LACUS PUBLICATIONS

2022

Hard X-ray helical dichroism of disordered molecular media

J. R. Rouxel; B. Roesner; D. Karpov; C. Bacellar; G. F. Mancini et al. 

Nature Photonics. 2022-07-04. DOI : 10.1038/s41566-022-01022-x.

Ultrafast X-ray Spectroscopy of Haem Proteins

C. Bacellar; M. Chergui 

Chimia. 2022-06-01. Vol. 76, num. 6, p. 538-545. DOI : 10.2533/chimia.2022.538.

Chiral control of spin-crossover dynamics in Fe (II) complexes

M. Oppermann; F. Zinna; J. Lacour; M. Chergui 

Nature Chemistry. 2022-05-26. DOI : 10.1038/s41557-022-00933-0.

Atomic-Level Description of Thermal Fluctuations in Inorganic LeadHalide Perovskites

O. Cannelli; J. Wiktor; N. Colonna; L. Leroy; M. Puppin et al. 

Journal Of Physical Chemistry Letters. 2022-04-21. Vol. 13, num. 15, p. 3382-3391. DOI : 10.1021/acs.jpclett.2c00281.

Exciton decay mechanism in DNA single strands: back-electron transfer and ultrafast base motions

B. Bauer; R. Sharma; M. Chergui; M. Oppermann 

Chemical Science. 2022-04-19. Vol. 13, num. 18, p. 5230-5242. DOI : 10.1039/d1sc06450a.

Disentangling Light- and Temperature-Induced Thermal Effects in Colloidal Au Nanoparticles

L. Wang; D. Zare; T. H. Chow; J. Wang; M. Magnozzi et al. 

Journal Of Physical Chemistry C. 2022-02-24. Vol. 126, num. 7, p. 3591-3599. DOI : 10.1021/acs.jpcc.1c10747.

Carbon K-edge x-ray emission spectroscopy of gas phase ethylenic molecules

R. A. Ingle; A. Banerjee; C. Bacellar; T. R. Barillot; L. Longetti et al. 

Journal Of Physics B-Atomic Molecular And Optical Physics. 2022-02-16. Vol. 55, num. 4, p. 044001. DOI : 10.1088/1361-6455/ac4e66.

Nanoscale-Resolved Surface-to-Bulk Electron Transport in CsPbBr3 Perovskite

S. Polishchuk; M. Puppin; A. Crepaldi; G. Gatti; D. N. Dirin et al. 

Nano Letters. 2022-01-19. DOI : 10.1021/acs.nanolett.1c03941.

2021

Ultrafast photoelectron spectroscopy of photoexcited aqueous ferrioxalate

L. Longetti; T. R. Barillot; M. Puppin; J. Ojeda; L. Poletto et al. 

Physical Chemistry Chemical Physics. 2021-10-21. Vol. 23, num. 44, p. 25308-25316. DOI : 10.1039/d1cp02872c.

Broadband visible two-dimensional spectroscopy of molecular dyes

L. Mewes; R. A. Ingle; A. Al Haddad; M. Chergui 

Journal Of Chemical Physics. 2021-07-21. Vol. 155, num. 3, p. 034201. DOI : 10.1063/5.0053554.

Quantifying Photoinduced Polaronic Distortions in Inorganic Lead Halide Perovskite Nanocrystals

O. Cannelli; N. Colonna; M. Puppin; T. C. Rossi; D. Kinschel et al. 

Journal Of The American Chemical Society. 2021-06-23. Vol. 143, num. 24, p. 9048-9059. DOI : 10.1021/jacs.1c02403.

Femtosecond X-ray spectroscopy of haem proteins

C. Bacellar; D. Kinschel; O. Cannelli; B. Sorokin; T. Katayama et al. 

Faraday Discussions. 2021-05-01. Vol. 228, p. 312-328. DOI : 10.1039/d0fd00131g.

Hard X-ray transient grating spectroscopy on bismuth germanate

J. R. Rouxel; D. Fainozzi; R. Mankowsky; B. Rosner; G. Seniutinas et al. 

Nature Photonics. 2021-04-22. Vol. 15, p. 499–503. DOI : 10.1038/s41566-021-00797-9.

Strain wave pathway to semiconductor-to-metal transition revealed by time-resolved X-ray powder diffraction

C. Mariette; M. Lorenc; H. Cailleau; E. Collet; L. Guerin et al. 

Nature Communications. 2021-02-23. Vol. 12, num. 1, p. 1239. DOI : 10.1038/s41467-021-21316-y.

2020

Radial Spin Texture of the Weyl Fermions in Chiral Tellurium

G. Gatti; D. Gosalbez-Martinez; S. S. Tsirkin; M. Fanciulli; M. Puppin et al. 

Physical Review Letters. 2020-11-19. Vol. 125, num. 21, p. 216402. DOI : 10.1103/PhysRevLett.125.216402.

A compact and cost-effective hard X-ray free-electron laser driven by a high-brightness and low-energy electron beam

E. Prat; R. Abela; M. Aiba; A. Alarcon; J. Alex et al. 

Nature Photonics. 2020-11-09. Vol. 14, p. 748–754. DOI : 10.1038/s41566-020-00712-8.

Slow Charge Carrier Relaxation in Gold Nanoparticles

L. Wang; T. Rossi; M. Oppermann; B. Bauer; L. Mewes et al. 

Journal Of Physical Chemistry C. 2020-11-05. Vol. 124, num. 44, p. 24322-24330. DOI : 10.1021/acs.jpcc.0c07755.

Launching Structural Dynamics

M. Chergui 

Structural Dynamics-Us. 2020-11-01. Vol. 7, num. 6, p. 060401. DOI : 10.1063/4.0000063.

Ultrafast Intersystem Crossing and Structural Dynamics of [Pt(ppy)(mu-(t)Bu(2)pz)](2)

L. Mewes; R. A. Ingle; S. Megow; H. Boehnke; E. Baranoff et al. 

Inorganic Chemistry. 2020-10-19. Vol. 59, num. 20, p. 14643-14653. DOI : 10.1021/acs.inorgchem.0c00902.

Energy relaxation pathways between light-matter states revealed by coherent two-dimensional spectroscopy

L. Mewes; M. Wang; R. A. Ingle; K. Borjesson; M. Chergui 

Communications Physics. 2020-09-11. Vol. 3, num. 1, p. 157. DOI : 10.1038/s42005-020-00424-z.

Giant Exciton Mott Density in Anatase TiO2

E. Baldini; T. Palmieri; A. Dominguez; A. Rubio; M. Chergui 

Physical Review Letters. 2020-09-10. Vol. 125, num. 11, p. 116403. DOI : 10.1103/PhysRevLett.125.116403.

Spin cascade and doming in ferric hemes: Femtosecond X-ray absorption and X-ray emission studies

C. Bacellar; D. Kinschel; G. F. Mancini; R. A. Ingle; J. Rouxel et al. 

Proceedings Of The National Academy Of Sciences Of The United States Of America. 2020-09-08. Vol. 117, num. 36, p. 21914-21920. DOI : 10.1073/pnas.2004490117.

Femtosecond X-ray emission study of the spin cross-over dynamics in haem proteins

D. Kinschel; C. Bacellar; O. Cannelli; B. Sorokin; T. Katayama et al. 

Nature Communications. 2020-08-18. Vol. 11, num. 1, p. 4145. DOI : 10.1038/s41467-020-17923-w.

Light-Induced Renormalization of the Dirac Quasiparticles in the Nodal-Line Semimetal ZrSiSe

G. Gatti; A. Crepaldi; M. Puppin; N. Tancogne-Dejean; L. Xian et al. 

Physical Review Letters. 2020-08-12. Vol. 125, num. 7, p. 076401. DOI : 10.1103/PhysRevLett.125.076401.

Evidence of Large Polarons in Photoemission Band Mapping of the Perovskite Semiconductor CsPbBr3

M. Puppin; S. Polishchuk; N. Colonna; A. Crepaldi; D. N. Dirin et al. 

Physical Review Letters. 2020-05-20. Vol. 124, num. 20, p. 206402. DOI : 10.1103/PhysRevLett.124.206402.

X-ray absorption linear dichroism at the Ti K-edge of rutile (001) TiO2 single crystal

T. C. Rossi; D. Grolimund; O. Cannelli; G. F. Mancini; C. Bacellar et al. 

Journal Of Synchrotron Radiation. 2020-03-01. Vol. 27, p. 425-435. DOI : 10.1107/S160057752000051X.

Photoemission from non-polar aromatic molecules in the gas and liquid phase

L. Longetti; M. Randulova; J. Ojeda; L. Mewes; L. Miseikis et al. 

Physical Chemistry Chemical Physics. 2020-02-21. Vol. 22, num. 7, p. 3965-3974. DOI : 10.1039/c9cp06799j.

Mahan excitons in room-temperature methylammonium lead bromide perovskites

T. Palmieri; E. Baldini; A. Steinhoff; A. Akrap; M. Kollar et al. 

Nature Communications. 2020-02-12. Vol. 11, num. 1, p. 850. DOI : 10.1038/s41467-020-14683-5.

2019

A multi-scale time-resolved study of photoactivated dynamics in 5-benzyl uracil, a model for DNA/protein interactions

M. Valadan; E. Pomarico; B. Della Ventura; F. Gesuele; R. Velotta et al. 

Physical Chemistry Chemical Physics. 2019-12-28. Vol. 48, num. 21, p. 26301-26310. DOI : 10.1039/C9CP03839F.

X-ray absorption linear dichroism at the Ti K edge of anatase TiO2 single crystals

T. C. Rossi; D. Grolimund; M. Nachtegaal; O. Cannelli; G. F. Mancini et al. 

Physical Review B. 2019-12-20. Vol. 100, num. 24, p. 245207. DOI : 10.1103/PhysRevB.100.245207.

Toward time-resolved laser T-jump/X-ray probe spectroscopy in aqueous solutions

O. Cannelli; C. Bacellar; R. A. Ingle; R. Bohinc; D. Kinschel et al. 

Structural Dynamics-Us. 2019-11-01. Vol. 6, num. 6, p. 064303. DOI : 10.1063/1.5129626.

Exciton control in a room temperature bulk semiconductor with coherent strain pulses

E. Baldini; A. Dominguez; T. Palmieri; O. Cannelli; A. Rubio et al. 

Science Advances. 2019-11-01. Vol. 5, num. 11, p. eaax2937. DOI : 10.1126/sciadv.aax2937.

Broad-Band Ultraviolet CD Spectroscopy of Ultrafast Peptide Backbone Conformational Dynamics

M. Oppermann; J. Spekowius; B. Bauer; R. Pfister; M. Chergui et al. 

Journal Of Physical Chemistry Letters. 2019-06-06. Vol. 10, num. 11, p. 2700-2705. DOI : 10.1021/acs.jpclett.9b01253.

Photocarrier-induced band-gap renormalization and ultrafast charge dynamics in black phosphorus

S. Roth; A. Crepaldi; M. Puppin; G. Gatti; D. Bugini et al. 

2D Materials. 2019-04-09. Vol. 6, num. 3, p. 031001. DOI : 10.1088/2053-1583/ab1216.

Ultrafast Broadband Fluorescence Up-conversion Study of the Electronic Relaxation of Metalloporphyrins

O. Bram; A. Cannizzo; M. Chergui 

Journal Of Physical Chemistry A. 2019-02-21. Vol. 123, num. 7, p. 1461-1468. DOI : 10.1021/acs.jpca.9b00007.

Towards X-ray transient grating spectroscopy

C. Svetina; R. Mankowsky; G. Knopp; F. Koch; G. Seniutinas et al. 

Optics Letters. 2019-02-01. Vol. 44, num. 3, p. 574-577. DOI : 10.1364/OL.44.000574.

Ultrafast broadband circular dichroism in the deep ultraviolet

M. Oppermann; B. Bauer; T. Rossi; F. Zinna; J. Helbing et al. 

Optica. 2019-01-20. Vol. 6, num. 1, p. 56-60. DOI : 10.1364/OPTICA.6.000056.

2018

A Legacy in Chemistry

M. Chergui; D. Zhong 

Chem. 2018-10-11. Vol. 4, num. 10, p. 2242-2249. DOI : 10.1016/j.chempr.2018.09.006.

Photophysical Heavy-Atom Effect in Iodinated Metallocorroles: Spin-Orbit Coupling and Density of States

E. Pomarico; P. Pospisil; M. E. F. Bouduban; J. Vestfrid; Z. Gross et al. 

Journal Of Physical Chemistry A. 2018-09-20. Vol. 122, num. 37, p. 7256-7266. DOI : 10.1021/acs.jpca.8b05311.

Dynamic multiple-scattering treatment of X-ray absorption: Parameterization of a new molecular dynamics force field for myoglobin

G. Chillemi; M. Anselmi; N. Sanna; C. Padrin; L. Balducci et al. 

Structural Dynamics. 2018-09-01. Vol. 5, num. 5, p. 054101. DOI : 10.1063/1.5031806.

Phonon-Driven Selective Modulation of Exciton Oscillator Strengths in Anatase TiO2Nanoparticles

E. Baldini; T. Palmieri; T. Rossi; M. Oppermann; E. Pomarico et al. 

Nano Letters. 2018-07-24. Vol. 18, num. 8, p. 5007-5014. DOI : 10.1021/acs.nanolett.8b01837.

Vibrational coherence transfer in the ultrafast intersystem crossing of a diplatinum complex in solution

R. Monni; G. Capano; G. Aubock; H. Gray; A. Vlcek et al. 

Proceedings of the National Academy of Sciences of the United States of America. 2018. Vol. 115, num. 28, p. E6396-E6403. DOI : 10.1073/pnas.1719899115.

Ultrafast X-Ray Spectroscopy of Conical Intersections

S. Neville; M. Chergui; A. Stolow; M. Schuurman 

Physical Review Letters. 2018. Vol. 120, num. 24, p. 243001. DOI : 10.1103/PhysRevLett.120.243001.

Ultrafast photophysics and photochemistry of iron hexacyanides in solution: Infrared to X-ray spectroscopic studies

M. Chergui 

COORDINATION CHEMISTRY REVIEWS. 2018. Vol. 372, p. 52-65. DOI : 10.1016/j.ccr.2018.05.021.

Revealing hole trapping in zinc oxide nanoparticles by time-resolved X-ray spectroscopy

T. Penfold; J. Szlachetko; F. Santomauro; A. Britz; W. Gawelda et al. 

Nature Communications. 2018. Vol. 9, p. 478. DOI : 10.1038/s41467-018-02870-4.

RETRACTION: On the enzymatic activity of catalase: an iron L-edge X-ray absorption study of the active centre (Retraction of Vol 12, Pg 4827, 2010)

N. Bergmann; S. Bonhommeau; K. Lange; S. Greil; S. Eisebitt et al. 

Physical Chemistry Chemical Physics. 2018. Vol. 20, num. 23, p. 16294-16294. DOI : 10.1039/c8cp91772h.

Hydrophobic interactions of sucralose with protein structures

N. Shukla; E. Pomarico; C. Hecht; E. Taylor; M. Chergui et al. 

ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS. 2018. Vol. 639, p. 38-43. DOI : 10.1016/j.abb.2017.12.013.

Clocking the Ultrafast Electron Cooling in Anatase Titanium Dioxide Nanoparticles

E. Baldini; T. Palmieri; E. Pomarico; G. Aubock; M. Chergui 

ACS PHOTONICS. 2018. Vol. 5, num. 4, p. 1241-1249. DOI : 10.1021/acsphotonics.7b00945.

Publisher’s Note: “Implications of short time scale dynamics on long time processes” (Struct. Dyn. 4, 061507 (2017)]

K. El Hage; S. Brickel; S. Hermelin; G. Gaulier; C. Schmidt et al. 

Structural Dynamics. 2018-01-01. Vol. 5, num. 1, p. 019901. DOI : 10.1063/1.5020803.

2017

Time-resolved Element-selective Probing of Charge Carriers in Solar Materials

J. Budarz; F. G. Santomauro; M. H. Rittmann-Frank; C. J. Milne; T. Huthwelker et al. 

CHIMIA International Journal for Chemistry. 2017-11-01. Vol. 71, num. 11, p. 768-772. DOI : 10.2533/chimia.2017.768.

Interfacial Electron Injection Probed by a Substrate-Specific Excitonic Signature

E. Baldini; T. Palmieri; T. Rossi; M. Oppermann; E. Pomarico et al. 

Journal of the American Chemical Society. 2017-08-01. Vol. 139, num. 33, p. 11584-11589. DOI : 10.1021/jacs.7b06322.

Anomalous anisotropic exciton temperature dependence in rutile TiO2

E. Baldini; A. Dominguez; L. Chiodo; E. Sheveleva; M. Yazdi-Rizi et al. 

Physical Review B. 2017-07-19. Vol. 96, num. 4, p. 041204. DOI : 10.1103/PhysRevB.96.041204.

Implications of short time scale dynamics on long time processes

K. El Hage; S. Brickel; S. Hermelin; G. Gaulier; C. Schmidt et al. 

Structural Dynamics. 2017. Vol. 4, num. 6, p. 061507. DOI : 10.1063/1.4996448.

Nonadiabatic effects in electronic and nuclear dynamics

M. P. Bircher; E. Liberatore; N. J. Browning; S. Brickel; C. Hofmann et al. 

Structural Dynamics. 2017. Vol. 4, num. 6, p. 061510. DOI : 10.1063/1.4996816.

Charge migration and charge transfer in molecular systems

H. J. Wörner; C. A. Arrell; N. Banerji; A. Cannizzo; M. Chergui et al. 

Structural Dynamics. 2017. Vol. 4, num. 6, p. 061508. DOI : 10.1063/1.4996505.

Photoemission and photoionization time delays and rates

L. Gallmann; I. Jordan; H. J. Wörner; L. Castiglioni; M. Hengsberger et al. 

Structural Dynamics. 2017. Vol. 4, num. 6, p. 061502. DOI : 10.1063/1.4997175.

Charge separation and carrier dynamics in donor-acceptor heterojunction photovoltaic systems

J. Teuscher; J. C. Brauer; A. Stepanov; A. Solano; A. Boziki et al. 

Structural Dynamics. 2017. Vol. 4, num. 6, p. 061503. DOI : 10.1063/1.4996409.

From structure to structural dynamics: Ahmed Zewail’s legacy

M. Chergui; J. M. Thomas 

Structural Dynamics. 2017. Vol. 4, num. 4, p. 043802. DOI : 10.1063/1.4998243.

Preface to Special Topic: Ultrafast Structural Dynamics-A Tribute to Ahmed H. Zewail

M. Chergui 

Structural Dynamics. 2017. Vol. 4, num. 4, p. 043801. DOI : 10.1063/1.4998273.

The Lausanne Centre for Ultrafast Science (LACUS)

M. Chergui 

Chimia. 2017. Vol. 71, num. 5, p. A265-A265.

Harmonium: An Ultrafast Vacuum Ultraviolet Facility

C. A. Arrell; J. Ojeda; L. Longetti; A. Crepaldi; S. Roth et al. 

Chimia. 2017. Vol. 71, num. 5, p. 268-272. DOI : 10.2533/chimia.2017.268.

Charge-transfer and impulsive electronic-to-vibrational energy conversion in ferricyanide: ultrafast photoelectron and transient infrared studies’

J. Ojeda; C. A. Arrell; L. Longetti; M. Chergui; J. Helbing 

Physical Chemistry Chemical Physics. 2017. Vol. 19, num. 26, p. 17052-17062. DOI : 10.1039/c7cp03337k.

Photophysics of a copper phenanthroline elucidated by trajectory and wavepacket-based quantum dynamics: a synergetic approach

G. Capano; T. J. Penfold; M. Chergui; I. Tavernelli 

Physical Chemistry Chemical Physics. 2017. Vol. 19, num. 30, p. 19590-19600. DOI : 10.1039/c7cp00436b.

Conservation of vibrational coherence in ultrafast electronic relaxation: The case of diplatinum complexes in solution

R. Monni; G. Aubock; D. Kinschel; K. M. Aziz-Lange; H. B. Gray et al. 

Chemical Physics Letters. 2017. Vol. 683, p. 112-120. DOI : 10.1016/j.cplett.2017.02.071.

Photoaquation Mechanism of Hexacyanoferrate(II) Ions: Ultrafast 2D UV and Transient Visible and IR Spectroscopies

M. Reinhard; G. Auboeck; N. A. Besley; I. P. Clark; G. M. Greetham et al. 

Journal Of The American Chemical Society. 2017. Vol. 139, num. 21, p. 7335-7347. DOI : 10.1021/jacs.7b02769.

Localized holes and delocalized electrons in photoexcited inorganic perovskites: Watching each atomic actor by picosecond X-ray absorption spectroscopy

F. G. Santomauro; J. Grilj; L. Mewes; G. Nedelcu; S. Yakunin et al. 

Structural Dynamics. 2017. Vol. 4, num. 4, p. 044002. DOI : 10.1063/1.4971999.

Strongly bound excitons in anatase TiO2 single crystals and nanoparticles

E. Baldini; L. Chiodo; A. Dominguez; M. Palummo; S. Moser et al. 

Nature Communications. 2017. Vol. 8, p. 13. DOI : 10.1038/s41467-017-00016-6.

2016

Beyond structure: ultrafast X-ray absorption spectroscopy as a probe of non-adiabatic wavepacket dynamics

S. P. Neville; V. Averbukh; S. Patchkovskii; M. Ruberti; R. Yun et al. 

Faraday Discussions. 2016. Vol. 194, p. 117-145. DOI : 10.1039/c6fd00117c.

Excited state X-ray absorption spectroscopy: Probing both electronic and structural dynamics

S. P. Neville; V. Averbukh; M. Ruberti; R. Yun; S. Patchkovskii et al. 

Journal Of Chemical Physics. 2016. Vol. 145, num. 14, p. 144307. DOI : 10.1063/1.4964369.

Ahmed Hassan Zewail OBITUARY

M. Chergui 

Physics Today. 2016. Vol. 69, num. 12, p. 69-70. DOI : 10.1063/Pt.3.3406.

2010

Ultrafast Electronic and Structural Phenomena in Graphite and Graphene

F. Carbone; O. Kwon; A. Cannizzo; F. Van Mourik; M. Chergui et al. 

Microscopy and Microanalysis. 2010. Vol. 16, num. S2, p. 494-495. DOI : 10.1017/S1431927610053882.