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11 p, 2.6 MB |
Strong strain gradients and phase coexistence at the metal-insulator transition in VO2 epitaxial films
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Rodríguez Domínguez, Laura (Institut Català de Nanociència i Nanotecnologia) ;
Sandiumenge Ortiz, Felip (Institut de Ciència de Materials de Barcelona) ;
Frontera, Carlos (Institut de Ciència de Materials de Barcelona) ;
Caicedo Roque, Jose Manuel (Institut Català de Nanociència i Nanotecnologia) ;
Padilla-Pantoja, Jessica (Institut Català de Nanociència i Nanotecnologia) ;
Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia) ;
Santiso, José (Institut Català de Nanociència i Nanotecnologia)
The proximity of a thermodynamic triple point and the formation of transient metastable phases may result in complex phase and microstructural trajectories across the metal-insulator transition in strained VO films. [...]
2021 -  10.1016/j.actamat.2021.117336
Acta Materialia, Vol. 220 (Nov. 2021) , art. 117336
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2.
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11 p, 2.2 MB |
Stability and nature of the volume collapse of ε-FeO under extreme conditions
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Sans, J. A. (Universitat Politècnica de València. Instituto de Diseño para la Fabricación y Producción Automatizada) ;
Monteseguro, Virginia (Universitat de València. Institut de Ciència dels Materials) ;
Garbarino, G. (European Radiation Synchrotron Facility) ;
Gich García, Martí (Institut de Ciència de Materials de Barcelona) ;
Cerantola, V. (European Radiation Synchrotron Facility) ;
Cuartero, V. (Centro Universitario de la Defensa de Zaragoza) ;
Monte, M. (European Radiation Synchrotron Facility) ;
Irifune, T. (Tokyo Institute of Technology. Earth-Life Science Institute) ;
Muñoz, A. (Universidad de La Laguna. Departamento de Física) ;
Popescu, Catalin (ALBA Laboratori de Llum de Sincrotró)
Iron oxides are among the major constituents of the deep Earth's interior. Among them, the epsilon phase of FeO is one of the less studied polymorphs and there is a lack of information about its structural, electronic and magnetic transformations at extreme conditions. [...]
2018 - 10.1038/s41467-018-06966-9
Nature communications, Vol. 9 (November 2018) , art. 4554
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3.
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4.
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36 p, 1.5 MB |
Metallic diluted dimerization in VO2 tweeds
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Sandiumenge Ortiz, Felip (Institut de Ciència de Materials de Barcelona) ;
Rodríguez Domínguez, Laura (Institut Català de Nanociència i Nanotecnologia) ;
Pruneda, Miguel (Institut Català de Nanociència i Nanotecnologia) ;
Magen Dominguez, Cesar (Instituto de Nanociencia de Aragón) ;
Santiso, José (Institut Català de Nanociència i Nanotecnologia) ;
Catalan, Gustau (Institut Català de Nanociència i Nanotecnologia)
The observation of electronic phase separation textures in vanadium dioxide, a prototypical electron-correlated oxide, has recently added new perspectives on the long standing debate about its metal-insulator transition and its applications. [...]
2021 - 10.1002/adma.202004374
Advanced materials, Vol. 33, issue 9 (March 2021) , art. 2004374
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5.
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7 p, 4.9 MB |
Exploiting the lability of metal halide perovskites for doping semiconductor nanocomposites
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Calcabrini, Mariano (Institute of Science and Technology Austria) ;
Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ;
Liu, Yu (Institute of Science and Technology Austria) ;
Kleinhanns, Tobias (Institute of Science and Technology Austria) ;
Lee, Seungho (Institute of Science and Technology Austria) ;
Dirin, Dmitry N. (ETH Zürich. Department of Chemistry and Applied Biosciences) ;
Akkerman, Quinten A. (ETH Zürich. Department of Chemistry and Applied Biosciences) ;
Kovalenko, Maksym V. (Empa-Swiss Federal Laboratories for Materials Science and Technology) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Ibáñez, Maria (Institute of Science and Technology Austria)
Cesium lead halides have intrinsically unstable crystal lattices and easily transform within perovskite and nonperovskite structures. In this work, we explore the conversion of the perovskite CsPbBr into CsPbBr in the presence of PbS at 450 °C to produce doped nanocrystal-based composites with embedded CsPbBr nanoprecipitates. [...]
2021 - 10.1021/acsenergylett.0c02448
ACS Energy Letters, Vol. 6, issue 2 (Feb. 2021) , p. 581-587
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6.
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23 p, 695.9 KB |
Controlling spin transition in one-dimensional coordination polymers through polymorphism
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Novio Vázquez, Fernando (Institut Català de Nanociència i Nanotecnologia) ;
Campo, Javier (Instituto de Ciencia de Materiales de Aragón) ;
Ruiz-Molina, Daniel (Institut Català de Nanociència i Nanotecnologia)
A series of polymer 1 microcrystals with several different morphologies have been systematically synthesized by controlling experimental parameters, namely concentration of reactants, temperature, solvent nature, and the use of surfactants, and their valence tautomerism (VT) has been studied by combined electron microscopy, X-ray diffraction data, and magnetization. [...]
2014 - 10.1021/ic5013928
Inorganic chemistry, Vol. 53, issue 16 (Aug. 2014) , p. 8742-8748
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7.
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8 p, 1.3 MB |
Magnetoelectric effect and phase transitions in CuO in external magnetic fields
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Wang, Zhaosheng (Helmholtz-Zentrum Dresden-Rossendorf) ;
Qureshi, Navid (Institut Laue Langevin) ;
Yasin, Shadi (Helmholtz-Zentrum Dresden-Rossendorf) ;
Mukhin, Alexander (Institut obshcheĭ fiziki im. A.M. Prokhorova) ;
Ressouche, Eric (Institute for Nanoscience and Cryogenics. Service de Physique Statistique, Magnétisme et Supraconductivité) ;
Zherlitsyn, Sergei (Hochfeld-Magnetlabor Dresden (HLD-EMFL), Helmholtz-Zentrum Dresden-Rossendorf) ;
Skourski, Yurii (Helmholtz-Zentrum Dresden-Rossendorf) ;
Geshev, Julian (Universitat Autònoma de Barcelona. Departament de Física) ;
Ivanov, Vsevolod (Institut obshcheĭ fiziki im. A.M. Prokhorova) ;
Gospodinov, Marin (Bulgarian Academy of Sciences. Institute of Solid State Physics) ;
Skumryev, Vassil (Universitat Autònoma de Barcelona. Departament de Física)
Apart from being so far the only known binary multiferroic compound, CuO has a much higher transition temperature into the multiferroic state, 230 K, than any other known material in which the electric polarization is induced by spontaneous magnetic order, typically lower than 100 K. [...]
2016 - 10.1038/ncomms10295
Nature communications, Vol. 7 (Jan. 2016) , art. 10295
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4 p, 337.1 KB |
Selective generation of local ferromagnetism in austenitic stainless steel using nanoindentation
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Sort Viñas, Jordi (Institució Catalana de Recerca i Estudis Avançats) ;
Suriñach, Santiago (Suriñach Cornet) (Universitat Autònoma de Barcelona. Departament de Física) ;
Concustell i Fargas, Amadeu (Universitat Autònoma de Barcelona. Departament de Física) ;
Menéndez Dalmau, Enric (Universitat Autònoma de Barcelona. Departament de Física) ;
Baró, M. D.. (Universitat Autònoma de Barcelona. Departament de Física) ;
Farran José, Joan (Suñer, S. A.) ;
Nogués, Josep (Universitat Autònoma de Barcelona. Departament de Física) ;
American Physical Society
Periodic arrays of magnetic structures with micrometrer and submicrometer lateral sizes have been prepared at the surface of an austenitic stainless steel by means of local deformation using a nanoindenter. [...]
2006 - 10.1063/1.2227827
Applied physics letters, Vol. 89, Issue 3 (July 2006) , p. 032509/1-032509/3
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