Published articles

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12 p, 487.8 KB Fingerprints of inelastic transport at the surface of the topological insulator Bi 2 Se 3 : role of electron-phonon coupling / Costache, Marius Vasile (Institut Català de Nanociència i Nanotecnologia) ; Neumann, Ingmar (Institut Català de Nanociència i Nanotecnologia) ; Sierra, Juan F. (Institut Català de Nanociència i Nanotecnologia) ; Marinova, Vera (Bulgarian Academy of Sciences. Institute of Optical Materials and Technologies) ; Gospodinov, M. M. (Bulgarian Academy of Sciences. Institute of Solid State Physics) ; Roche, Stephan (Institut Català de Nanociència i Nanotecnologia) ; Valenzuela, Sergio O. (Institut Català de Nanociència i Nanotecnologia)
We report on electric-field and temperature-dependent transport measurements in exfoliated thin crystals of the Bi2Se3 topological insulator. At low temperatures (<50 K) and when the chemical potential lies inside the bulk gap, the crystal resistivity is strongly temperature dependent, reflecting inelastic scattering due to the thermal activation of optical phonons. [...]
2014 - 10.1103/PhysRevLett.112.086601
Physical review letters, Vol. 112, issue 8 (Feb. 2014) , art. 86601  

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