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Loic Le Guyader

Explore the profile of Loic Le Guyader including associated specialties, affiliations and a list of published articles. Areas
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Articles 13
Citations 43
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Recent Articles
1.
Kammerer L, Kammerer G, Gruber M, Grunwald J, Lojewski T, Mercadier L, et al.
ACS Nano . 2024 Dec; 18(51):34596-34605. PMID: 39663771
The tailoring of spin-crossover films has made significant progress over the past decade, mostly motivated by the prospect in technological applications. In contrast to spin-crossover complexes in solution, the investigation...
2.
Thielemann-Kuhn N, Amrhein T, Bronsch W, Jana S, Pontius N, Engel R, et al.
Sci Adv . 2024 Apr; 10(16):eadk9522. PMID: 38630818
A change of orbital state alters the coupling between ions and their surroundings drastically. Orbital excitations are hence key to understand and control interaction of ions. Rare-earth elements with strong...
3.
Engel R, Alexander O, Atak K, Bovensiepen U, Buck J, Carley R, et al.
Struct Dyn . 2023 Oct; 10(5):054501. PMID: 37841290
Free-electron lasers provide bright, ultrashort, and monochromatic x-ray pulses, enabling novel spectroscopic measurements not only with femtosecond temporal resolution: The high fluence of their x-ray pulses can also easily enter...
4.
Le Guyader L, Eschenlohr A, Beye M, Schlotter W, Doring F, Carinan C, et al.
J Synchrotron Radiat . 2023 Mar; 30(Pt 2):284-300. PMID: 36891842
Femtosecond transient soft X-ray absorption spectroscopy (XAS) is a very promising technique that can be employed at X-ray free-electron lasers (FELs) to investigate out-of-equilibrium dynamics for material and energy research....
5.
Hagstrom N, Schneider M, Kerber N, Yaroslavtsev A, Burgos Parra E, Beg M, et al.
J Synchrotron Radiat . 2022 Nov; 29(Pt 6):1454-1464. PMID: 36345754
The advent of X-ray free-electron lasers (XFELs) has revolutionized fundamental science, from atomic to condensed matter physics, from chemistry to biology, giving researchers access to X-rays with unprecedented brightness, coherence...
6.
Mercurio G, Chalupsky J, Nistea I, Schneider M, Hajkova V, Gerasimova N, et al.
Opt Express . 2022 Oct; 30(12):20980-20998. PMID: 36224830
A real-time and accurate characterization of the X-ray beam size is essential to enable a large variety of different experiments at free-electron laser facilities. Typically, ablative imprints are employed to...
7.
Turenne D, Yaroslavtsev A, Wang X, Unikandanuni V, Vaskivskyi I, Schneider M, et al.
Sci Adv . 2022 Apr; 8(13):eabn0523. PMID: 35363518
Magnetic nanoparticles such as FePt in the L1 phase are the bedrock of our current data storage technology. As the grains become smaller to keep up with technological demands, the...
8.
Khubbutdinov R, Gerasimova N, Mercurio G, Assalauova D, Carnis J, Gelisio L, et al.
Struct Dyn . 2021 Sep; 8(4):044305. PMID: 34476285
Second-order intensity interferometry was employed to study the spatial and temporal properties of the European X-ray Free-Electron Laser (EuXFEL). Measurements were performed at the soft x-ray Self-Amplified Spontaneous Emission (SASE3)...
9.
Higley D, Reid A, Chen Z, Le Guyader L, Hellwig O, Lutman A, et al.
Nat Commun . 2019 Nov; 10(1):5289. PMID: 31754109
Resonant X-ray absorption, where an X-ray photon excites a core electron into an unoccupied valence state, is an essential process in many standard X-ray spectroscopies. With increasing X-ray intensity, the...
10.
Granitzka P, Jal E, Le Guyader L, Savoini M, Higley D, Liu T, et al.
Nano Lett . 2017 Mar; 17(4):2426-2432. PMID: 28272897
Light-matter interaction at the nanoscale in magnetic materials is a topic of intense research in view of potential applications in next-generation high-density magnetic recording. Laser-assisted switching provides a pathway for...