123 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR76 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR75 papers
- École Nationale Supérieure d'Ingénieurs de CaenFR50 papers
- Université de Caen NormandieFR42 papers
- Normandie UniversitéFR23 papers
- Grand Accélérateur National d'Ions LourdsFR20 papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR12 papers
- Laboratoire de Physique Corpusculaire de CaenFR12 papers
- University of Duisburg-EssenDE8 papers
- Pontifícia Universidade Católica do Rio de JaneiroBR6 papers
- Universidade do Vale do ParaíbaBR6 papers
- Université de BordeauxFR6 papers
22 papers · 1 filter
Growth mechanisms of GaN/GaAs nanostructures by droplet epitaxy explained by complementary experiments and simulations
Guy Tsamo, Alla G. Nastovjak, Nataliya L. Shwartz +9
In this work, we present conception and study of gallium nitride (GaN) nanostructures on a gallium arsenide (GaAs) substrate with (111)A orientation. The nanostructures were design…
Mass transport via in-plane nanopores in graphene oxide membranes
Tobias Foller, Lukas Madauss, Dali Ji +8
Angstrom confined solvents in two-dimensional laminates travel through interlayer spacings, gaps between adjacent sheets, and via in plane pores. Among these, experimental access t…
Fundamental Phenomena and Applications of Swift Heavy Ion Irradiations
Maik Lang, Flyura Djurabekova, Nikita Medvedev +2
This review concentrates on the specific properties and characteristics of damage structures generated with high-energy ions in the electronic energy loss regime. Irradiation exper…
The Nitrogen concentration effect on Ce doped SiOxNy emission: towards optimized Ce3+ for DEL applications
F Ehré, C. Labbé, C Dufour +9
Ce-doped SiO x N y films are deposited by magnetron reactive sputtering from a CeO 2 target under nitrogen reactive gas atmosphere. Visible photoluminescence measurements regarding…
Structural and emission properties of Tb3+-doped nitrogen-rich silicon oxynitride films
Christophe Labbe, Yong-Tao An, Grzegorz Zatryb +6
Terbium doped silicon oxynitride host matrix is suitable for various applications such as light emitters compatible with CMOS technology or frequency converter systems for photovol…
Radiolysis of water confined in porous silica: A simulation study of the physicochemical yields
H. Ouerdane, B. Gervais, H. Zhou +2
We investigate the radiolysis of liquid water confined in a porous silica matrix by means of an event-by-event Monte Carlo simulation of electron penetration in this composite syst…
SiNx:Tb3+--Yb3+, an efficient down-conversion layer compatible with a silicon solar cell process
Lucile Dumont, Julien Cardin, Patrizio Benzo +6
SiN x : Tb 3+-Yb 3+, an efficient down-conversion layer compatible with silicon solar cell process Abstract Tb 3+-Yb 3+ co-doped SiN x down-conversion layers compatible with silico…
Nanostructuring Graphene by Dense Electronic Excitation
O. Ochedowski, O. Lehtinen, U. Kaiser +6
The ability to manufacture tailored graphene nanostructures is a key factor to fully exploit its enormous technological potential. We have investigated nanostructures created in gr…
Kondo effect goes anisotropic in vanadate oxide superlattices
Hélène Rotella, Alain Pautrat, Olivier Copie +5
We study the transport properties in SrVO3/LaVO3 (SVO/LVO) superlattices deposited on SrTiO3 (STO) substrates. We show that the electronic conduction occurs in the metallic LVO lay…
Growth of CaMnO Ruddlesden-Popper structured thin films using Combinatorial Substrate Epitaxy
M. Lacotte, A. David, D. Pravarthana +6
The local epitaxial growth of pulsed laser deposited CaMnO films on polycrystalline spark plasma sintered SrTiO substrates was investigated to determine phase forma…
High In-content InGaN layers synthesized by plasma-assisted molecular-beam epitaxy: growth conditions, strain relaxation and In incorporation kinetics
S. Valdueza-Felip, E. Bellet-Amalric, A. Núñez-Cascajero +7
We report the interplay between In incorporation and strain relaxation kinetics in high-In-content InxGa1-xN (x = 0.3) layers grown by plasma-assisted molecular-beam epitaxy. For I…
Optical characterization of PZT thin films for waveguide applications
Julien Cardin, Dominique Leduc, Thomas Schneider +3
In order to develop an electro-optic waveguide, Pb(Zr, Ti)O3 ceramic ferroelectric thin films were elaborated by a modified sol-gel process on glass substrate. In the aim to study…
Two components for one resistivity in LaVO3/SrTiO3 heterostructures
Helene Rotella, Olivier Copie, Alain Pautrat +6
A series of 100 nm LaVO3 thin films have been synthesized on (001)-oriented SrTiO3 substrates using the pulsed laser deposition technique, and the effects of growth temperature are…
Structural analysis of strained LaVO thin films
H. Rotella, O. Copie, G. Mouillard-Steciuk +10
While structure refinement is routinely achieved for simple bulk materials, the accurate structural determination still poses challenges for thin films due on the one hand to the s…
Energy deposition by heavy ions: Additivity of kinetic and potential energy contributions in hillock formation on CaF2
Y. Y. Wang, C. Grygiel, C. Dufour +17
The formation of nano-hillocks on CaF2 crystal surfaces by individual ion impact has been studied using medium energy (3 and 5 MeV) highly charged ions (Xe19+ to Xe30+) as well as…
Damage in graphene due to electronic excitation induced by highly charged ions
J. Hopster, R. Kozubek, B. Ban-d'Etat +3
Graphene is expected to be rather insensitive to ionizing particle radiation. We demonstrate that single layers of exfoliated graphene sustain significant damage from irradiation w…
Detecting swift heavy ion irradiation effects with graphene
O. Ochedowski, S. Akcöltekin, B. Ban d`Etat +2
In this paper we show how single layer graphene can be utilized to study swift heavy ion (SHI) modifications on various substrates. The samples were prepared by mechanical exfoliat…
Manipulation of the graphene surface potential by ion irradiation
O. Ochedowski, B. Kleine Bussmann, B. Ban d'Etat +2
We show that the work function of exfoliated single layer graphene can be modified by irradiation with swift (E_{kin}=92 MeV) heavy ions under glancing angles of incidence. Upon io…
Online in-situ X-ray diffraction setup for structural modification studies during swift heavy ion irradiation
C. Grygiel, H. Lebius, S. Bouffard +8
The high energy density of electronic excitations due to the impact of swift heavy ions can induce structural modifications in materials. We present a X-ray diffractometer called A…
Defect evolution and interplay in n-type InN
Christian Rauch, Filip Tuomisto, Arantxa Vilalta-Clemente +5
The nature and interplay of intrinsic point and extended defects in n-type Si-doped InN epilayers with free carrier concentrations up to 6.6x10E20cm-3 are studied using positron an…
Ion-matter interaction: the three dimensional version of the thermal spike model. Application to nanoparticle irradiation with swift heavy ions
Ch. Dufour, V. Khomenkov, G. Rizza +1
In the framework of swift heavy ion - matter interaction, the thermal spike has proved its worth since nearly two decades. This paper deals with the necessary refinement of the com…
Swift heavy ion irradiation of SrTiO under grazing incidence
Ender Akcoeltekin, Sevilay Akcoeltekin, Orkhan Osmani +2
The irradiation of SrTiO single crystals with swift heavy ions leads to modifications of the surface. The details of the morphology of these modifications depends strongly on t…