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Related papers: Weak Localization in Few-Layer Black Phosphorus

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We present transport measurements on high-mobility bilayer graphene fully encapsulated in hexagonal boron nitride. We show two terminal quantum Hall effect measurements which exhibit full symmetry broken Landau levels at low magnetic…

Mesoscale and Nanoscale Physics · Physics 2014-10-01 S. Engels , B. Terrés , A. Epping , T. Khodkov , K. Watanabe , T. Taniguchi , B. Beschoten , C. Stampfer

Black phosphorus has been revisited recently as a new two-dimensional material showing potential applications in electronics and optoelectronics. Here we report the anisotropic in-plane thermal conductivity of suspended few-layer black…

Mesoscale and Nanoscale Physics · Physics 2015-10-20 Zhe Luo , Jesse Maassen , Yexin Deng , Yuchen Du , Richard P. Garrelts , Mark S. Lundstrom , Peide D. Ye , Xianfan Xu

Electron transport in thin metallic wires and films is strongly influenced by the quality of their surface. Weak localization and magnetoconductivity are also sensitive to the electron scattering at the edges of the sample. We study weak…

Mesoscale and Nanoscale Physics · Physics 2016-10-26 E. Khalaf , P. M. Ostrovsky

Black phosphorus (BP), a two-dimensional (2D) van der Waals layered material composed of phosphorus atoms, has been one of the most actively studied 2D materials in recent years due to its tunable energy band gap (tunable even to a negative…

Mesoscale and Nanoscale Physics · Physics 2019-04-08 Sanghyun Park , Seungchan Woo , Hongki Min

Large reductions of the superconducting transition temperature $T_{c}$ and the accompanying loss of the thermal electrical resistivity (electron-phonon interaction) due to radiation damage have been observed for several A15 compounds,…

Superconductivity · Physics 2009-10-31 Mi-Ae Park , Yong-Jihn Kim

Low temperature magnetoconductance measurements were made in the vicinity of the charge neutrality point. Two origins for the fluctuations were identified close to the CNP. At very low magnetic fields there exist only mesoscopic…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Simon Branchaud , Alicia Kam , Piotr Zawadzki , Francois M. Peeters , Andrew S. Sachrajda

Black phosphorus (BP) is a two-dimensional layered material composed of phosphorus atoms. Recently, it was demonstrated that external perturbations such as an electric field close the band gap in few-layer BP, and can even induce a band…

Mesoscale and Nanoscale Physics · Physics 2019-03-11 Jiho Jang , Seongjin Ahn , Hongki Min

We investigate theoretically the Landau levels (LLs) and magneto-transport properties of phosphorene under a perpendicular magnetic field within the framework of the effective \textbf{\emph{k$\cdot$p}} Hamiltonian and tight-binding (TB)…

Mesoscale and Nanoscale Physics · Physics 2015-07-13 X. Y. Zhou , R. Zhang , J. P. Sun , Y. L. Zou , D. Zhang , W. K. Lou , F. Cheng , G. H. Zhou , F. Zhai , Kai Chang

We study the dimensional crossover of weak localization in strongly anisotropic systems. This crossover from three-dimensional behavior to an effective lower dimensional system is triggered by increasing temperature if the phase coherence…

Disordered Systems and Neural Networks · Physics 2009-10-30 C. Mauz , A. Rosch , P. Woelfle

We present a theory of the magnetotransport in weakly disordered metals close to an antiferromagnetic quantum-critical point. The anisotropic scattering from critical spin fluctuations is strongly influenced by weak but isotropic scattering…

Strongly Correlated Electrons · Physics 2009-10-31 A. Rosch

The origin of p-type conductivity and the mechanism responsible for low carrier mobility was investigated in pyrite (FeS2) thin films. Temperature dependent resistivity measurements were performed on polycrystalline and nanostructured thin…

Electron transport properties of a topological insulator Bi$_2$Se$_3$ thin film are studied in Hall-bar geometry. The film with a thickness of 10 nm is grown by van der Waals epitaxy on fluorophlogopite mica and Hall-bar devices are…

Mesoscale and Nanoscale Physics · Physics 2016-01-26 Yumei Jing , Shaoyun Huang , Kai Zhang , Jinxiong Wu , Yunfan Guo , Hailin Peng , Zhongfan Liu , H. Q. Xu

Quantum transport phenomena allow experimental assessment of the phase coherence information in metals. We report quantitative comparisons of coherence lengths inferred from weak localization magnetoresistance measurements and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. Trionfi , S. Lee , D. Natelson

We study diffusive magnetotransport in highly p-doped large area twisted bilayer graphene in 1{\deg}, 7{\deg}, 9{\deg} and 20{\deg} samples. We report weak localization in twisted bilayer graphene for the first time. All samples exhibit…

The effect of fluctuations on the transport and thermodynamic properties of two-dimensional superconductors in a magnetic field is studied at low temperature. The fluctuation conductivity is calculated in the framework of the perturbation…

Superconductivity · Physics 2009-10-31 Victor Galitski , A. I. Larkin

Implementing topological insulators as elementary units in quantum technologies requires a comprehensive understanding of the dephasing mechanisms governing the surface carriers in these materials, which impose a practical limit to the…

We suggest that negative magnetoresistance in small magnetic fields at temperatures lower than 3 K reported in the paper under discussion may be related to superconducting transition in In leads (with Tc = 3.4 K).

Mesoscale and Nanoscale Physics · Physics 2009-12-04 N. V. Agrinskaya , V. I. Kozub

Colossal negative magnetoresistance \Delta \rho (T,B) observed in La(0.6)Y(0.1)Ca(0.3)MnO(3) at B=1T shows a nearly perfect symmetry around T_0=160K suggesting a universal field-induced transport mechanism in this material. Attributing this…

Strongly Correlated Electrons · Physics 2009-10-31 S. Sergeenkov , H. Bougrine , M. Ausloos , A. Gilabert

The transport properties of nematic aerogels, which consist of highly oriented Al$_2$O$_3\cdot$SiO$_2$ nanofibers coated with a graphene shell with a large number of defects, are studied. The temperature dependences of the electrical…

Mesoscale and Nanoscale Physics · Physics 2022-03-16 V. I. Tsebro , E. G. Nikolaev , L. B. Lugansky , M. S. Kutuzov , R. A. Khmel'nitskii , A. A. Tonkikh , A. I. Khar'kovskii

The weak-localization contribution \delta\sigma(B) to the conductivity of a tunnel-coupled double-layer electron system is evaluated and its behavior in weak magnetic fields B perpendicular or parallel to the layers is examined. In a…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 O. E. Raichev , P. Vasilopoulos
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