e., the molecules rotate much faste ...