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Research Highlights 2015

© Adv. Mater. Interfaces
News no.: 015 | MAPEX Research Highlights|

Unraveling the Dynamic Nanoscale Reducibility (Ce4+ → Ce3+) of CeOx–Ru in Hydrogen Activation

Jan Höcker, Tevfik Onur Mentes, Alessandro Sala, Andrea Locatelli, Thomas Schmidt, Jens Falta, Sanjaya D. Senanayake and Jan Ingo Flege.

Advanced Materials Interfaces (2015) 2, 1500314.


The interaction of molecular hydrogen with ceria is of important relevance for…

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© ACS Cryst. Growth Des.
News no.: 014 | MAPEX Research Highlights|

Tetrahedral Tetraphosphonic Acids. New Building Blocks in Supramolecular Chemistry

Alexandra Schütrumpf, Erdoğan Kirpi, Aysun Bulut, Flavien L. Morel, Marco Ranocchiari, Enno Lork, Yunus Zorlu, Simon Grabowsky, Gündoğ Yücesan, and Jens Beckmann.

ACS Crystal Growth and Design (2015) 15, 4925-4931.


The structural characterization of…

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© Phys. Chem. Chem. Phys.
News no.: 013 | MAPEX Research Highlights|

Water adsorption in SAPO-34: elucidating the role of local heterogeneities and defects using dispersion-corrected DFT calculations

Michael Fischer.

Physical Chemistry Chemical Physics (2015) 17, 25260-25271.


The chabazite-type silicoaluminophosphate SAPO-34 is a promising adsorbent for applications in thermal energy storage using water adsorption–desorption cycles. In order to develop a microscopic…

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© Nat. Nanotech.
News no.: 012 | MAPEX Research Highlights|

Tuning emergent magnetism in a Hund's impurity

A. A. Khajetoorians, M. Valentyuk, M. Steinbrecher, T. Schlenk, A. Shick, J. Kolorenc, A. I. Lichtenstein, T. O. Wehling, R. Wiesendanger and J. Wiebe.

Nature Nanotechnology (2015) 10, 958–964.


The recently proposed concept of a Hund's metal—a metal in which electron…

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© ACS Nano
News no.: 011 | MAPEX Research Highlights|

Nanoscale Origin of Mesoscale Roughening: Real-Time Tracking and Identification of Three Distinct Ruthenium Oxide Phases in Ruthenium Oxidation

Jan Ingo Flege, Benjamin Herd, Jan Goritzka, Herbert Over, Eugene E. Krasovskii and Jens Falta.

ACS Nano (2015) 9, 8468-8473.


The structural modification of the Ru(0001) surface is followed in real-time using low-energy electron microscopy at elevated temperatures…

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© ACS Appl. Mater. Interfaces
News no.: 010 | MAPEX Research Highlights|

Modulation of Silica Nanoparticle Uptake into Human Osteoblast Cells by Variation of the Ratio of Amino and Sulfonate Surface Groups: Effects of Serum

Shakiba Shahabi, Laura Treccani, Ralf Dringen and Kurosch Rezwan.

ACS Applied Materials & Interfaces (2015) 7, 13821–13833.


To study the importance of the surface charge for cellular uptake of silica nanoparticles (NPs), we synthesized five different single- or…

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© Carbon
News no.: 009 | MAPEX Research Highlights|

Proximity enhanced quantum spin Hall state in graphene

Liangzhi Kou, Feiming Hu, Binghai Yan,TimWehling, Claudia Felser, Thomas Frauenheim and Changfeng Chen.

Carbon (2015) 87, 418-423.


Graphene is the first model system of two-dimensional topological insulator (TI), also known as quantum spin Hall (QSH) insulator.…

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© Chem. Eur. J.
News no.: 008 | MAPEX Research Highlights|

Dinuclear Face-Sharing Bi-octahedral Tungsten(VI) Core and Unusual Thermal Behavior in Complex Th Tungstates

Bin Xiao,Thorsten M. Gesing, Lars Robben, Dirk Bosbach and Evgeny V. Alekseev.

Chemistry – A European Journal (2015) 21, 7746-7754.


Two new thorium tungstates A6Th6(WO4)14O (A=K and Rb) were synthesized by high-temperature solid-state reactions. The structures of both…

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© Phys. Rev. Lett.
News no.: 007 | MAPEX Research Highlights|

Phonon-pump extreme-ultraviolet-photoemission probe in graphene: Anomalous heating of dirac carriers by lattice deformation

Isabella Gierz, Matteo Mitrano, Hubertus Bromberger, Cephise Cacho, Richard Chapman, Emma Springate, Stefan Link, Ulrich Starke, Burkhard Sachs, Martin Eckstein, Tim O. Wehling, Mikhail I. Katsnelson, Alexander Lichtenstein and Andrea Cavalleri.

Physical Review Letters (2015) 114, 125503.


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© Angew. Chem. Int. Ed.
News no.: 006 | MAPEX Research Highlights|

Electron-Induced Hydration of an Alkene: Alternative Reaction Pathways

Jonas Warneke, Ziyan Wang, Petra Swiderek and Jan HendrikBredehöft.

Angewandte Chemie International Edition (2015) 54, 4397-4400.


Electron-induced reactions in condensed mixtures of ethylene and water lead to the synthesis of ethanol, as shown by post-irradiation…

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