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Browsing by Subject "Single dirac cone"

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Browsing by Subject "Single dirac cone"

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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 ...
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    Trapping of three-dimensional electrons and transition to two-dimensional transport in the three-dimensional topological insulator Bi2Se3 under high pressure 
    Segura, A.; Panchal, V.; Sánchez-Royo, J. F.; Marín-Borrás, V.; Muñoz-Sanjosé, V.; Rodríguez-Hernández, P.; Muñoz, A.; Pérez-González, E.; Manjón Herrera, Francisco Javier; González, J. (American Physical Society, 2012-05-24)
    [EN] This paper reports an experimental and theoretical investigation on the electronic structure of bismuth selenide (Bi2Se3) up to 9 GPa. The optical gap of Bi2Se3 increases from 0.17 eV at ambient pressure to 0.45 eV ...