Zobrazeno 1 - 10 of 286 pro vyhledávání: '"Angel Alegría"'
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Akademický článek
Dynamics of Confined Short-Chain alkanol in MCM-41 by Dielectric Spectroscopy: Effects of matrix and system Treatments and Filling Factor
Autor: Josef Bartoš, Silvia Arrese-Igor, Helena Švajdlenková, Angela Kleinová, Angel Alegría
Publikováno v: Polymers, Vol 12, Iss 3, p 610 (2020)
The dynamics of n-propanol confined in regular MCM-41 matrix with the pore size Dpore = 40 Å, under various matrix conditioning and sample confining conditions, using broadband dielectric spectroscopy (BDS), is reported. First, various drying proced
Externí odkaz: https://doaj.org/article/1b5b77e3d43140fcb46f48fa0fd605a6
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Fabrication and nanoscale properties of PEDOT:PSS conducting polymer nanospheres
Autor: Angel Alegría, Daniel E. Martínez-Tong, Matteo Sanviti
Publikováno v: Soft Matter. 18:4554-4564
Electrically conducting nanospheres of poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) with tailored size were prepared using a solvent displacement technique. To fabricate these nanostructures, dried PEDOT:PSS was dissolved in e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::640197d13ec52e81d5ec57db88aae76d
https://doi.org/10.1039/d1sm01712h
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Microscopic versus Macroscopic Glass Transitions and Relevant Length Scales in Mixtures of Industrial Interest
Autor: Numera Shafqat, Angel Alegría, Nicolas Malicki, Séverin Dronet, Francesca Natali, Lucile Mangin-Thro, Lionel Porcar, Arantxa Arbe, Juan Colmenero
We have combined X-ray diffraction, neutron diffraction with polarization analysis, small-angle neutron scattering (SANS), neutron elastic fixed window scans (EFWS), and differential scanning calorimetry (DSC) to investigate polymeric blends of indus
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0ecd6611c9bb31d6b035664b78e7a52
http://hdl.handle.net/10810/60946
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Molecular mobility of polymers at the melting transition
Autor: Bao Wang, Matteo Sanviti, Angel Alegría, Simone Napolitano
Melting of crystals is an archetypical first order phase transition. Albeit extensive efforts, the molecular origin of this process in polymers is still not clear. Experiments are complicated by the tremendous change in mechanical properties and the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42943a1547fd4124d81459bee70d20bd
http://hdl.handle.net/10261/310397
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Disentangling the Calorimetric Glass-Transition Trace in Polymer/ Oligomer Mixtures from the Modeling of Dielectric Relaxation and the Input of Small-Angle Neutron Scattering
Autor: Numera Shafqat, Angel Alegría, Arantxa Arbe, Nicolas Malicki, Séverin Dronet, Lionel Porcar, Juan Colmenero
Publikováno v: Addi. Archivo Digital para la Docencia y la Investigación
instname
We have disentangled the contributions to the glass transition as observed by differential scanning calorimetry (DSC) on simplified systems of industrial interest consisting of blends of styrene–butadiene rubber (SBR) and polystyrene (PS) oligomer.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f87d80299b7d14abbc316ee6d9a7ac3
http://hdl.handle.net/10810/58281
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Gold nanoparticles endowed with low-temperature colloidal stability by cyclic polyethylene glycol in ethanol
Autor: Fabienne Barroso-Bujans, Marek Grzelczak, M. Ali Aboudzadeh, Daniele Cangialosi, Joscha Kruse, Angel Alegría, Maria Iglesias
Publikováno v: Addi. Archivo Digital para la Docencia y la Investigación
instname
Digital.CSIC. Repositorio Institucional del CSIC
The colloidal stability of metal nanoparticles is tremendously dependent on the thermal behavior of polymer brushes. Neat polyethylene glycol (PEG) presents an unconventional upper critical solution temperature in ethanol, where phase segregation and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d077a3f988d214e8da63e042e738024
https://doi.org/10.1039/d1sm00720c
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Macromolecular Structure and Vibrational Dynamics of Confined Poly(ethylene oxide): From Subnanometer 2D-Intercalation into Graphite Oxide to Surface Adsorption onto Graphene Sheets
Autor: Felix Fernandez-Alonso, José A. Pomposo, Fabienne Barroso-Bujans, Silvina Cerveny, Angel Alegría, Juan Colmenero
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
In this work, high-resolution inelastic neutron scattering (INS) has been used to provide novel insights into the properties of confined poly(ethylene oxide) (PEO) chains. Two limits have been explored in detail, namely, single-layer 2D-polymer inter
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24d6e294e17a7c798c3582cca8d9cf1e
https://pubmed.ncbi.nlm.nih.gov/35607059
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Resolving Segmental Polymer Dynamics in Nanocomposites by Incoherent Neutron Spin–Echo Spectroscopy
Autor: Anne-Caroline Genix, Julian Oberdisse, Dafne Musino, Angel Alegría, Bela Farago
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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ACS Macro Letters
ACS Macro Letters, Washington, D.C : American Chemical Society, 2020, 9 (6), pp.910-916. ⟨10.1021/acsmacrolett.0c00369⟩
HAL Id: hal-02908124 https://hal.archives-ouvertes.fr/hal-02908124
The segmental dynamics of styrene–butadiene nanocomposites with embedded silica nanoparticles (NPs, ca. 20 vol. %) has been studied by broadband dielectric (BDS) and neutron sp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::160d4c5ded230e7f8164be1e9efed245
https://doi.org/10.1021/acsmacrolett.0c00369
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