Sub-terahertz photoconductivity of Hg x Cd 1− x Te crystals with composition close to semiconductor-to-semimetal topological transition

Christophe Consejo; Frederic Teppe; Nina Diakonova; Wilfried Desrat; Sandra Ruffenach; Dominique Coquillat; Wojciech Knap; Maksim Zholudev; V. Rumyantsev; V. Gavrilenko; S. Morozov; N. N. Mikhailov; S. A. Dvoretskii

Acte de colloque

Sub-terahertz photoconductivity of Hg x Cd 1− x Te crystals with composition close to semiconductor-to-semimetal topological transition

Christophe Consejo, Frederic Teppe, Nina Diakonova, Wilfried Desrat, Sandra Ruffenach, Dominique Coquillat, Wojciech Knap, Maksim Zholudev, V. Rumyantsev, V. Gavrilenko, …

Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2014 39th International Conference on (Tucson, United States, 14/09/2014–19/09/2014)

14/09/2014

Résumé

We report on sub-Terahertz photoconductivity of bulk HgxCd1-xTe crystals withcomposition close to semiconductor-to-semimetal topological transition. Low magnetic fieldShubnikov-de Hass like oscillations were observed with a period which does not depend onthe incident frequency. Moreover, anomalous B-periodic oscillations were also observed athigher magnetic fields.

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Titre: Sub-terahertz photoconductivity of Hg x Cd 1− x Te crystals with composition close to semiconductor-to-semimetal topological transition
Créateurs - sans rôle: Christophe Consejo - Université de Montpellier, Laboratoire Charles Coulomb - L2C
Frederic Teppe - Université de Montpellier, Laboratoire Charles Coulomb - L2C
Nina Diakonova - Université de Montpellier, Laboratoire Charles Coulomb - L2C
Wilfried Desrat - Université de Montpellier, Laboratoire Charles Coulomb - L2C
Sandra Ruffenach - Université de Montpellier, Laboratoire Charles Coulomb - L2C
Dominique Coquillat - Université de Montpellier, Laboratoire Charles Coulomb - L2C
Wojciech Knap - Université de Montpellier, Laboratoire Charles Coulomb - L2C
Maksim Zholudev - Institute for Physics of Microstructures
V. Rumyantsev
V. Gavrilenko - Institute for Physics of Microstructures
S. Morozov
N. N. Mikhailov - Institute of Semiconductor Physics
S. A. Dvoretskii - Institute of Semiconductor Physics
Colloque: Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2014 39th International Conference on (Tucson, United States, 14/09/2014–19/09/2014)
Identifiants: 9937961309311
Unité académique: Laboratoire Charles Coulomb - L2C
Langue: English
Type de ressource: Conference proceeding
Champs locaux: hal-01265668