Accéder directement au contenu

Lorenzo Sponza

27
Documents

Publications

Image document

Structural classification of boron nitride twisted bilayers and ab initio investigation of their stacking-dependent electronic structure

Sylvain Latil , Hakim Amara , Lorenzo Sponza
SciPost Physics, 2023, 14, ⟨10.21468/SciPostPhys.14.3.053⟩
Article dans une revue hal-03962777v2
Image document

Distinguishing Different Stackings in Layered Materials via Luminescence Spectroscopy

Matteo Zanfrognini , Alexandre Plaud , Ingrid Stenger , Frédéric Fossard , Lorenzo Sponza
Physical Review Letters, 2023, 131 (20), pp.206902. ⟨10.1103/physrevlett.131.206902⟩
Article dans une revue hal-04292218v1
Image document

Excitons in bulk black phosphorus evidenced by photoluminescence at low temperature

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

Radiative lifetime of free excitons in hexagonal boron nitride

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

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

Luca Pasquali , Nicola Mahne , Angelo Giglia , Adriano Verna , Lorenzo Sponza
Surfaces and Interfaces, 2021, 4 (1), pp.18 - 30. ⟨10.3390/surfaces4010004⟩
Article dans une revue 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⟩
Article dans une revue hal-02890429v1
Image document

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

Léonard Schué , Lorenzo Sponza , Alexandre Plaud , Hakima Bensalah , Kenji Watanabe
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2019, 122, pp.067401-1 - 0674014. ⟨10.1103/PhysRevLett.122.067401⟩
Article dans une revue hal-02046487v1
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
Nano Letters, 2019, 19 (11), pp.8303-8310. ⟨10.1021/acs.nanolett.9b03928⟩
Article dans une revue hal-02319648v1
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
Communications Physics, 2019, 2 (1), ⟨10.1038/s42005-019-0254-1⟩
Article dans une revue hal-02632903v1
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
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2018, 98 (12), pp.125206. ⟨10.1103/PhysRevB.98.125206⟩
Article dans une revue hal-01820825v1
Image document

Exciton interference in hexagonal boron nitride

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

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

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

Angle-resolved electron energy loss spectroscopy in hexagonal boron nitride

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

Self-energies in itinerant magnets: A focus on Fe and Ni 2

Lorenzo Sponza , Paolo Pisanti , Alena Vishina , Dimitar Pashov , Cedric Weber
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2017, 95 (041112(R)), ⟨10.1103/PhysRevB.95.041112⟩
Article dans une revue hal-01883554v1
Image document

Exciton band structure in two-dimensional materials

Pierluigi Cudazzo , Lorenzo Sponza , Christine Giorgetti , Lucia Reining , Francesco Sottile
Physical Review Letters, 2016, Physical Review Letters, 116, ⟨10.1103/PhysRevLett.116.066803⟩
Article dans une revue hal-01242427v1
Image document

Confinement effects in ultrathin ZnO polymorph films: Electronic and optical properties

Lorenzo Sponza , Jacek Goniakowski , Claudine Noguera
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2016, 93 (19), pp.195435. ⟨10.1103/PhysRevB.93.195435⟩
Article dans une revue hal-01389385v1
Image document

Structural, electronic, and spectral properties of six ZnO bulk polymorphs

Lorenzo Sponza , Jacek Goniakowski , Claudine Noguera
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2015, 91 (7), pp.075126. ⟨10.1103/PhysRevB.91.075126⟩
Article dans une revue hal-01243084v1
Image document

Dynamical effects in electron spectroscopy

Jianqiang Sky Zhou , J. J. Kas , Lorenzo Sponza , Igor Reshetnyak , Matteo Guzzo
Journal of Chemical Physics, 2015, 143 (18), pp.184109. ⟨10.1063/1.4934965⟩
Article dans une revue hal-02264126v1
Image document

Anomalous excitons and screenings unveiling strong electronic correlations in SrTi1−xNbxO3 (0≤x≤0.005)

Pranjal Kumar Gogoi , Lorenzo Sponza , Daniel Schmidt , Teguh Citra Asmara , Caozheng Diao
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2015, 92 (3), pp.035119. ⟨10.1103/PhysRevB.92.035119⟩
Article dans une revue hal-01558404v1
Image document

Multiple satellites in materials with complex plasmon spectra: From graphite to graphene

Matteo Guzzo , Joshua J. Kas , Lorenzo Sponza , Christine Giorgetti , Francesco Sottile
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2014, 89, pp.085425. ⟨10.1103/PhysRevB.89.085425⟩
Article dans une revue hal-01011562v1

Role of localized electrons in electron-hole interaction: The case of SrTiO3

Lorenzo Sponza , Valérie Véniard , Francesco Sottile , Christine Giorgetti , Lucia Reining
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2013, 87 (23), pp.235102. ⟨10.1103/PhysRevB.87.235102⟩
Article dans une revue hal-00931198v1

Momentum resolved spectroscopy of the dielectric response by TEM

Frederic Fossard , Lorenzo Sponza , Alexandre Plaud , Etienne Gaufrès , Francois Ducastelle
19th International Microscopy Congress, Sep 2018, SYDNEY, Australia
Communication dans un congrès hal-01993821v1
Image document

Soft-X study of buried interfaces in stratified media

N. Mahne , A. Giglia , Lorenzo Sponza , A. Verna , S. Nannarone
Seventh International Conference on Thin Film Physics and Applications, Sep 2010, Shanghai, France. pp.79951S, ⟨10.1117/12.888179⟩
Communication dans un congrès hal-03411511v1