An STM Perspective on Hexaborides: Surface States of the Kondo Insulator SmB6

S Wirth, P Schlottmann - Advanced Quantum Technologies, 2021 - Wiley Online Library
Compounds within the hexaboride class of materials exhibit a wide variety of interesting
physical phenomena, including polaron formation and quadrupolar order. In particular …

Low temperature atomic-scale observations of slip traces in niobium

B Douat, J Bonneville, M Drouet, L Vernisse… - Scripta Materialia, 2020 - Elsevier
Slip traces in body-centred cubic single crystals usually correspond to various slip planes
and even, in the case of wavy slip traces, to none identifiable crystallographic slip planes …

Atomic-scale insight into non-crystallographic slip traces in body-centred cubic crystals

B Douat, C Coupeau, J Bonneville, M Drouet… - Scripta Materialia, 2019 - Elsevier
At low and moderate temperatures, dislocation motion propagates plastic flow in crystals
through the shearing of dense crystallographic planes by an elementary translation. Almost …

Influence of terrace widths on Au (111) reconstruction

D Chauraud, J Durinck, M Drouet, L Vernisse… - Physical Review B, 2017 - APS
The effect of steps on the herringbone pattern appearing at the Au (111) surface is explored.
Scanning tunneling microscopy investigations show that the number of alternating fcc and …

Screw dislocation dipoles in niobium: combination of STM observations and atomistic simulations

J Bonneville, C Coupeau, J Douin… - … and Simulation in …, 2024 - iopscience.iop.org
We recently developed an experimental device that allows us to observe the slip traces
under stress at the atomic scale. Here, we report experimental results obtained at the latter …

Scanning probe microscopy in materials science

BD Huey, J Luria, DA Bonnell - Springer Handbook of Microscopy, 2019 - Springer
The advent of scanning probe microscopy () revolutionized surface science in the 1980s and
facilitated the nanotechnology revolution in the ensuing decades. First scanning tunneling …

What can be learnt on the yield stress anomaly of Ni3Al using AFM observations

J Michel, C Coupeau, Y Nahas, M Drouet, J Bonneville - Intermetallics, 2014 - Elsevier
We examined by in situ scanning probe microscopy the slip traces at the free surface of Ni 3
(Al, Ta) single crystals deformed in ultra high vacuum environment at various temperatures …

Kinetics of anticrossing between slip traces and vicinal steps on crystal surfaces

C Coupeau, DM Kazantsev, M Drouet, VL Alperovich - Acta Materialia, 2019 - Elsevier
The interaction between vicinal atomic steps and slip traces–straight monatomic steps
produced on a crystal surface by the emergence of dislocations–is experimentally …

Atomic reconstruction of niobium (111) surfaces

C Coupeau, J Durinck, M Drouet, B Douat, J Bonneville… - Surface Science, 2015 - Elsevier
The {111} surface of niobium single crystals has been investigated by ultra-high vacuum
scanning tunneling microscopy. An atomic reconstruction has been experimentally observed …

Slip-trace-induced vicinal step destabilization

C Coupeau, O Camara, M Drouet, J Durinck… - Physical Review B, 2016 - APS
Gold single crystals were deformed by uniaxial compression tests with the help of an
experimental apparatus that allows one to characterize in situ, by UHV scanning tunneling …