English
Related papers

Related papers: Low temperature field-effect in crystalline organi…

200 papers

Recently, a novel material with bilayer kagome lattice Ca$_{10}$Cr$_7$O$_{28}$ was proposed to be a gapless quantum spin liquid, due to the lack of long-range magnetic order and the observation of broad diffuse excitations. Here, we present…

Strongly Correlated Electrons · Physics 2018-11-02 J. M. Ni , Q. Y. Liu , Y. J. Yu , E. J. Cheng , Y. Y. Huang , Z. Y. Liu , X. J. Wang , Y. Sui , S. Y. Li

Finite-bandwidth effects on the temperature dependence of the mobility of injected carriers in pure organic crystals are explored for a simplifed case of impurity scattering. Temperature-dependent bandwidth effects are discussed briefly…

Soft Condensed Matter · Physics 2009-11-07 V. M. Kenkre

We describe several experimental methods to quantify dynamics in electron glasses and illustrate their use in the glassy phase of crystalline indium-oxide films. These methods are applied to study the dependence of dynamics on temperature…

Disordered Systems and Neural Networks · Physics 2009-11-11 Z. Ovadyahu

Copper oxide thin films are deposited on quartz substrates by DC magnetron sputtering and the effect of deposition temperature on their optoelectronic properties is examined in detail. Scanning Electron Microscopy (SEM), X-ray diffraction…

Materials Science · Physics 2022-12-26 Aarju Mathew Koshy , A Sudha , Satyesh Kumar Yadav , Parasuraman Swaminathan

Recent experiments have demonstrated that the performances of organic FETs strongly depend on the dielectric properties of the gate insulator. In particular, it has been shown that the temperature dependence of the mobility evolves from a…

Strongly Correlated Electrons · Physics 2009-11-13 S. Fratini , A. F. Morpurgo , S. Ciuchi

We study the intrinsic transport properties of suspended graphene devices at high fields (>1 V/um) and high temperatures (>1000 K). Across 15 samples, we find peak (average) saturation velocity of 3.6x10^7 cm/s (1.7x10^7 cm/s), and peak…

Mesoscale and Nanoscale Physics · Physics 2013-12-02 Vincent E. Dorgan , Ashkan Behnam , Hiram J. Conley , Kirill I. Bolotin , Eric Pop

In this perspective, we discuss thermal imbalance and the associated electron-mediated thermal transport in quantum electronic devices at very low temperatures. We first present the theoretical approaches describing heat transport in…

Mesoscale and Nanoscale Physics · Physics 2024-04-09 Danial Majidi , Justin P. Bergfield , Ville Maisi , Johannes Höfer , Hervé Courtois , Clemens B. Winkelmann

In this work, we explore the origin and type of charge carriers, and their transport mechanism in polycrystalline barium-iron-niobate (BFN, BaFe$_{0.5}$Nb$_{0.5}$O$_3$) ceramics, at lower temperatures between 20K and 300K. The observed…

Materials Science · Physics 2024-07-11 Vijay Khopkar , Balaram Sahoo

The thermal conductivity of graphene nanoribbons (layer from 1 to 8 atomic planes) is investigated by using the nonequilibrium molecular dynamics method. We present that the room-temperature thermal conductivity decays monotonically with…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Wei-Rong Zhong , Mao-Ping Zhang , Bao-Quan Ai , Dong-Qin Zheng

Ga2O3 thin films were deposited by reactive magnetron sputtering from a liquid gallium target. The influence of deposition temperature, substrate type, and discharge parameters on the structural and electrical properties was systematically…

Materials Science · Physics 2026-05-01 Petr Novak , Jan Koloros , Stanislav Haviar , Jiri Rezek , Pavel Baroch

Radiative thermal diodes based on two-element structures rectify heat flows thanks to a temperature dependence of material optical properties. The heat transport asymmetry through these systems, however, remains weak without a significant…

Mesoscale and Nanoscale Physics · Physics 2021-07-15 Ivan Latella , Philippe Ben-Abdallah , Moladad Nikbakht

Lithium-intercalated layered transition-metal oxides, LixTMO2, brought about a paradigm change in rechargeable batteries in recent decades and show promise for use in memristors, a type of device for future neural computing and on-chip…

Materials Science · Physics 2021-05-31 Tianli Feng , Andrew O'Hara , Sokrates T. Pantelides

We report a study of the low-temperature heat transport in the quasi-one-dimensional S = 1/2 alternating antiferromagnetic-ferromagnetic chain compound (CH_{3})_{2}NH_{2}CuCl_{3}. Both the temperature and magnetic-field dependencies of…

Strongly Correlated Electrons · Physics 2011-10-20 L. M. Chen , X. M. Wang , W. P. Ke , Z. Y. Zhao , X. G. Liu , C. Fan , Q. J. Li , X. Zhao , X. F. Sun

We have fabricated suspended few layer (1-3 layers) graphene nanoribbon field effect transistors from unzipped multiwall carbon nanotubes. Electrical transport measurements show that current-annealing effectively removes the impurities on…

A nanowire with its two ends fixed at two different temperatures by external baths is the simplest example of a fermionic system with a temperature inhomogeneity, and could be an easy platform to study thermodynamic and transport properties…

Mesoscale and Nanoscale Physics · Physics 2025-04-07 Yuan Gao , K. A. Muttalib

We use low energy optical spectroscopy and first principles LDA+DMFT calculations to test the hypothesis that the anomalous transport properties of strongly correlated metals originate in the strong temperature dependence of their…

Strongly Correlated Electrons · Physics 2014-12-09 Xiaoyu Deng , Aaron Sternbach , Kristjan Haule , D. N. Basov , Gabriel Kotliar

Low carrier mobility and high electrical contact resistance are two major obstacles prohibiting explorations of quantum transport in TMDCs. Here, we demonstrate an effective method to establish low-temperature Ohmic contacts in boron…

The effect of low magnetic fields on the transport properties of a manganite compound with magnetic phase separation is studied. The different behavior obtained in samples of La0.5Ca0.5MnO3 related to the way in which the low field is…

Materials Science · Physics 2019-08-17 F. Parisi , P. Levy , L. Ghivelder , G. Polla , D. Vega

Transport properties of progressively reduced graphene oxide (GO) are described. Evolution of the electronic properties reveals that as-synthesized GO undergoes insulator-semiconductor-semi-metal transitions with reduction. The apparent…

Materials Science · Physics 2009-05-19 Goki Eda , Cecilia Mattevi , Hisato Yamaguchi , HoKwon Kim , Manish Chhowalla

Graphene-like two-dimensional (2D) materials, not only are interesting for their exotic electronic structure and fundamental electronic transport or optical properties but also, hold promises for device miniaturization down to atomic…