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Browsing by Subject "Phase-transition"

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Browsing by Subject "Phase-transition"

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    Exploring the high-pressure behavior of the three known polymorphs of BiPO4: Discovery of a new polymorph 
    Errandonea, Daniel; Gomis, O.; Santamaría Pérez, David; García-Domene, B.; Muñoz, Alfonso; Rodríguez-Hernández, Plácida; Achary, S. N.; Tyagi, A. K.; Popescu, Catalin (American Institute of Physics (AIP), 2015-03-14)
    We have studied the structural behavior of bismuth phosphate under compression. We performed x-ray powder diffraction measurements up to 31.5 GPa and ab initio calculations. Experiments were carried out on different ...
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    High-pressure study of ScVO4 by Raman scattering and ab initio calculations 
    Panchal, V.; Manjón Herrera, Francisco Javier; Errandonea, D.; Rodriguez-Hernandez, P.; López-Solano, J.; Muñoz, A.; Achary, S.N.; Tyagi, A.K. (American Physical Society, 2011-02-25)
    We report results of experimental and theoretical lattice-dynamics studies on scandium orthovanadate up to 35 GPa. Raman-active modes of the low-pressure zircon phase are measured up to 8.2 GPa, where the onset of an ...
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    High-pressure vibrational and optical study of Bi2Te3 
    Vilaplana Cerda, Rosario Isabel; Gomis Hilario, Oscar; Manjón Herrera, Francisco Javier; Segura, A.; Pérez-González, E.; Rodríguez-Hernández, P.; Muñoz, A.; González, J.; Marín-Borrás, V.; Muñoz-Sanjosé, V.; Drasar, C.; Kucek, V. (American Physical Society, 2011-09-09)
    We report an experimental and theoretical lattice dynamics study of bismuth telluride (Bi2Te3) up to 23 GPa together with an experimental and theoretical study of the optical absorption and reflection up to 10 GPa. The ...
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    Lattice dynamics of Sb2Te3 at high pressures 
    Gomis Hilario, Oscar; Vilaplana Cerda, Rosario Isabel; Manjón Herrera, Francisco Javier; Rodríguez-Hernández, P.; Pérez-González, E.; Muñoz, A.; Kucek, V.; Drasar, C. (American Physical Society, 2011-11-28)
    We report an experimental and theoretical lattice dynamics study of antimony telluride (Sb 2Te 3) up to 26 GPa together with a theoretical study of its structural stability under pressure. Raman-active modes of the ...
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    Structural and vibrational study of Bi2Se3 under high pressure 
    Vilaplana Cerda, Rosario Isabel; Santamaría-Pérez, D.; Gomis Hilario, Oscar; Manjón Herrera, Francisco Javier; González, J.; Segura, A.; Muñoz, A.; Rodríguez-Hernández, P.; Pérez-González, E.; Marín-Borrás, V.; Muñoz-Sanjose, V.; Drasar, C.; Kucek, V. (American Physical Society, 2011-11-28)
    The structural and vibrational properties of bismuth selenide (Bi 2Se 3) have been studied by means of x-ray diffraction and Raman scattering measurements up to 20 and 30 GPa, respectively. The measurements have been ...