FS-ATTO

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2018-10-15
15:08
[PUBDB-2018-03796] Journal Article
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Ultrafast Hydrogen Migration in Photoionized Glycine
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2018-10-01
15:15
[PUBDB-2018-03690] Journal Article
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Attosecond spectroscopy of bio-chemically relevant molecules
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2018-10-01
15:00
[PUBDB-2018-03687] Journal Article
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Attosecond Pump–Probe Spectroscopy of Charge Dynamics in Tryptophan
Attosecond pump–probe experiments performed in small molecules have allowed tracking charge dynamics in the natural time scale of electron motion. That this is also possible in biologically relevant molecules is still a matter of debate, because the large number of available nuclear degrees of freedom might destroy the coherent charge dynamics induced by the attosecond pulse [...]
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2018-01-23
10:34
Embargoed OpenAccess [PUBDB-2018-00754] Journal Article
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Transferring the entatic-state principle to copper photochemistry
Nature chemistry 10, 355 – 362 () [10.1038/nchem.2916]  GO
The entatic state denotes a distorted coordination geometry of a complex from its typical arrangement that generates an improvement to its function. The entatic-state principle has been observed to apply to copper electron-transfer proteins and it results in a lowering of the reorganization energy of the electron-transfer process. [...]
Published on 2018-01-15. Available in OpenAccess from 2018-07-15.: Download fulltextPDF Download fulltextPDF (PDFA); Restricted: Download fulltextPDF Download fulltextPDF (PDFA);
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2018-01-16
10:01
OpenAccess [PUBDB-2018-00659] Journal Article
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Drastic difference between hole and electron injection through the gradient shell of $\mathrm{Cd_{x}Se_{y}Zn_{1−x}S_{1−y}}$ quantum dots
Nanoscale 9(34), 12503 - 12508 12508 () [10.1039/C7NR04495J]  GO
Ultrafast fluorescence spectroscopy was used to investigate the hole injection in Cd$_{x}$Se$_{y}$Zn$_{1−x}$S$_{1−y}$ gradient core–shell quantum dot (CSQD) sensitized p-type NiO photocathodes. A series of CSQDs with a wide range of shell thicknesses was studied. [...]
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2018-01-11
17:11
[PUBDB-2018-00570] Journal Article
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Probing the Impact of Solvation on Photoexcited Spin Crossover Complexes with High-Precision X-ray Transient Absorption Spectroscopy
Investigating the photoinduced electronic and structural response of bistable molecular building blocks incorporating transition metals in solution phase constitutes a necessary stepping stone for steering their properties toward applications and performance optimizations. This work presents a detailed X-ray transient absorption (XTA) spectroscopy study of a prototypical spin crossover (SCO) complex [FeII(mbpy)$_3$]$^{2+}$ (where mbpy = 4,4′-dimethyl-2,2′-bipyridine) with an [Fe$^{II}$N$_6$] first coordination shell in water (H2$_O$) and acetonitrile (CH$_3$CN). [...]
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2018-01-11
15:44
[PUBDB-2018-00539] Journal Article
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Enhanced Size Selection in Two-Photon Excitation for $\mathrm{CsPbBr_{3}}$ Perovskite Nanocrystals
Cesium lead bromide (CsPbBr$_3$) perovskite nanocrystals (NCs), with large two-photon absorption (TPA) cross-section and bright photoluminescence (PL), have been demonstrated as stable two-photon-pumped lasing medium. With two-photon excitation, red-shifted PL spectrum and increased PL lifetime is observed compared with one-photon excitation. [...]
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2018-01-11
15:39
[PUBDB-2018-00535] Journal Article

Photoemission delay: The White Rabbit's clock
Nature physics 13(3), 207 – 208 () [10.1038/nphys3973]  GO
Without a very precise timer one can never catch up with the electron released in photoemission. Attosecond streaking spectroscopy allows such a chronometer clock to be set to zero and reveals the role of electron correlations..
Published on 2017-11-21. Available in OpenAccess from 2018-05-21.: Download fulltextPDF Download fulltextPDF (PDFA); Restricted: Download fulltextPDF Download fulltextPDF (PDFA);
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2018-01-11
13:38
Embargoed OpenAccess [PUBDB-2018-00490] Journal Article
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Ultrafast dynamics in the DNA building blocks thymidine and thymine initiated by ionizing radiation
Understanding how energetic charged particles damage DNA is crucial for improving radiotherapy techniques such as hadron therapy and for the development of new radiosensitizer drugs. In the present study, the damage caused by energetic particles was simulated by measuring the action of extreme ultraviolet (XUV) attosecond pulses on the DNA building blocks thymine and thymidine. [...]
Published on 2017-06-12. Available in OpenAccess from 2018-06-12.: Download fulltextPDF Download fulltextPDF (PDFA); Restricted: Download fulltextPDF Download fulltextPDF (PDFA);
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2017-12-30
19:11
OpenAccess [PUBDB-2017-14151] Journal Article
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Attosecond streaking metrology with isolated nanotargets
The development of attosecond metrology has enabled time-resolved studies on atoms, molecules, and (nanostructured) solids. Despite a wealth of theoretical work, attosecond experiments on isolated nanotargets, such as nanoparticles, clusters, and droplets have been lacking. [...]
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