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Browsing by Author "Errandonea, Daniel"

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Browsing by Author "Errandonea, Daniel"

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    High-pressure Raman study of Fe(IO3)3: Soft-mode behavior driven by coordination changes of iodine atoms 
    Liang, Akun; Rahman, Saqib; Rodriguez-Hernandez, Placida; Muñoz, Alfonso; Manjón, Francisco-Javier; Nenert, Gwilherm; Errandonea, Daniel (American Chemical Society, 2020-10-01)
    [EN] We report high-pressure Raman spectroscopy studies of Fe(IO3)(3) up to nearly 21 GPa that have been interpreted with the help of density functional theory calculations, which include the calculation of phonon dispersion ...
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    High-pressure structural phase transition in MnWO4 
    Ruiz-Fuertes, Javier; Friedrich, A.; Gomis, O.; Errandonea, Daniel; Morgenroth, W.; Sans Tresserras, Juan Ángel; Santamaria-Perez, David (American Physical Society, 2015-03-30)
    The pressure-induced phase transition of the multiferroic manganese tungstate MnWO4 is studied on single crystals using synchrotron x-ray diffraction and Raman spectroscopy. We observe the monoclinic P2/c to triclinic P ...
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    High-pressure structural, elastic, and thermodynamic properties of zircon-type HoPO4 and TmPO4 
    Gomis, O.; Lavina, B.; Rodriguez-Hernandez, P.; Muñoz, A.; Errandonea, R.; Errandonea, Daniel; Bettinelli, M. (IOP Publishing, 2017-03-08)
    [EN] Zircon-type holmium phosphate (HoPO4) and thulium phosphate (TmPO4) have been studied by single-crystal x-ray diffraction and ab initio calculations. We report on the influence of pressure on the crystal structure, ...
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    High-pressure theoretical and experimental study of HgWO4 
    Lopez-Solano, J.; Rodriguez-Hernandez, Plácida; Muñoz, A.; Santamaria-Perez, David; Manjón Herrera, Francisco Javier; Ray, S.; Gomis Hilario, Oscar; Mollar García, Miguel Alfonso; Panchal, V.; Errandonea, Daniel (Taylor & Francis, 2011-03)
    HgWO 4 at ambient pressure is characterized using a combination of ab initio calculations, X-ray diffraction and Raman scattering measurements. The effect of low pressure and temperature on the structural stability is ...
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    High-Pressure X-ray Diffraction Study of Orthorhombic Ca2Zr5Ti2O16 
    García-Sánchez, Tania María; Diaz-Anichtchenko, Daniel; Muñoz, Alfonso; Rodriguez-Hernandez, Placida; Marqueño, Tomás; Jafar, Mohsin; Achary, S. Nagabhusan; Alabarse, Frederico; Errandonea, Daniel (American Chemical Society, 2023-01)
    [EN] The orthorhombic polymorph of Ca2Zr5Ti2O16 (space group Pbca) has been studied by powder X-ray diffraction under high pressures up to 30 GPa using synchrotron radiation. We have found evidence of a structural phase ...
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    Investigation on the Luminescence Properties of InMO4 (M = V5+, Nb5+, Ta5+) Crystals Doped with Tb3+ or Yb3+ Rare Earths Ions 
    Botella, Pablo; Enrichi, Francesco; Vomiero, Alberto; Muñoz-Santiuste, Juan E.; Garg, Alka B.; Arvind, Ananthanarayanan; Manjón, Francisco-Javier; Segura, Alfredo; Errandonea, Daniel (American Chemical Society, 2020-02-11)
    [EN] We explore the potential of Tb- and Yb-doped InVO4, InTaO4, and InNbO4 for applications as phosphors for light-emitting sources. Doping below 0.2% barely change the crystal structure and Raman spectrum but provide ...
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    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. ...
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    Lattice dynamics of ZnAl2O4 and ZnGa2O4 under high pressure 
    Lopez-Moreno, S.; Rodríguez-Hernández, P.; Muñoz, A.; Manjón Herrera, Francisco Javier; Romero, Aldo Humberto; Errandonea, Daniel; Rusu, E.; Ursaki, V.V. (WILEY-VCH Verlag GmbH & Co. KGaA,, 2011)
    In this work we present a ¿rst-principles density functional study of the vibrational properties of ZnAl2 O4 and ZnGa2 O4 as function of hydrostatic pressure. Based on our previous structural characterization of these two ...
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    Lattice dynamics study of HgGa2Se4 at high pressures 
    Vilaplana Cerda, Rosario Isabel; Gomis Hilario, Oscar; Manjón Herrera, Francisco Javier; Ortiz, H. M.; Pérez González, E.; López Solano, Javier; Rodríguez Hernández, Plácida; Múñoz, Alfonso; Errandonea, Daniel; Ursaki, V.; Tiginyanu, Ivan (American Chemical Society, 2013-08)
    We report on Raman scattering measurements in mercury digallium selenide (HgGa2Se4) up to 25 GPa. We also performed, for the low-pressure defect-chalcopyrite structure, lattice-dynamics ab initio calculations at high ...
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    Lattice dynamics study of nanocrystalline yttrium gallium garnet at high pressure 
    Monteseguro, V.; Rodríguez Hernández, Plácida; Vilaplana Cerda, Rosario Isabel; Manjón Herrera, Francisco Javier; Venkatramu, V.; Errandonea, Daniel; Lavin, V.; Muñoz, Alfonso (American Chemical Society, 2014-06-19)
    This work reports an experimental and theoretical lattice dynamics study of nanocrystalline Y3Ga5O12 (YGG) garnet at high pressures. Raman scattering measurements in nanocrystalline Tm3+-doped YGG garnet performed up to ...
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    New high-pressure phase and equation of state of Ce2Zr2O8 
    Errandonea, Daniel; Kumar, R.S.; Achary, S.N.; Gomis Hilario, Oscar; Manjón Herrera, Francisco Javier; Shukla, R.; Tyagi, A.K. (American Institute of Physics (AIP), 2012-03-08)
    In this paper we report a new high-pressure rhombohedral phase of Ce2Zr2O8 observed in high-pressure angle-dispersive x-ray diffraction and Raman spectroscopy studies up to nearly 12 GPa. The ambient-pressure cubic phase ...
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    New polymorph of InVO4: A high-pressure structure with six-coordinated vanadium 
    Errandonea, Daniel; Gomis Hilario, Oscar; García-Domene, B.; Pellicer Porres, Julio; Katari, V.; Achary, S. N.; Tyagi, A. K.; Popescu, C. (American Chemical Society, 2013-11-04)
    A new wolframite-type polymorph of InVO4 is identified under compression near 7 GPa by in situ high-pressure (HP) X-ray diffraction (XRD) and Raman spectroscopic investigations on the stable orthorhombic InVO4. The structural ...
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    Pbca-Type In2O3: the high-pressure post-corundum phase at room temperature 
    García-Domene, B.; Sans Tresserras, Juan Ángel; Gomis, O.; Manjón Herrera, Francisco Javier; Ortiz, H. M.; Errandonea, Daniel; Santamaría Pérez, David; Martinez-Garcia, D.; Vilaplana Cerda, Rosario Isabel; Pereira, A. L. J.; Morales-Garcia, A.; Rodríguez Hernández, Plácida; Muñoz, Alfonso; Popescu, Catalin; Segura, A. (American Chemical Society, 2014-09-04)
    High-pressure powder X-ray diffraction and Raman scattering measurements in cubic bixbyite-type indium oxide (c-In2O3) have been performed at room temperature. On increasing pressure c-In2O3 undergoes a transition to the ...
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    Phase behaviour of Ag2CrO4 under compression: Structural, vibrational, and optical properties 
    Santamaría Pérez, David; Bandiello, Enrico; Errandonea, Daniel; Ruiz-Fuertes, Javier; Gomis Hilario, Oscar; Sans, Juan Ángel; Manjón Herrera, Francisco Javier; Rodríguez-Hernández, Plácida; Muñoz, Alfonso (American Chemical Society, 2013-06-13)
    We have performed an experimental study of the crystal structure, lattice dynamics, and optical properties of silver chromate (Ag2CrO4) at ambient temperature and high pressures. In particular, the crystal structure, ...
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    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 ...
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    Pressure Impact on the Stability and Distortion of the Crystal Structure of CeScO3 
    Errandonea, Daniel; Santamaria-Perez, David; Martinez-Garcia, Domingo; Gomis, O.; Shukla, Rakesh; Achary, S. Nagabhusan; Tyagi, Avesh K.; Popescu, Catalin (American Chemical Society, 2017)
    [EN] The effects of high pressure on the crystal structure of orthorhombic (Pnma) perovskite-type cerium scandate were studied in situ under high pressure by means of synchrotron X-ray powder diffraction, using a ...
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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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    Pressure-induced amorphization of YVO4:Eu3+ nanoboxes 
    Ruiz Fuertes, Javier; Gomis, O.; León Luis, S. F.; Schrodt, N.; Manjón Herrera, Francisco Javier; Ray, Sudeshna; Santamaría Pérez, David; Sans Tresserras, Juan Ángel; Ortiz, H. M.; Errandonea, Daniel; Ferrer Roca, Chantal; Segura, A.; Martínez García, Domingo; Lavin, V.; Rodríguez Mendoza, U. R.; Muñoz, A. (IOP Publishing: Hybrid Open Access, 2016-01-15)
    A structural transformation from the zircon-type structure to an amorphous phase has been found in YVO4:Eu3+ nanoboxes at high pressures above 12.7 GPa by means of x-ray diffraction measurements. However, the pair distribution ...
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    Pressure-induced band-gap energy increase in a metal iodate 
    Liang, Akun; Shi, Lan-Ting; Turnbull, Robin; Manjón, Francisco-Javier; Ibáñez, Jordi; Popescu, Catalin; Jasmin, M.; Singh, Jaspreet; Venkatakrishnan, Kanchana; Vaitheeswaran, Ganapathy; Errandonea, Daniel (AMERICAN PHYSICAL SOCIETY, 2022-12-09)
    [EN] A wide band gap is one of the essential requirements for metal iodates to be used as nonlinear optical materials. Usually, the band gap of these materials decreases under the application of pressure. Herein, we introduce ...
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    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 ...