TY  - JOUR
A1  - Martensson, Nils
A1  - Föhlisch, Alexander
A1  - Svensson, Svante
T1  - Uppsala and Berkeley
BT  - two essential laboratories in the development of modern photoelectron spectroscopy
JF  - Journal of vacuum science & technology : JVST ; an AVS journal / A
N2  - The development of modern photoelectron spectroscopy is reviewed with a special focus on the importance of research at Uppsala University and at Berkeley. The influence of two pioneers, Kai Siegbahn and Dave Shirley, is underlined. Early interaction between the two centers helped to kick-start the field. Both laboratories have continued to play an important role in the field, both in terms of creating new experimental capabilities and developing the theoretical understanding of the spectroscopic processes.
KW  - Electronic structure
KW  - Condensed matter physics
KW  - X-ray emission spectroscopy
KW  - Electron spectroscopy
KW  - Photoelectron spectroscopy
KW  - Nuclear physics
KW  - Storage rings
KW  - Synchrotron radiation
KW  - Gas phase
KW  - Surface science
Y1  - 2022
U6  - https://doi.org/10.1116/6.0001879
SN  - 0734-2101
SN  - 1520-8559
VL  - 40
IS  - 4
PB  - American Institute of Physics
CY  - New York
ER  - 
TY  - JOUR
A1  - Beye, Martin
A1  - Föhlisch, Alexander
T1  - Soft X-ray probes of ultrafast dynamics for heterogeneous catalysis
JF  - Chemical physics : a journal devoted to experimental and theoretical research involving problems of both a chemical and physical nature
N2  - Soft X-ray spectroscopy is one of the best tools to directly address the electronic structure, the driving force of chemical reactions. It enables selective studies on sample surfaces to single out reaction centers in heterogeneous catalytic reactions. With core-hole clock methods, specific dynamics are related to the femtosecond life time of a core-hole. Typically, this method is used with photoemission spectroscopy, but advancements in soft X-ray emission techniques render more specific studies possible. With the advent of bright femtosecond pulsed soft X-ray sources, highly selective pump-probe X-ray emission studies are enabled with temporal resolutions down to tens of femtoseconds. This finally allows to study dynamics in the electronic structure of adsorbed reaction centers on the whole range of relevant time scales - closing the gap between kinetic soft X-ray studies and the atto- to femtosecond core-hole clock techniques.
KW  - Core-hole clock
KW  - Resonant inelastic X-ray scattering
KW  - Ultrafast surface science
KW  - Photoelectron spectroscopy
Y1  - 2013
U6  - https://doi.org/10.1016/j.chemphys.2012.03.023
SN  - 0301-0104
SN  - 1873-4421
VL  - 414
IS  - 5
SP  - 130
EP  - 138
PB  - Elsevier
CY  - Amsterdam
ER  -