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Browsing by Author "Sans Tresserras, Juan Ángel"

Now showing items 21-40 of 51

Experimental and Theoretical Study of SbPO4 under Compression

Pereira, André Luis de Jesus; Santamaria-Pérez, David; Vilaplana Cerda, Rosario Isabel; Errandonea, Daniel; Popescu, Catalin; Da Silva, Estelina Lora; Sans-Tresserras, Juan Ángel; Rodríguez-Carvajal, Juan; Muñoz, Alfonso; Rodríguez-Hernández, Plácida; Mujica, Andres; Radescu, Silvana Elena; Beltrán, Armando; Otero-de-la-Roza, Alberto; Nalin, Marcelo; Mollar García, Miguel Alfonso; Manjón, Francisco-Javier (American Chemical Society, 2020-01-06)

[EN] SbPO4 is a complex monoclinic layered material characterized by a strong activity of the nonbonding lone electron pair (LEP) of Sb. The strong cation LEP leads to the formation of layers piled up along the a axis and ...
GdBO3 and YBO3 crystals under compression

Turnbull, Robin; Errandonea, Daniel; Sans-Tresserras, Juan Ángel; Cuenca-Gotor, Vanesa Paula; Vilaplana Cerda, Rosario Isabel; Ibáñez, Jordi; Popescu, Catalin; Szczeszak, Agata; Lis, Stefan; Manjón, Francisco-Javier (Elsevier, 2021-06-15)

[EN] High-pressure X-ray diffraction studies on nanocrystals of the GdBO3 and YBO3 rare-earth orthoborates are herein reported up to 17.4(2) and 13.4(2) GPa respectively. The subsequent determination of the room- temperature ...
High-pressure characterization of multifunctional CrVO4

Botella, P.; López-Moreno, S.; Errandonea, D.; Manjón, Francisco-Javier; Sans-Tresserras, Juan Ángel; Vie, D.; Vomiero, A. (IOP Publishing, 2020-09-09)

[EN] The structural stability and physical properties of CrVO(4)under compression were studied by x-ray diffraction, Raman spectroscopy, optical absorption, resistivity measurements, andab initiocalculations up to 10 GPa. ...
High-pressure Raman investigation of high index facets bounded alpha-Fe2O3 pseudocubic crystals

Bushiri, M. Junaid; Gopi, Divya Neravathu; Monteseguro, Virginia; Sans-Tresserras, Juan Ángel (IOP Publishing, 2021-02-24)

[EN] High index facet bounded alpha-Fe2O3 pseudocubic crystals has gained the attention of the scientific community due to its promising electrochemical sensing response towards aqueous ammonia. The structural stability ...
High-Pressure Synthesis of betha and alpha-In2Se3-Like Structures in Ga2S3

Gallego-Parra, Samuel; Vilaplana Cerda, Rosario Isabel; Gomis, O.; Rodríguez-Hernández, Plácida; Muñoz, Alfonso; González, Jesus Antonio; Sans-Tresserras, Juan Ángel; Popescu, Catalin; Manjón, Francisco-Javier (American Chemical Society, 2022-07-12)

[EN] The synthesis of polymorphs of alpha '-Ga2S3 at room temperature on compression/decompression is studied from a joint experimental and theoretical point of view to reveal the nature of their crystalline structures. ...
Hydrolytic stability and biocompatibility on smooth muscle cells of polyethylene glycol-polycaprolactone-based polyurethanes

Morales-Gonzalez, Maria; Arévalo-Alquichire, Said; Diaz, Luis E.; Sans-Tresserras, Juan Ángel; Vilariño, Guillermo; Gómez-Tejedor, José-Antonio; Valero, Manuel F. (Cambridge University Press (Materials Research Society), 2020-12-14)

[EN] Interactions between smooth muscle cells (SMCs) and biomaterials must not result in phenotype changes as this may generate uncontrolled multiplication processes and occlusions in vascular grafts. The aim of this study ...
Joint experimental and theoretical study of bulk Y2O3 at high pressure

Pereira, A.L.J.; Sans-Tresserras, Juan Ángel; Gomis, O.; Santamaría-Pérez, D.; Ray, S.; Rodríguez-Hernández, P.; Godoy-Jr., A.; da Silva-Sobrinho, A.S.; Muñoz, A.; Popescu, C.; Manjón, Francisco-Javier (Elsevier, 2023-06)

[EN] We report a joint experimental and theoretical study of the structural and vibrational properties of C-type bulk Y2O3 under hydrostatic compression. The combination of high-pressure X-ray diffraction and Raman scattering ...
Joint experimental and theoretical study of PbGa2S4 under compression

García-Sánchez, Tania María; Gallego-Parra, Samuel; Liang, Akun; Rodrigo-Ramon, José Luis; Muñoz, Alfonso; Rodriguez-Hernandez, Placida; Gonzalez-Platas, Javier; Sans-Tresserras, Juan Ángel; Cuenca-Gotor, Vanesa Paula; Osman, Hussien H.; Popescu, Catalin; Ursaki, Veaceslav; Tiginyanu, Ion M.; Errandonea, Daniel; Manjón, Francisco-Javier (The Royal Society of Chemistry, 2023-07)

[EN] The effect of pressure on the structural, vibrational, and optical properties of lead thiogallate, PbGa2S4, crystallizing at room conditions in the orthorhombic EuGa2S4-type structure (space group Fddd), is investigated. ...
Lattice dynamics study of (Gd1-xYbx)(2)O-3(x=0.11) at high pressure

Marí-Guaita, Julia; Gallego-Parra, Samuel; Sans-Tresserras, Juan Ángel; Velázquez, M.; Veber, Phillipe; Rodríguez-Hernández, P.; Manjón, Francisco-Javier; Muñoz, A. (Elsevier, 2021-08-05)

[EN] In this study, we report an experimental investigation of (Gd1-xYbx)(2)O-3 under high pressure by means of Raman scattering measurements complemented with ab initio calculations in pure Gd2O3. Raman spec-troscopy of ...
Ordered helium trapping and bonding in compressed arsenolite: Synthesis of As4O6 2He

Sans Tresserras, Juan Ángel; Manjón Herrera, Francisco Javier; Popescu, Catalin; Cuenca Gotor, Vanesa Paula; Gomis, Oscar; Muñoz, Alfonso; Rodríguez Hernández, Plácida; Contreras García, Julia; Pellicer Porres, Julio; Pereira, A.L.J.; Santamaría Pérez, David; Segura, Alfredo (American Physical Society, 2016-02)

Compression of arsenolite has been studied from a joint experimental and theoretical point of view. Experiments on this molecular solid at high pressures with different pressure-transmitting media have been interpreted ...
Orpiment under compression: metavalent bonding at high pressure

Cuenca-Gotor, Vanesa Paula; Sans-Tresserras, Juan Ángel; Gomis, O.; Mujica, Andres; Radescu, Silvana; Muñoz, Alfonso; Rodríguez-Hernández, Plácida; Da Silva, Estelina Lora; Popescu, Catalin; Ibañez, Jordi; Vilaplana Cerda, Rosario Isabel; Manjón, Francisco-Javier (The Royal Society of Chemistry, 2020-02-14)

[EN] We report a joint experimental and theoretical study of the structural, vibrational, and electronic properties of layered monoclinic arsenic sulfide crystals (a-As2S3), aka mineral orpiment, under compression. X-ray ...
Pasos a seguir para elaborar una memoria de laboratorio

Cuenca Gotor, Vanesa Paula; Salinas Marín, Isabel; Giménez Valentín, Marcos Herminio; Sans Tresserras, Juan Ángel; Castro Palacio, Juan Carlos; Monsoriu Serra, Juan Antonio (2023-07-03)

Pautas para la elaboración de una memoria de práctica de laboratorio siguiendo una estructura adecuada y atendiendo a las características formales básicas.
Phase stability and electronic structure of iridium metal at the megabar range

Monteseguro, V.; Sans-Tresserras, Juan Ángel; Cuartero, V.; Cova, F.; Abrikosov, I.A.; Olovsson, W.; Popescu, Catalin; Pascarelli, S.; Garbarino, G.; Jonsson, H.J.M.; Irifune, T.; ERRANDONEA, DANIEL (Nature Publishing Group, 2019-06-20)

[EN] The 5d transition metals have attracted specific interest for high-pressure studies due to their extraordinary stability and intriguing electronic properties. In particular, iridium metal has been proposed to exhibit ...
Pressure-Driven Isostructural Phase Transition in InNbO4: In Situ Experimental and Theoretical Investigations

Garg, Alka B.; Errandonea, Daniel; Popescu, Catalin; Martínez-García, Domingo; Pellicer Porres, Julio; Rodríguez-Hernández, Plácida; Muñoz, Alfonso; Botella, Pablo; Cuenca Gotor, Vanesa Paula; Sans-Tresserras, Juan Ángel (American Chemical Society, 2017-05-01)

[EN] The high-pressure behavior of technologically important visible-light photocatalytic semiconductor In.NbO4, adopting a monoclinic wolframite-type structure at ambient conditions, was investigated using synchrotron-based ...
Pressure-induced phase transition and band-gap collapse in the wide-band-gap semiconductor InTaO4

Errandonea, Daniel; Popescu, Catalin; Garg, A.B.; Botella, P.; Martinez García, D.; Pellicer Porres, J.; Rodríguez Hernández, P.; Muñoz, A.; Cuenca Gotor, Vanesa Paula; Sans Tresserras, Juan Ángel (American Physical Society, 2016-01)

A pressure-induced phase transition, associated with an increase of the coordination number of In and Ta, is detected beyond 13 GPa in InTaO4 by combining synchrotron x-ray diffraction and Raman measurements in a diamond-anvil ...
Pressure-Induced Phase Transitions in Sesquioxides

Manjón, Francisco-Javier; Sans-Tresserras, Juan Ángel; Ibáñez, Jordi; Pereira, André Luis de Jesús (MDPI AG, 2019-12)

[EN] Pressure is an important thermodynamic parameter, allowing the increase of matter density by reducing interatomic distances that result in a change of interatomic interactions. In this context, the long range in which ...
Sensores fotoluminiscentes de presión y temperatura

Marí Guaita, Julia (Universitat Politècnica de València, 2019-11-26)

[EN] This work deals with studying the material Yb:Gd2O3 (11% Yb) under pressure using a diamond anvil cell (DAC) and the Raman spectroscopy technique. This technique will allow us to understand the fundamentals of atomic ...
Simulación y caracterización de la eficiencia luminosa de distintas fuentes de luz

Gea Pinal, Juan Luis (Universitat Politècnica de València, 2016-12-27)

[ES] El objeto del Proyecto es demostrar la utilización del sensor de luz ambiental del smartphone como un dispositivo válido para la medición y la caracterización de la eficiencia luminosa de distintas fuentes ...
Smartphysics: el uso docente del Smartphone para el desarrollo de competencias transversales

Sans Tresserras, Juan Ángel; Cuenca Gotor, Vanesa Paula; Manjón Herrera, Francisco Javier; Salinas Marín, Isabel; Giménez Valentín, Marcos Herminio; Monsoriu Serra, Juan Antonio; Gómez Tejedor, José Antonio (Editorial Universitat Politècnica de València, 2016-07-19)

[EN] In this paper, we propose to introduce new physics laboratory practices and modify some ones, with the main objective of developing in our students some of the transversal competences established by the Universitat ...
SnS Thin Films Prepared by Chemical Spray Pyrolysis at Different Substrate Temperatures for Photovoltaic Applications

Sall, Thierno; Marí, B.; Mollar García, Miguel Alfonso; Sans-Tresserras, Juan Ángel (Springer-Verlag, 2017)

[EN] The preparation and analysis of morphological, structural, optical, vibrational and compositional properties of tin monosulfide (SnS) thin films deposited on glass substrate by chemical spray pyrolysis is reported ...