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We consider the implications of a phenomenological model self-energy for the charge transport properties of the metallic phase of the overdoped cuprate superconductors. The self-energy is the sum of two terms with characteristic…

Strongly Correlated Electrons · Physics 2012-07-30 Jure Kokalj , Nigel E. Hussey , Ross H. McKenzie

We report X-ray diffraction, magnetization and transport measurements for polycrystalline samples of the new layered superconductor Bi4-xAgxO4S3 (0<x<0.2). The superconducting transition temperature (TC) decreases gradually and finally…

Superconductivity · Physics 2013-01-09 S. G. Tan , P. Tong , Y. Liu , W. J. Lu , L. J. Li , B. C. Zhao , Y. P. Sun

Advanced microelectronics in the future may require semiconducting channel materials beyond silicon. Two-dimensional (2D) semiconductors, characterized by their atomically thin thickness, hold immense promise for high-performance electronic…

We have investigated the electrical resistivity, Seebeck coefficient and thermal conductivity of PdTe2 and 4% Cu intercalated PdTe2 compounds. Electrical resistivity for the compounds shows Bloch-Gruneisen type linear temperature (T)…

Strongly Correlated Electrons · Physics 2024-01-08 M. K. Hooda , C. S. Yadav

Paper based thermoresistive sensors are fabricated by rubbing WS2 powder against a piece of standard copier paper, like the way a pencil is used to write on paper. The abrasion between the layered material and the rough paper surface erodes…

Strain provides an effective means to tune the electrical properties while retaining the native chemical composition of the material. Unlike three-dimensional solids, two-dimensional materials withstand higher levels of elastic strain…

Mesoscale and Nanoscale Physics · Physics 2020-04-14 Ashby Phillip John , Arya Thenapparambil , Madhu Thalakulam

We report on transport measurement study of top-gated field effect transistors made out of InSb nanowires grown by chemical vapor deposition. The transistors exhibit ambipolar transport characteristics revealed by three distinguished…

Mesoscale and Nanoscale Physics · Physics 2020-03-25 B. Dalelkhan , D. Göransson , C. Thelander , K. Li , Y. J. Xing , V. F. Maisi , H. Q. Xu

We study the electronic and transport properties of a topological insulator nanowire including selective magnetic doping of its surfaces. We use a model which is appropriate to describe materials like Bi$_2$Se$_3$ within a k.p approximation…

Mesoscale and Nanoscale Physics · Physics 2016-01-06 Sergio Acero , Luis Brey , William Herrera , Alfredo Levy Yeyati

We report the superconductivity in the layered Zintl phase LiSn$_2$As$_2$, which is isostructural to NaSn$_2$As$_2$ and has a transition temperature ($T_{\mathrm{c}}$) of 1.6 K. Despite similar $T_{\mathrm{c}}$ and Debye temperatures,…

Superconductivity · Physics 2021-11-23 Junjie Wang , Xiangru Cui , Yimin Wan , Tianping Ying , Shiyan Li , Jiangang Guo

Characteristic for devices based on two-dimensional materials are their low size, weight and power requirements. This makes them advantageous for use in space instrumentation, including photovoltaics, batteries, electronics, sensors and…

Type-II W-lasers have made an important contribution to the development of mid-infrared laser diodes. In this paper, we show that a similar approach can yield high performance lasers in the optical communications wavelength range.…

Two-dimensional materials offer exceptional tunability of electronic and optical properties via strain and doping engineering. However, the unintentional introduction of polymeric residues during wet chemical 2D film transfer processes such…

We report electronic Raman scattering measurements of Sr(Fe$_{1-x}$Co$_x$)$_2$As$_2$ single crystals in their magnetic - Spin Density Wave (SDW) phase. The spectra display multiple, polarization-resolved SDW gaps as expected in a…

Superconductivity · Physics 2015-06-18 Y. -X. Yang , Y. Gallais , F. Rullier-Albenque , M. -A. Méasson , M. Cazayous , A. Sacuto , J. Shi , D. Colson , A. Forget

Temperature-dependent I-V and C-V spectroscopy of single InAs nanowire field-effect transistors were utilized to directly shed light on the intrinsic electron transport properties as a function of nanowire radius. From C-V…

Materials Science · Physics 2015-05-13 Alexandra Ford , Johnny Ho , Yu-Lun Chueh , Yu-Chih Tseng , Zhiyong Fan , Jing Guo , Jeffrey Bokor , Ali Javey

We report low-temperature electronic transport measurements performed in two multi-terminal Corbino samples formed in GaAs/Al-GaAs two-dimensional electron gases (2DEG) with both ultra-high electron mobility ($\gtrsim 20\times 10^6$…

Electron doping is an excellent tuning knob to explore different phases of matter in two-dimensional (2D) materials. For example, tuning the Fermi level at a van Hove singularity in twisted bilayer graphene can enhance electron-electron…

Mesoscale and Nanoscale Physics · Physics 2024-05-24 Aitor Garcia-Ruiz , Ming-Hao Liu

We present a detailed study of thermal and electrical transport behavior of single crystal Titanium disulphide flakes, which belongs to the two dimensional, transition metal dichalcogenide class of materials. In-plane Seebeck effect…

Mesoscale and Nanoscale Physics · Physics 2018-01-16 Dhavala Suri , Vantari Siva , Shalikram Joshi , Kartik Senapati , P. K. Sahoo , Shikha Varma , R. S. Patel

We performed detailed studies of the current-voltage characteristics in graphene/MoS2/metal vertical field-effect transistors. Owing to its low density of states, the Fermi level in graphene is very sensitive to its carrier density and thus…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Rai Moriya , Takehiro Yamaguchi , Yoshihisa Inoue , Yohta Sata , Sei Morikawa , Satoru Masubuchi , Tomoki Machida

The influence of substrate treatment with self-assembled monolayers and thermal annealing was analysed by electrical and structural measurements on field-effect transistors (FETs) and metal-insulator-semiconductor (MIS) diodes using…

Soft Condensed Matter · Physics 2007-05-23 S. Grecu , M. Roggenbuck , A. Opitz , W. Bruetting

Ternary intermetallic half-Heusler (HH) compounds (XYZ) with 18 valence electron count viz. ZrCoSb, ZrNiSn, and ZrPdSn, have revealed promising thermoelectric properties. Exemplarily, it has been experimentally observed that a slight change…

Materials Science · Physics 2021-11-02 Parul R. Raghuvanshi , Dipanwita Bhattacharjee , Amrita Bhattacharya