Výsledky vyhledávání - "D. Pergolesi"

Visualization of the Multi-Center Ultrafast Response in Photoexcited Spinel Co3O4

Autor: O. Cannelli, S. Restelli, N. Ohannessian, Pietro Galinetto, D. Pergolesi, M. Chergui, G. F. Mancini

Publikováno v: The International Conference on Ultrafast Phenomena (UP) 2022.

Femtosecond optical and X-ray measurements show excitation-specific ultrafast relaxation processes in spinel Co3O4 thin films. Upon ligand-to-metal and metal-to-metal charge transfer, the system decays through different energy pathways characterized

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e2070127b4f8f5025a8bf476aacc9afe
https://doi.org/10.1364/up.2022.th4a.35

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Large imprint in epitaxial 0.67Pb(Mg1/3Nb2/3)O3-0.33PbTiO3 thin films for piezoelectric energy harvesting applications

Autor: J. Belhadi, Z. Hanani, U. Trstenjak, N. A. Shepelin, V. Bobnar, G. Koster, J. Hlinka, D. Pergolesi, T. Lippert, M. El Marssi, M. Spreitzer

Publikováno v: Applied physics letters, 121(18):182903. American Institute of Physics

Tuning and stabilizing a large imprint in epitaxial relaxor ferroelectric thin films is one of the key factors for designing micro-electromechanical devices with an enhanced figure of merit (FOM). In this work, epitaxial 500 nm-thick 0.67Pb(Mg1/3Nb2/

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::61c0114057cdf8efd835ec4437b0ad34
https://doi.org/10.1063/5.0115777

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Akademický článek

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

Autor: T C, Rossi, D, Grolimund, O, Cannelli, G F, Mancini, C, Bacellar, D, Kinschel, J R, Rouxel, N, Ohannessian, D, Pergolesi, M, Chergui

Publikováno v: Journal of Synchrotron Radiation

Linear dichroism at the Ti K-edge is investigated in rutile TiO2 single crystal. A complete assignment of the pre-edge is provided based on finite difference method calculations and spherical tensor analysis. The origin of weak peak A2 similar to ana

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::c8802047909b3bf1c3ae9d0ee16ec9b6
https://pubmed.ncbi.nlm.nih.gov/32153281

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Contributors

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::149ef223377af545a68a4dcf9f7048aa
https://doi.org/10.1016/b978-0-12-811166-6.09989-1

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Akademický článek

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Akademický článek

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In situ stress observation in oxide films and how tensile stress influences oxygen ion conduction

Autor: A. Fluri D. Pergolesi V. Roddatis A. Wokaun and T. Lippert

Publikováno v: Nat. Commun.

Many properties of materials can be changed by varying the interatomic distances in the crystal lattice by applying stress. Ideal model systems for investigations are heteroepitaxial thin films where lattice distortions can be induced by the crystall

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=snsf_p3_pubs::6beeb786504e8757d4588abd2322f7a2
http://www.nature.com/ncomms/2016/160225/ncomms10692/full/ncomms10692.html

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Tuning the Surface Electrochemistry by Strained Epitaxial Pt Thin Film Model Electrodes Prepared by Pulsed Laser Deposition

Autor: S. E. Temmel E. Fabbri D. Pergolesi T. Lippert and T. J. Schmidt

Publikováno v: Adv. Mater. Interfaces

A novel approach for tailoring strained Pt model electrocatalysts using pulsed laser deposition is presented. The physical properties of Pt films grown on single crystalline (100) and (111) oriented strontium titanate depend significantly on the vari

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=snsf_p3_pubs::0d3b990c4e59c649e5fb9ee846691ff6

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Investigating the Role of Strain toward the Oxygen Reduction Activity on Model Thin Film Pt Catalysts

Autor: S. E. Temmel E. Fabbri D. Pergolesi T. Lippert and T. J. Schmidt

Publikováno v: ACS Catalysis

Environmentally friendly energy conversion devices such as fuel cells are becoming more and more attractive. However major impediments to large scale application still arise on the material side related to the cost and poor performance of the cathode

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=snsf_p3_pubs::98bb13e04897f03727959f5246b3ac11

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