English
Related papers

Related papers: Optical Shubnikov - de Haas oscillations in 2D ele…

200 papers

The frequencies of Shubnikov-de Haas oscillations have long been used to measure the unequal population of spin-split two-dimensional subbands in inversion asymmetric systems. We report self-consistent numerical calculations and…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 R. Winkler , S. J. Papadakis , E. P. De Poortere , M. Shayegan

The quantum de Haas van Alphen (dHvA) and Shubnikov de Haas (SdH) oscillations measured in graphite were decomposed by pass-band filtering onto contributions from three different groups of carriers. We develop the two-dimensional phase…

Strongly Correlated Electrons · Physics 2007-05-23 Igor A. Luk'yanchuk , Yakov Kopelevich

We present a model for microwave photoconductivity in two-dimensional electron systems (2DESs) in a magnetic field at the microwave frequencies lower that the electron cyclotron frequency when the intra-Landau level (LL) transitions…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 V. Ryzhii

This paper has been withdrawn by the authors. Measurements at many different angles spanning a broad range of electron densities indicate that the observed doubling of the period of Shubnikov-de Haas oscillations, which we had attributed to…

Strongly Correlated Electrons · Physics 2007-05-23 S. A. Vitkalov , H. Zheng , K. M. Mertes , M. P. Sarachik , T. M. Klapwijk

Shubnikov - de Haas oscillations were measured in single crystals of highly metallic antiferromagnetic SmAgSb$_{2}$ and ferromagnetic CeAgSb$_{2}$ using a tunnel diode resonator. Resistivity oscillations as a function of applied magnetic…

Strongly Correlated Electrons · Physics 2011-11-09 Ruslan Prozorov , Matthew D. Vannette , German D. Samolyuk , Stephanie A. Law , Sergey L. Bud'ko , Paul C. Canfield

Recently discovered modulations of Shubnikov-de Haas oscillations in microwave-irradiated two-dimensional electron systems are shown to arise from electron heating induced by the radiation. The electron temperature, obtained by balancing…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 X. L. Lei , S. Y. Liu

Quantum oscillations in magnetoconductance of a material at low temperatures and in presence of an intense magnetic field are described by the Shubnikov de Haas (SdH) effect. It is widely assumed to be the hallmark of the Fermi surface of a…

Strongly Correlated Electrons · Physics 2022-01-12 Debabrata Sinha , A. Taraphder

Transport properties of a two-dimensional electron gas (2DEG) are studied in the presence of a perpendicular magnetic field $B$, of a {\it weak} one-dimensional (1D) periodic potential modulation, and of the spin-orbit interaction (SOI)…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 X. F. Wang , P. Vasilopoulos , F. M. Peeters

The Shubnikov - de Haas effect in quasi-two-dimensional compounds is studied. The conductivity is calculated from the Kubo formula. Two effects -- the field-dependent phase shift of the beats and the slow oscillations of the conductivity…

Statistical Mechanics · Physics 2007-05-23 P. D. Grigoriev , M. V. Kartsovnik , W. Biberacher , P. Wyder

We report experimental measurements and theoretical analysis of Shubnikov-de Haas (SdH) oscillations in a Dirac cone system: the a-(BEDT-TTF)2I3 organic metal under hydrostatic pressure. The measured SdH oscillations reveal anomalies at…

Mesoscale and Nanoscale Physics · Physics 2017-12-05 E. Tisserond , J. N. Fuchs , M. O. Goerbig , P. Auban-Senzier , C. Meziere , P. Batail , Y. Kawasugi , M. Suda , H. M. Yamamoto , R. Kato , N. Tajima , M. Monteverde

Magneto-oscillations in two-dimensional systems with spin-orbit interaction are typically characterized by fast Shubnikov-de~Haas (SdH) oscillations and slower spin-orbit-related beatings. The characterization of the full SdH oscillatory…

Mesoscale and Nanoscale Physics · Physics 2024-05-24 Hamed Gramizadeh , Denis R. Candido , Andrei Manolescu , J. Carlos Egues , Sigurdur I. Erlingsson

We provide the first observation of weak localization in high carrier density two-dimensional electron gas in AlInN/GaN heterostructures; at low temperatures and low fields the conductivity increases with increasing magnetic field. Weak…

Mesoscale and Nanoscale Physics · Physics 2018-02-14 Leizhi Wang , Ming Yin , Asif Khan , Sakib Muhtadi , Fatima Asif , Eun Sang Choi , Timir Datta

The Lifshitz-Kosevich (LK) theory is the pillar of magnetic quantum oscillations, which have been extensively applied to characterize a wide range of metallic states. In this study, we focus on the Shubnikov-de Haas (SdH) effect observed in…

Materials Science · Physics 2023-10-11 Wei Zhang , C. N. Kuo , S. T. Kuo , Chun Wa So , Jianyu Xie , Kwing To Lai , Wing Chi Yu , C. S. Lue , Hoi Chun Po , Swee K. Goh

We study the magnetotransport properties of high mobility holes in monolayer and bilayer WSe$_2$, which display well defined Shubnikov-de Haas (SdH) oscillations, and quantum Hall states (QHSs) in high magnetic fields. In both mono and…

We measured Shubnikov-de Haas (SdH) oscillations in GaAs (100) two-dimensional holes to determine the inversion asymmetry-induced spin splitting. The Fourier spectrum of the SdH oscillations contains two peaks, at frequencies $f_-$ and…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 B. Habib , E. Tutuc , S. Melinte , M. Shayegan , D. Wasserman , S. A. Lyon , R. Winkler

Metallic Bi2Te3 crystalline sheets with the room-temperature resistivity of above 10 m{\Omega} cm were prepared and their magnetoresistive transport was measured in a field of up to 9 Tesla. The Shubnikov de Haas oscillations were…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Taishi Chen , Junhao Han , Zhaoguo Li , Fengqi Song , Bo Zhao , Xuefeng Wang , Baigeng Wang , Jianguo Wan , Min Han , Rong Zhang , Guanghou Wang

Magneto resistance measurements coupled with positron lifetime measurements, to characterize the vacancy type defects, have been carried out on the topological insulator (TI) system Bi2Se3, of varying Se/Bi ratio. Pronounced Shubnikov de…

We analyze the behavior of the longitudinal conductivity $\sigma_{zz}$ in a field perpendicular to the highly conducting plane of a quasi-2D {\em multiband} metal in the case of closed system and open systems where $\tau$ is fixed, $\tau$…

Mesoscale and Nanoscale Physics · Physics 2008-02-29 I. O. Thomas , V. V. Kabanov , A. S. Alexandrov

Shubnikov-de Haas (SdH) oscillations and magneto-intersubband oscillations of magnetoresistance of structures with single HgTe quantum wells with a width of (10-18) nm have been experimentally studied. The spectrum of the conduction band in…

Mesoscale and Nanoscale Physics · Physics 2024-05-31 G. M. Minkov , O. E. Rut , A. A. Sherstobitov , A. V. Germanenko , S. A. Dvoretski , N. N. Mikhailov

The Shubnikov - de Haas effect in quasi-two-dimensional normal metals is studied. The interlayer conductivity is calculated using the Kubo formula. The electron scattering on short-range is considered in the self-consistent Born…

Statistical Mechanics · Physics 2009-11-07 P. D. Grigoriev