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Browsing by Author "Muñoz, Alfonso"

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Browsing by Author "Muñoz, Alfonso"

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    Broadband, site selective and time resolved photoluminescence spectroscopic studies of finely size-modulated Y2O3:Eu3+ phosphors synthesized by a complex based precursor solution method 
    Ray, Sudeshna; León-Luis, Sergio Fabián; Manjón Herrera, Francisco Javier; Mollar García, Miguel Alfonso; Gomis Hilario, Oscar; Rodríguez-Mendoza, Ulises Ruyman; Agouram, Said; Muñoz, Alfonso; Lavín, Victor (Elsevier, 2014-01)
    Undoped and Eu3+-doped cubic yttria (Y2O3) nanophosphors of good crystallinity, with selective particle sizes ranging between 6 and 37 nm and showing narrow size distributions, have been synthesized by a complex-based ...
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    Characterization and Decomposition of the Natural van der Waals SnSb2Te4 under Compression 
    Sans-Tresserras, Juan Ángel; Vilaplana Cerda, Rosario Isabel; Da Silva, E. Lora; Popescu, Catalin; Cuenca-Gotor, Vanesa Paula; Andrada-Chacón, Adrián; Sánchez-Benitez, Javier; Gomis, O.; Pereira, André L. J.; Rodríguez-Hernández, Plácida; Muñoz, Alfonso; Daisenberger, Dominik; García-Domene, Braulio; Segura, Alfredo; Errandonea, Daniel; Manjón, Francisco-Javier (American Chemical Society, 2020-07-20)
    [EN] High pressure X-ray diffraction, Raman scattering, and electrical measurements, together with theoretical calculations, which include the analysis of the topological electron density and electronic localization function, ...
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    Elastic and thermodynamic properties of alpha-Bi2O3 at high pressures: Study of mechanical and dynamical stability 
    Gomis, O.; Manjón, Francisco-Javier; Rodríguez-Hernández, Plácida; MUÑOZ, ALFONSO (Elsevier, 2019-01)
    [EN] The elastic and thermodynamic properties of the monoclinic polymorph of bismuth oxide (alpha-Bi2O3); aka mineral bismite, have been theoretically investigated both at room pressure and under hydrostatic compression ...
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    Experimental and Theoretical Study of Bi2O2Se Under Compression 
    Pereira, A.L.J.; Santamaría Pérez, David; Ruiz Fuertes, Javier; Manjón, Francisco-Javier; Cuenca Gotor, Vanesa Paula; Vilaplana Cerda, Rosario Isabel; Gomis, O.; Popescu, Catalin; Muñoz, Alfonso; Rodríguez-Hernández, Plácida; Segura, Alfredo; Gracia, L.; Beltran, A.; Ruleova, P.; Drasar, C.; Sans-Tresserras, Juan Ángel (American Chemical Society, 2018-04-26)
    [EN] We report a joint experimental and theoretical study of the structural, vibrational, elastic, optical, and electronic properties of the layered high-mobility semiconductor Bi2O2Se at high pressure. A good agreement ...
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    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 ...
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    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 ...
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    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 ...
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    Structural study of alpha-Bi2O3 under pressure 
    Pereira, A. L. J.; Errandonea, Daniel; Beltrán, A.; Gracia, L.; Gomis Hilario, Oscar; Sans, J. A.; García-Domene, B.; Miquel-Veyrat, A.; Manjón Herrera, Francisco Javier; Muñoz, Alfonso; Popescu, Catalin (IOP Publishing: Hybrid Open Access, 2013-11-27)
    An experimental and theoretical study of the structural properties of monoclinic bismuth oxide (alpha-(BiO3)-O-2) under high pressures is here reported. Both synthetic and mineral bismite powder samples have been compressed ...
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    Structural, Vibrational, and Elastic Properties of Yttrium Orthoaluminate Nanoperovskite at High Pressures 
    Hernández-Rodríguez, M.A.; Monteseguro, V.; Lozano-Gorrín, A.D.; Manjón, Francisco-Javier; González-Platas, J.; Rodríguez-Hernández, Plácida; Muñoz, Alfonso; Lavin, V.; Martín, I.R.; Rodriguez-Mendoza, U.R. (American Chemical Society, 2017-07-20)
    [EN] The structural and vibrational properties of nanocrystalline yttrium orthoaluminate perovskite (YAlO3) under compression have been experimentally studied. Experimental results have been compared to ab initio simulations ...
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    Structural, Vibrational, and Electronic Study of Sb2S3 at High Pressure 
    Ibáñez, Jordi; Sans-Tresserras, Juan Ángel; Popescu, Catalin; López-Vidrier, J.; Elvira-Betanzos, J.J.; Cuenca Gotor, Vanesa Paula; Gomis, O.; Manjón Herrera, Francisco Javier; Rodríguez-Hernández, P.; Muñoz, Alfonso (American Chemical Society, 2016-04)
    Antimony trisulfide (Sb2S3), found in nature as the mineral stibnite, has been studied under compression at room temperature from a joint experimental and theoretical perspective. X-ray diffraction and Raman scattering ...
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    Vibrational properties of CdGa2S4 at high pressure 
    Gallego-Parra, Samuel; Gomis, O.; Vilaplana Cerda, Rosario Isabel; Ortiz, H.M.; Perez-Gonzalez, E.; Luna Molina, Ramón; Rodríguez-Hernández, Plácida; MUÑOZ, ALFONSO; URSAKI, VEACHESLAV; TIGINYANU, IVAN; Manjón, Francisco-Javier (American Institute of Physics, 2019-03-21)
    [EN] Raman scattering measurements have been performed in cadmium digallium sulphide (CdGa2S4) with defect chalcopyrite structure up to 25 GPa in order to study its pressure-induced phase transitions. These measurements ...