Search - ONERA - Office national d'études et de recherches aérospatiales Access content directly

Filter your results

15 Results
authIdHal_s : lorenzosponza
Image document

Bright Luminescence from Indirect and Strongly Bound Excitons in h-BN

Léonard Schué , Lorenzo Sponza , Alexandre Plaud , Hakima Bensalah , Kenji Watanabe et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2019, 122, pp.067401-1 - 0674014. ⟨10.1103/PhysRevLett.122.067401⟩
Journal articles hal-02046487v1
Image document

Excitons in bulk black phosphorus evidenced by photoluminescence at low temperature

E Carré , L Sponza , A Lusson , I Stenger , Étienne Gaufrès et al.
2D Materials, 2021, 8 (2), pp.021001. ⟨10.1088/2053-1583/abca81⟩
Journal articles hal-03049496v1
Image document

Direct and indirect excitons in boron nitride polymorphs: a story of atomic configuration and electronic correlation

Lorenzo Sponza , Hakim Amara , Claudio Attaccalite , Sylvain Latil , Thomas Galvani et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2018, 98 (12), pp.125206. ⟨10.1103/PhysRevB.98.125206⟩
Journal articles hal-01820825v1
Image document

Radiative lifetime of free excitons in hexagonal boron nitride

Sébastien Roux , Christophe Arnold , Fulvio Paleari , Lorenzo Sponza , Eli Janzen et al.
Physical Review B, 2021, 104 (16), pp.L161203. ⟨10.1103/PhysRevB.104.L161203⟩
Journal articles hal-03407054v1
Image document

Angular resolved electron energy loss spectroscopy in hexagonal boron nitride

Frédéric Fossard , Lorenzo Sponza , Léonard Schué , Claudio Attaccalite , François Ducastelle et al.
2017
Preprints, Working Papers, ... hal-01439271v2
Image document

Electronic properties of the five principal stackings of boron nitride moiré bilayers

Sylvain Latil , Hakim Amara , Lorenzo Sponza
2022
Preprints, Working Papers, ... hal-03799947v1
Image document

Proper ab-initio dielectric function of 2D materials and their polarizable thickness

Lorenzo Sponza , François Ducastelle
2020
Preprints, Working Papers, ... hal-03411515v1

Momentum resolved spectroscopy of the dielectric response by TEM

Frederic Fossard , Lorenzo Sponza , Alexandre Plaud , Etienne Gaufrès , Francois Ducastelle et al.
19th International Microscopy Congress, Sep 2018, SYDNEY, Australia
Conference papers hal-01993821v1
Image document

Exciton interference in hexagonal boron nitride

Lorenzo Sponza , Hakim Amara , François Ducastelle , Annick Loiseau , Claudio Attaccalite et al.
Physical Review B, 2018, 97 (7), pp.075121. ⟨10.1103/PhysRevB.97.075121⟩
Journal articles hal-01635495v1
Image document

Mapping of the energetically lowest exciton in bulk 1T-HfS2

Carsten Habenicht , Lorenzo Sponza , Roman Schuster , Martin Knupfer , Bernd Büchner et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2018, ⟨10.1103/PhysRevB.98.155204⟩
Journal articles hal-01883557v1
Image document

Analysis of Resonant Soft X-ray Reflectivity of Anisotropic Layered Materials

Luca Pasquali , Nicola Mahne , Angelo Giglia , Adriano Verna , Lorenzo Sponza et al.
Surfaces and Interfaces, 2021, 4 (1), pp.18 - 30. ⟨10.3390/surfaces4010004⟩
Journal articles hal-03132778v1
Image document

Strain and electronic properties at the van der Waals interface of phosphorus/boron nitride heterobilayers

Baptiste Bienvenu , Hakim Amara , François Ducastelle , Lorenzo Sponza
Physical Review B: Condensed Matter (1978-1997), 2020, 102 (3), pp.035415. ⟨10.1103/PhysRevB.102.035415⟩
Journal articles hal-02890429v1
Image document

Evening out the spin and charge parity to increase Tc in Sr 2RuO 4

Swagata Acharya , Dimitar Pashov , Cedric Weber , Hyowon Park , Lorenzo Sponza et al.
Communications Physics, 2019, 2 (1), ⟨10.1038/s42005-019-0254-1⟩
Journal articles hal-02632903v1
Image document

Angle-resolved electron energy loss spectroscopy in hexagonal boron nitride

Frederic Fossard , Lorenzo Sponza , Léonard Schué , Claudio Attaccalite , François Ducastelle et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2017, 96 (11), pp.115304. ⟨10.1103/PhysRevB.96.115304⟩
Journal articles hal-01633518v1
Image document

Momentum-resolved dielectric response of free-standing mono-, bi-and tri- layer black phosphorus

Étienne Gaufrès , Frédéric Fossard , Vincent Gosselin , Lorenzo Sponza , François Ducastelle et al.
Journal articles hal-02319648v1