1.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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15 papers · 2 filters
Tetrahedral Bonding in Twisted Bilayer Graphene by Carbon Intercalation
Anindya Roy, Hridis K. Pal
Based on ab initio calculations, we study the effect of intercalating twisted bilayer graphene with carbon. Surprisingly, we find that the intercalant pulls the atoms in the two la…
Revisiting Graphene Oxide Chemistry via Spatially-Resolved Electron Energy Loss Spectroscopy
Anna Tararan, Alberto Zobelli, Ana M. Benito +2
The type and distribution of oxygen functional groups in graphene oxide (GO) and reduced graphene oxide (RGO) remain still a subject of great debate. Local analytic techniques are…
Bismuth iron garnet Bi3Fe5O12: a room temperature magnetoelectric material
Elena Popova, Alexander Shengelaya, Dimitri Daraselia +7
The possibility to control the magnetic properties of a material with an electric field at room temperature is highly desirable for modern applications. Moreover, a coupling betwee…
Beam model for the elastic properties of material with spherical voids
Sascha Heitkam, Wiebke Drenckhan, Denis Weaire +1
The elastic properties of a material with spherical voids of equal volume are analysed using a new model, with particular attention paid to the hexagonal close-packed and the face-…
Elastic properties of solid material with various arrangements of spherical voids
Sascha Heitkam, Wiebke Drenckhan, Thomas Titscher +5
In this work the linear elastic properties of materials containing spherical voids are calculated and compared using finite element simulations. The focus is on homogeneous solid m…
Nanoscale distribution of magnetic anisotropies in bimagnetic soft core-hard shell MnFeO@CoFeO nanoparticles
Niéli Daffé, Marcin Sikora, Mauro Rovezzi +11
The nanoscale distribution of magnetic anisotropies was measured in core@shell MnFeO@CoFeO 7.0 nm particles using a combination of element selective magnetic spectr…
Defects as a factor limiting carrier mobility in WSe2: a spectroscopic investigation
Zhangting Wu, Zhongzhong Luo, Yuting Shen +8
The electrical performance of two dimensional transitional metal dichalcogenides (TMDs) is strongly influenced by the amount of structural defects inside. In this work, we provide…
Interface-Induced Phenomena in Magnetism
Frances Hellman, Axel Hoffmann, Yaroslav Tserkovnyak +24
This article reviews static and dynamic interfacial effects in magnetism, focusing on interfacially-driven magnetic effects and phenomena associated with spin-orbit coupling and in…
Excitonic Emission in Organic-Inorganic Lead Iodide Perovskite Single Crystals
Hiba Diab, Gaëlle Trippé-Allard, Ferdinand Lédée +8
Hybrid perovskite thin films have demonstrated impressive performance for solar energy conversion and optoelectronic applications. However, further progress will benefit from a bet…
Stable topological insulators achieved using high energy electron beams
Lukas Zhao, Marcin Konczykowski, Haiming Deng +9
Topological insulators are transformative quantum solids with immune-to-disorder metallic surface states having Dirac band structure. Ubiquitous charged bulk defects, however, pull…
Why the aspect ratio? Shape equivalence for the extinction spectra of gold nanoparticles
Doru Constantin
We compare the light extinction spectra of elongated gold nanoparticles with different shapes (cylinder, spherocylinder and ellipsoid) and sizes of 10 to 100~nm. We argue that the…
Stress concentration in periodically rough hertzian contact: Hertz to soft-flat-punch transition
Rene Ledesma-Alonso, Elie Raphael, Liliane Leger +2
We report on the elastic contact between a spherical lens and a patterned substrate, composed of an hexagonal lattice of cylindrical pillars. The stress field and the size of the c…
Pressure-induced phonon freezing in the ZnSeS II-VI mixed crystal: phonon-polaritons and ab initio calculations
R. Hajj Hussein, O. Pages, A. Polian +8
Near-forward Raman scattering combined with ab initio phonon and bond length calculations is used to study the phonon-polariton transverse optical modes (with mixed electrical and…
Photovoltaic response around a unique180{\textdegree} ferroelectric domain wall in single crystalline BiFeO3
C Blouzon, J-Y Chauleau, A Mougin +2
Using an experimental setup designed to scan a submicron sized light spot and collect the photogenerated current through larger electrodes, we map the photovoltaic response in ferr…
Magnetic ground state and spin fluctuations in MnGe chiral magnet as studied by Muon Spin Rotation
N. Martin, M. Deutsch, F. Bert +9
We have studied by muon spin resonance (μSR) the helical ground state and fluctuating chiral phase recently observed in the MnGe chiral magnet. At low temperature, the muon polariz…