Highlights

Gas-phase kinetics of CH3CHO with OH radicals between 11.7 and 177.5 K

Gas-phase kinetics of CH3CHO with OH radicals between 11.7 and 177.5 K

Author:

Phys. Chem. Chem. Phys.

Abstract:
Gas-phase reactions in the interstellar medium (ISM) are a source of molecules in this environment. The knowledge of the rate coefficient for neutral–neutral reactions as a function of temperature, k(T), is essential to improve….

Boron synergies in lithium film performance

Boron synergies in lithium film performance

Author: A. Devitre, E. OyarzabalI. Fernández-BercerueloD. Tafalla and F.L. Tabare

Nuclear Fusion

Abstract:
Fusion experiments use lithium and boron getters to capture impurities and control the density of fuel species in the plasma. In the TJ-II Stellarator, the addition of a boron-carbon substrate was found to extend the lifetime of the very reactive lithium wall conditioning….

Large Dzyaloshinskii-Moriya interaction induced by chemisorbed oxygen on a ferromagnet surface

Large Dzyaloshinskii-Moriya interaction induced by chemisorbed oxygen on a ferromagnet surface

Author: Gong Chen, Arantzazu Mascaraque, Hongying Jia, Bernd Zimmermann, MacCallum Robertson, Roberto Lo Conte, Markus Hoffmann, Miguel Angel González Barrio, Haifeng Ding, Roland Wiesendanger, Enrique G. Michel, Stefan Blügel, Andreas K. Schmid, Kai Liu

Science Advances 

Abstract:
The Dzyaloshinskii-Moriya interaction (DMI) is an antisymmetric exchange interaction that stabilizes chiral spin textures. It is induced by inversion symmetry breaking in noncentrosymmetric lattices or at interfaces. Recently, interfacial DMI….

Unveiling the Neutral Forms of Glutamine

Unveiling the Neutral Forms of Glutamine

Author: Iker León, Elena R. Alonso, Santiago Mata, Carlos Cabezas, Prof. Jose Luis Alonso

Angewandte (2019)

Abstract:
Neutral glutamine has been evaporated by laser ablation of its solid sample to seed a rare gas carrier prior to a supersonic expansion and proved by Fourier transform microwave techniques. We report on three distinct neutral conformers that show a….

Reversible graphene decoupling by NaCl photo-dissociation

Reversible graphene decoupling by NaCl photo-dissociation

Author: I PalacioL AballeM FoersterD G de OteyzaM García-Hernández and J A Martín-Gago

2D MaterialsVolume 6Number 2 (2019)

Abstract:
We describe the reversible intercalation of Na under graphene on Ir(1 1 1) by photo-dissociation of a previously adsorbed NaCl overlayer. After room temperature evaporation, NaCl adsorbs on top of graphene forming a bilayer. With a combination of electron diffraction and photoemission….

Identifying substitutional oxygen as a prolific point defect in monolayer transition metal dichalcogenides

Identifying substitutional oxygen as a prolific point defect in monolayer transition metal dichalcogenides

Author: Sara Barja, Sivan Refaely-Abramson, Bruno Schuler, Diana Y. Qiu, Artem Pulkin, Sebastian Wickenburg, Hyejin Ryu, Miguel M. Ugeda, Christoph Kastl, Christopher Chen, Choongyu Hwang, Adam Schwartzberg, Shaul Aloni, Sung-Kwan Mo, D. Frank Ogletree, Michael F. Crommie, Oleg V. Yazyev, Steven G. Louie, Jeffrey B. Neaton & Alexander Weber-Bargioni 

Nature Communications volume 10, Article number: 3382 (2019

Abstract:
Chalcogen vacancies are generally considered to be the most common point defects in transition metal dichalcogenide (TMD) semiconductors because of their low formation energy in vacuum and their frequent observation in transmission electron microscopy studies. Consequently….

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