FS-PS

Latest additions:
2018-02-02
09:02
DBCoverage [PUBDB-2018-00999] Journal Article
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Diffraction based Hanbury Brown and Twiss interferometry at a hard x-ray free-electron laser
ddc:000
X-ray free-electron lasers (XFELs) provide extremely bright and highly spatially coherent x-rayradiation with femtosecond pulse duration. Currently, they are widely used in biology and materialscience. [...]
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2018-01-23
10:34
[PUBDB-2018-00754] Journal Article
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Transferring the entatic-state principle to copper photochemistry
Nature chemistry n/a, n/a - n/a (2018) [10.1038/nchem.2916]  GO
ddc:540
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2018-01-16
20:29
Embargoed OpenAccess [PUBDB-2018-00668] Journal Article
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Data compression strategies for ptychographic diffraction imaging
ddc:530
Ptychography is a computational imaging method for solving inverse scattering problems. To date, the high amount of redundancy present in ptychographic data sets requires computer memory that is orders of magnitude larger than the retrieved information. [...]
Published on 2017-11-18. Available in OpenAccess from 2018-11-18.: Download fulltextPDF Download fulltextPDF (PDFA);

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2018-01-12
11:06
[PUBDB-2018-00605] Journal Article
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Multiple timescales in the photoswitching kinetics of crystalline thin films of azobenzene-trimers
ddc:530
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2018-01-12
09:54
Embargoed OpenAccess [PUBDB-2018-00586] Journal Article
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Dislocations as a boundary between charge density wave and oxygen rich phases in a cuprate high temperature superconductor
ddc:530
Multiple functional ionic and electronic orders are observed in high temperature superconducting cuprates. The charge density wave order is one of them and it is spatially localized in different regions of the material. [...]
Published on 2017-02-06. Available in OpenAccess from 2018-02-06.: Download fulltextPDF Download fulltextPDF (PDFA); Restricted: Download fulltextPDF Download fulltextPDF (PDFA);

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2018-01-12
08:27
OpenAccess [PUBDB-2018-00577] Journal Article
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Metal nanoparticle film–based room temperature Coulomb transistor
Science advances 3(7), e1603191 - (2017) [10.1126/sciadv.1603191]  GO
ddc:500
Single-electron transistors would represent an approach to developing less power–consuming microelectronic devices if room temperature operation and industry-compatible fabrication were possible. We present a concept based on stripes of small, self-assembled, colloidal, metal nanoparticles on a back-gate device architecture, which leads to well-defined and well-controllable transistor characteristics. [...]
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2018-01-11
14:09
OpenAccess [PUBDB-2018-00506] Journal Article
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Phase retrieval via propagation-based interferometry
ddc:530
We present an extension of the Gerchberg-Saxton algorithm to allow for phase retrieval from interferometric data recorded at multiple sample-detector distances. A system of coupled waves is introduced where the information exchange can be controlled by use of relaxation parameters [...]
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2018-01-11
12:34
OpenAccess [PUBDB-2018-00471] Journal Article
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Soft-x-ray-induced ionization and fragmentation dynamics of $Sc_{3}N@C_{80}$ investigated using an ion-ion-coincidence momentum-imaging technique
ddc:530
The fragmentation dynamics of an endohedral fullerene, Sc$_3$N@C$_{80}$, after absorption of a soft-x-ray photon, has been studied with an ion-ion-coincidence momentum-imaging technique. Molecular inner-shell ionization at 406.5 eV, targeting the Sc $(2p)$ shell of the encapsulated Sc$_3$N moiety and the C $(1s)$ shell of the C$_{80}$ cage, leads to the cage fragmentation through evaporation of C$_2$, emission of small molecular carbon ions (C$_{n}^{+}, n≤24)$, and release of Sc and Sc-containing ions associated with the carbon cage opening or fragmentation [...]
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2018-01-11
11:34
OpenAccess [PUBDB-2018-00468] Journal Article
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Quantitative ptychographic bio-imaging in the water window
Optics express 26(2), 1237 - 1254 (2018) [10.1364/OE.26.001237]  GO
ddc:530
Coherent X-ray ptychography is a tool for highly dose efficient lensless nano-imaging of biological samples. We have used partially coherent soft X-ray synchrotron radiation to obtain a quantitative image of a laterally extended, dried, and unstained fibroblast cell by ptychography [...]
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2018-01-10
14:44
[PUBDB-2018-00377] Journal Article
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Nanoparticle formation of deposited $Ag_{n}$-clusters on free-standing graphene
ddc:540
Size-selected $Ag_{n}$-clusters on unsupported graphene of a commercial Quantifoil sample have been investigated by surface and element-specific techniques such as transmission electron microscopy (TEM), spatially-resolved inner-shell X-ray photoelectron spectroscopy (XPS) and Auger electron spectroscopy (AES). An agglomeration of the highly mobile clusters into nm-sized Ag-nanodots of 2–3 nm is observed. [...]
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