Výsledky vyhledávání - "Luigi Paolasini"

Autor: Luigi Paolasini, Sergio Di Matteo

Publikováno v: International Tables for Crystallography
International Tables for Crystallography, I, International Union of Crystallography, 2022, ⟨10.1107/S1574870722001550⟩
International Tables for Crystallography ISBN: 9781119433941

International audience; The tensorial interactions of X-rays in crystals are reviewed here, including magnetic effects, both in X-ray absorption and X-ray scattering. After a brief historical description of the development of theoretical concepts and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4cb0049ffb9c510e26ceca0caa08669
https://univ-rennes.hal.science/hal-03943716

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Anisotropy in cubic UO2 caused by electron-lattice interactions

Autor: Daniel Chaney, Roberto Caciuffo, Alexei Bosak, Luigi Paolasini, Gerard H. Lander

Publikováno v: Physical Review B. 104

Despite many years of research, the full complexity of the electron-lattice interactions in ${\mathrm{UO}}_{2}$ is not fully understood. We present x-ray inelastic scattering at low temperature showing that the interaction between electronic degrees

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::049a76a25e66714a8b5db1ff885a460b
https://doi.org/10.1103/physrevb.104.024305

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A new diffractometer for diffuse scattering studies on the ID28 beamline at the ESRF

Autor: Michal Stekiel, D. Gambetti, Björn Winkler, S. M. Souliou, Tra Nguyen-Thanh, Wolfgang Morgenroth, Luigi Paolasini, A. Girard, Alexei Bosak, Arianna Minelli

Publikováno v: Journal of Synchrotron Radiation
Journal of Synchrotron Radiation, International Union of Crystallography, 2019, 26 (1), pp.272-279. ⟨10.1107/S1600577518016132⟩

A new diffractometer is now available to the general user community at the ESRF. The new diffractometer is a side station of the high-resolution inelastic X-ray scattering spectrometer on beamline ID28 and is located in the same experimental hutch. B

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https://doi.org/10.1107/s1600577518016132

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Tuneable correlated disorder in alloys

Autor: Luigi Paolasini, J. Bouchet, Ross S Springell, François Bottin, A. Castellano, Christopher Bell, S. Rennie, G. H. Lander, B. Dorado, D. Chaney, Alexei Bosak

Publikováno v: Chaney, D A, Castellano, A, Bosak, A, Bouchet, J, Bottin, F, Dorado, B, Rennie, S L, Paolasini, L, Bell, C, Springell, R S & Lander, G 2021, ' Tuneable Correlated Disorder in Alloys ', Physical Review Materials, vol. 5, no. 3, 035004 . https://doi.org/10.1103/PhysRevMaterials.5.035004

Understanding the role of disorder and the correlations that exist within it, is one of the defining challenges in contemporary materials science. However, there are few material systems, devoid of other complex interactions, which can be used to sys

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https://doi.org/10.1103/physrevmaterials.5.035004

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Archetypal Soft-Mode-Driven Antipolar Transition in Francisite Cu3Bi(SeO3)2O2Cl

Autor: Jorge Íñiguez, Hugo Aramberri, E. Constable, Mael Guennou, Virginie Simonet, Constance Toulouse, Luigi Paolasini, Alexei Bosak, Helmuth Berger, Sophie de Brion, Cosme Milesi-Brault

Publikováno v: Physical Review Letters. 124

Model materials are precious test cases for elementary theories and provide building blocks for the understanding of more complex cases. Here, we describe the lattice dynamics of the structural phase transition in francisite ${\mathrm{Cu}}_{3}\mathrm

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https://doi.org/10.1103/physrevlett.124.097603

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Archetypal Soft-Mode-Driven Antipolar Transition in Francisite Cu_{3}Bi(SeO_{3})_{2}O_{2}Cl

Autor: Cosme, Milesi-Brault, Constance, Toulouse, Evan, Constable, Hugo, Aramberri, Virginie, Simonet, Sophie, de Brion, Helmuth, Berger, Luigi, Paolasini, Alexei, Bosak, Jorge, Íñiguez, Mael, Guennou

Publikováno v: Physical review letters. 124(9)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::76bdab0929349cb94be4f7ae3e3e6f9b
https://pubmed.ncbi.nlm.nih.gov/32202901

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Multiphonon anharmonicity in MgO an ionic binary compound

Autor: Fei He, Daniele Antonangeli, Ricardo P. S. M. Lobo, Alexei Bosak, Lorenzo Paulatto, Eugenio Calandrini, Luigi Paolasini, P. Giura

Publikováno v: 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).

The anharmonic lattice dynamics of MgO has been studied at ambient conditions and at high temperatures by infrared spectroscopy combined with density functional perturbation theory calculations. The agreement between the measured phonon energies and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3ec496c351da4c8b0af1787aaf52fe26
https://doi.org/10.1109/irmmw-thz.2019.8874390

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Multiphonon anharmonicity of MgO

Autor: Fei He, Luigi Paolasini, Daniele Antonangeli, Ricardo P. S. M. Lobo, Eugenio Calandrini, Lorenzo Paulatto, Alexei Bosak, P. Giura

Publikováno v: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2019, 99 (22), ⟨10.1103/PhysRevB.99.220304⟩

International audience; The anharmonic lattice dynamics of MgO has been studied at ambient conditions and at high temperatures by infrared spectroscopy and inelastic x-ray scattering measurements combined with density functional perturbation theory c

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https://hal.archives-ouvertes.fr/hal-02325351

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Structural, elastic and vibrational properties of celestite, SrSO 4 , from synchrotron x-ray diffraction, thermal diffuse scattering and Raman scattering

Autor: Tra Nguyen-Thanh, Victor Milman, Bjoern Winkler, Arianna Minelli, Adrien Girard, Dominik Spahr, Alexei Bosak, Alessandro Mirone, Björn Wehinger, Michal Stekiel, Luigi Paolasini, Wolfgang Morgenroth

Publikováno v: Journal of Physics: Condensed Matter
Journal of Physics: Condensed Matter, IOP Publishing, 2019, 31 (5), pp.055703. ⟨10.1088/1361-648X/aaf0ef⟩
Journal of Physics: Condensed Matter, 2019, 31 (5), pp.055703. ⟨10.1088/1361-648X/aaf0ef⟩
Journal of Physics. Condensed Matter, Vol. 31, No 5 (2019) P. 055703

In order to resolve inconsistencies encountered in published data for SrSO[Formula: see text], the elasticity and the phase stability of celestite has been studied using thermal diffuse scattering, high pressure powder synchrotron x-ray diffraction,

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https://hal.archives-ouvertes.fr/hal-02497388

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Structural, elastic and vibrational properties of celestite, SrSO

Autor: Adrien, Girard, Michal, Stekiel, Dominik, Spahr, Wolfgang, Morgenroth, Björn, Wehniger, Victor, Milman, Tra-Nguyen-Thanh, Alessandro, Mirone, Arianna, Minelli, Luigi, Paolasini, Alexei, Bosak, Bjoern, Winkler

Publikováno v: Journal of physics. Condensed matter : an Institute of Physics journal. 31(5)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::ab2a08f1d92c1a8331378c51eaaa07cc
https://pubmed.ncbi.nlm.nih.gov/30523844

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