Bernard Hehlen

Université de Montpellier — France

Materials Science · Physical Sciences

21h-index1.5kcitations133works1.02yr avg
OpenAlex↗ORCID↗Google Scholar↗Lab page↗

Accepting Students?

No reports yet. Know if this professor is taking students?

Research Topics

Glass properties and applications(49), Ferroelectric and Piezoelectric Materials(42), Acoustic Wave Resonator Technologies(23), Solid-state spectroscopy and crystallography(21), Material Dynamics and Properties(17)

Publications133 total

Unravelling water anomalies using a percolation approach
2024Open Access
Hyper-Raman scattering from the LO modes of perovskite ferroelectric relaxors
Physical review. B./Physical review. B·2024· 3 citedOpen Access
Evidence of percolation transitions in silica glass under pressure
SPIRE - Sciences Po Institutional REpository·2024
Unusual anharmonicity and hierarchy of relaxational dynamics in 3D hybrid halide perovskites
HAL (Le Centre pour la Communication Scientifique Directe)·2023
Low-frequency lattice dynamics in lead halide hybrid perovskites
SPIRE - Sciences Po Institutional REpository·2022
Electrical conductivity and impedance spectroscopy studies of ceramic (Ba0.8Sr0.2)Ti0.95(Zn1/3Nb2/3)0.05O3 doped with Bi2O3
Solid State Communications·2022· 8 cited
Lattice dynamics in 3D lead halide hybrid perovskites
HAL (Le Centre pour la Communication Scientifique Directe)·2022
Low-frequency Vibrational Spectroscopy of Glasses
WORLD SCIENTIFIC (EUROPE) eBooks·2022· 1 citedOpen Access
Unusual anharmonicity and pseudospin-phonon dynamics in 3D halide perovskites
2022
Elaboration, structure and mechanical properties of oxynitride glasses from the SiO2-BaO-Al2O3-Si3N4 chemical system
HAL (Le Centre pour la Communication Scientifique Directe)·2022
Volume phase transition in PNIPAM/SWNTs hybrid microgels triggered by near infrared photo-thermal excitation
HAL (Le Centre pour la Communication Scientifique Directe)·2022
A century of structural and vibrational spectroscopy in vitreous silica: A short review
International Journal of Applied Glass Science·2022· 2 cited
Hyper‐Raman scattering study of the soft mode in relaxor ferroelectric (Ba<sub>0.8</sub>Sr<sub>0.2</sub>)<sub>0.925</sub>Bi<sub>0.05</sub>Ti<sub>0.95</sub>(Zn<sub>1/3</sub>Nb<sub>2/3</sub>)<sub>0.05</sub>O<sub>3</sub>
Journal of Raman Spectroscopy·2022· 2 cited
Pseudospin-phonon pretransitional dynamics in lead halide hybrid perovskites
Physical review. B./Physical review. B·2022· 20 citedOpen Access
Pseudospin-phonon dynamics in lead halide hybrid perovskites
2022
Electrical Conductivity and Impedance Spectroscopy Studies of Ceramic (Ba0.8sr0.2)Ti0.95(Zn1/3nb2/3)0.05o3 Doped with Bi2o3
SSRN Electronic Journal·2022Open Access
Verres et vitrocéramiques oxyazotés : Propriétés mécaniques et luminescentes
HAL (Le Centre pour la Communication Scientifique Directe)·2021
Percolation transitions in compressed SiO2 glasses
Nature·2021· 40 citedOpen Access
Importance of lattice softness and phonon anharmonicity for the optoelectronic properties of 3D, 2D and 0D halide perovskites
HAL (Le Centre pour la Communication Scientifique Directe)·2021
DFTB study of silica glass under pressure (figures/samples trajectories)
Zenodo (CERN European Organization for Nuclear Research)·2021Open Access
page 1 of 7Next →

Frequent Co-authors

E. Courtens(21), A. Al-Zein(9), A. K. Tagantsev(8), R. Vacher(7), R. Currat(7), Marie Foret(6), J. Hlinka(6), Jérôme Rouquette(6), Ludovic Arzel(5), A. Yamanaka(4), Kuon Inoue(4), Benoît Rufflé(4), Emmanuel Farhi(4), L. A. Boatner(4), Julien Haines(4), H. Khemakhem(4), Yuya Inaba(3), Daniel R. Neuville(3), B. Hennion(3), Simona Ispas(3)