Interband absorption edge in the topological insulators Bi-2(Te1-xSex)(3)

PHYSICAL REVIEW B

Dubroka, A; Caha, O; Hroncek, M; Fris, P; Orlita, M; Holy, V; Steiner, H; Bauer, G; Springholz, G; Humlicek, J, 2017: Interband absorption edge in the topological insulators Bi-2(Te1-xSex)(3). PHYSICAL REVIEW B 96(23), doi: 10.1103/PhysRevB.96.235202
(FTIR, RIGAKU9, WOOLLAM-MIR, WOOLLAM-VIS)

Equipment:

• Vacuum FTIR Vertex70v + microscope Hyperion 3000 KIT - polarizors (FTIR)
• X-ray diffractometer with high brightness source Rigaku SmartLab 9kW (RIGAKU9)
• MIR spectroscopic ellipsometer J. A. Woollam IR-VASE (WOOLLAM-MIR)
• NIR-UV spectroscopic ellipsometer J. A. Woollam V-VASE (WOOLLAM-VIS)

Research Groups:

• CF: CEITEC Nano
• LNSM

CEITEC authors:

• Ondřej Caha, Ph.D.