Ultrafast dynamics in LMCT and intraconfigurational excited states in hexahaloiridates(iv), models for heavy transition metal complexes and building blocks of quantum correlated materials

2020 ◽  
Vol 22 (30) ◽  
pp. 17351-17364
Author(s):  
Darya S. Budkina ◽  
Firew T. Gemeda ◽  
Sergey M. Matveev ◽  
Alexander N. Tarnovsky
Keyword(s):  
Excited States ◽  
Transition Metal Complexes ◽  
Electronic States ◽  
Building Blocks ◽  
Ultrafast Dynamics ◽  
Relaxation Dynamics ◽  
Excited Electronic States ◽  
Ultrafast Relaxation ◽  
Jahn Teller ◽  
Jahn Teller Effect

Two heavy octahedral Ir(iv) halides in intraconfigurational and LMCT excited electronic states with ultrafast relaxation dynamics driven by the Jahn–Teller effect.

Cooperative Pseudo Jahn-Teller Effect as Microscopic Mechanism of (OMT)-(LTT) Structural Phase Transition in La2−xBaxCuO4Superconductors

1992 ◽  
Vol 291 ◽  
Author(s):  
Michael D. Kaplan
Keyword(s):  
Phase Transition ◽  
Structural Phase Transition ◽  
Structural Phase ◽  
Electronic States ◽  
Teller Effect ◽  
Excited Electronic States ◽  
Microscopic Mechanism ◽  
Jahn Teller ◽  
Jahn Teller Effect ◽  
Local Distortions

ABSTRACTA microscopic mechanism for the structural phase transition from the orthorhombic mediate temperature (OMT) phase into the low temperature tetragonal (LTT) one is suggested on the basis of the cooperative pseudo Jahn-Teller effect. The local distortions mixing the ground and the first excited electronic states are ordered antiferrodistortively and are connected in part, with the oxygen octahedra rotations around the [100] axis. The results are in agreement, with the neutron scattering experiments data.

scholarly journals The Static Jahn-Teller Effect in the Excited Electronic States of Benzene, Triphenylene, and Coronene.

1996 ◽  
pp. 231-240
Author(s):  
Mitsunobu NAKAYAMA ◽  
Hiroyuki SHIMIZU ◽  
Sadachika AKIYAMA ◽  
Yoshiyuki KOMURA ◽  
Keizo SUZUKI ◽  
...  
Keyword(s):  
Electronic States ◽  
Teller Effect ◽  
Excited Electronic States ◽  
Jahn Teller ◽  
Jahn Teller Effect

scholarly journals Ultrafast Relaxation Dynamics of Highly-excited States in N2Molecules Excited by Femtosecond XUV Pulses

2013 ◽  
Vol 41 ◽  
pp. 02004
Author(s):  
Matteo Lucchini ◽  
Kyung Seung Kim ◽  
Francesca Calegari ◽  
Freek Kelkensberg ◽  
Wing Kiu Siu ◽  
...  
Keyword(s):  
Excited States ◽  
Relaxation Dynamics ◽  
Ultrafast Relaxation

scholarly journals Autoionization and ultrafast relaxation dynamics of highly excited states in N2

2012 ◽  
Vol 86 (4) ◽  
Author(s):  
M. Lucchini ◽  
K. Kim ◽  
F. Calegari ◽  
F. Kelkensberg ◽  
W. Siu ◽  
...  
Keyword(s):  
Excited States ◽  
Relaxation Dynamics ◽  
Ultrafast Relaxation

scholarly journals Variational calculations of excited states via direct optimization of the orbitals in DFT

2020 ◽  
Vol 224 ◽  
pp. 448-466 ◽  
Author(s):  
Gianluca Levi ◽  
Aleksei V. Ivanov ◽  
Hannes Jónsson
Keyword(s):  
Excited States ◽  
Electronic States ◽  
Optimization Method ◽  
Density Functionals ◽  
Excited Electronic States ◽  
Direct Optimization ◽  
Variational Calculations

A direct optimization method for obtaining excited electronic states using density functionals is presented.

Excited electronic states in dark biological process

1973 ◽  
Vol 6 (4) ◽  
pp. 485-501 ◽  
Author(s):  
G. Cilento
Keyword(s):  
Amino Acids ◽  
Excited States ◽  
Electronic Excitation ◽  
Light Emission ◽  
Biological Process ◽  
Electronic States ◽  
Aromatic Amino Acids ◽  
Active Species ◽  
Excited Electronic States ◽  
Transfer Processes

It is well known that excited states may be generated chemically in biological systems as evidencex and by the phenomenon of bioluminescence and it is natural to suspect that they may also be generated and used in dark processes (Szent-Györgyi, 1941; Steele, 1963; Cilento, 1965; White & Wei, 1970; Whiteet al.1971). Förster (1967) has pointed out that electronic excitation and subsequent transfer processes may occur in biological dark systems despite the fact that the energy available from enzymic processes is too low to excite aromatic amino acids and other biochemical structures. Hastings (1968) suggests that in some organisms light emission is just an alternative to the formation of an active species.

Sign in / Sign up

Export Citation Format

Share Document