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Anisotropic thermoelectrics is a very interesting topic among recent research. The transport distribution function plays the central role on modeling the anisotropic thermoelectrics. The methodology of numerical integrations is used in…

Materials Science · Physics 2015-06-19 Shuang Tang , Mildred Dresselhaus

The thermal conductivities of beta-Ga2O3 single crystals along four different crystal directions were measured in the temperature range of 80-495K using the time domain thermoreflectance (TDTR) method. A large anisotropy was found. At room…

The semiconducting oxide $\beta$-Gallium Oxide ($\beta$-Ga$_{2}$O$_{3}$) possesses a monoclinic unit cell whose low symmetry generally leads to anisotropic physical properties. For example, its electrical conductivity is generally described…

Thermal conductivity measurement techniques for materials with nanoscale dimensions require fabrication of very complicated devices or their applicability is limited to a class of materials. Discovery of new methods with high thermal…

In many situations, the dual-purpose heater/thermometer wires used in the three-omega method, one of the most precise and sensitive techniques for measuring the thermal conductivity of thin films and interfaces, must include bends and…

Materials Science · Physics 2021-11-03 Gabriel R. Jaffe , Victor W. Brar , Max G. Lagally , Mark A. Eriksson

Nanomechanical resonators have emerged as sensors with exceptional sensitivities. These sensing capabilities open new possibilities in the studies of the thermodynamic properties in condensed matter. Here, we use mechanical sensing as a…

Thin film YIG (Y$_3$Fe$_5$O$_{12}$) is a prototypical material for experiments on thermally generated pure spin currents and the spin Seebeck effect. The 3-omega method is an established technique to measure the cross-plane thermal…

Materials Science · Physics 2015-09-09 C. Euler , P. Hołuj , T. Langner , A. Kehlberger , V. I. Vasyuchka , M. Kläui , G. Jakob

Recent advancements in soft robots, human-machine interfaces, and wearable electronics have led to an increased demand for high-performance soft tactile sensors. Tomographic tactile sensor based on resistive coupling is a novel contact…

Human-Computer Interaction · Computer Science 2024-06-04 Shunsuke Yoshimoto , Koji Sakamoto , Rina Takeda , Akio Yamamoto

Measurements of the resistivity anisotropy can provide crucial information about the electronic structure and scattering processes in anisotropic and low-dimensional materials, but quantitative measurements by conventional means often…

Strongly Correlated Electrons · Physics 2017-04-26 P. Walmsley , I. R. Fisher

We use semiclassical Boltzmann transport theory to analytically study the electronic contribution to the linear thermoelectric response of anisotropic two-dimensional materials subjected to a perpendicular magnetic field. Conventional…

Mesoscale and Nanoscale Physics · Physics 2025-07-15 Maryam Nezafat , Shahin Barati , Saeed H. Abedinpour

Atomically thin materials such as graphene and semiconducting transition metal dichalcogenides (TMDCs) have attracted extensive interest in recent years, motivating investigation into multiple properties. In this work, we demonstrate a…

Materials Science · Physics 2015-09-24 Xian Zhang , Dezheng Sun , Yilei Li , Gwan-Hyoung Lee , Xu Cui , Daniel Chenet , Yumeng You , Tony Heinz , James Hone

We performed ab-initio driven density functional theory-based high throughput computations to search for materials with low thermal conductivity and high thermal transport anisotropy. We shortlisted a pool of 429 stable ternary…

Materials Science · Physics 2022-04-12 Ankit Jain , Harish P Veeravenkata , Shravan Godse , Yagyank Srivastava

We propose a model and derive analytical expressions for conductivity in heterogeneous fully anisotropic conductors with ellipsoid superconducting inclusions. This model and calculations are useful to analyze the observed temperature…

Superconductivity · Physics 2018-10-02 S. S. Seidov , K. K. Kesharpu , P. I. Karpov , P. D. Grigoriev

Transition metal dichalcogenide (TMD) alloys have attracted great interests in recent years due to their tunable electronic properties, especially the semiconductor-metal phase transition, along with their potential applications in…

Materials Science · Physics 2018-06-13 Xin Qian , Puqing Jiang , Peng Yu , Xiaokun Gu , Zheng Liu , Ronggui Yang

Time-domain thermoreflectance (TDTR) and frequency-domain thermoreflectance (FDTR) have been widely used for non-contact measurement of anisotropic thermal conductivity of materials with high spatial resolution. However, the requirement of…

Applied Physics · Physics 2023-01-25 Jinchi Sun , Guangxin Lv , David G. Cahill

We present theoretical calculations of the thermal conductivity for the accidental degeneracy and enlarged symmetry group models that have been proposed to explain the phase diagram of UPt3. The order parameters for these models possess…

Superconductivity · Physics 2011-04-08 M. J. Graf , S. -K. Yip , J. A. Sauls

We have developed a transient thermoreflectance technique using picosecond pulsed and cw laser to study thermal conductivity and interface conductance in both thin-films and bulk materials. A real time-resolved system observes a thermal…

Materials Science · Physics 2021-08-27 Jihoon Jeong , Xianghai Meng , Ann Kathryn Rockwell , Seth R Bank , Wen-Pin Hsieh , Jung-fu Lin , Yaguo Wang

Although the electrical transport properties of mesoscopic metallic samples have been investigated extensively over the past two decades, the thermal properties have received far less attention. This may be due in part to the difficulty of…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 D. A. Dikin , S. Jung , V. Chandrasekhar

We study the conductivity of a strongly coupled striped superconductor using gauge/gravity duality (holography). The study is done analytically, in the large modulation regime. We show that the optical conductivity is inhomogeneous but…

High Energy Physics - Theory · Physics 2014-01-29 Jimmy A. Hutasoit , George Siopsis , Jason Therrien

Thermal conductivity, point contact spectroscopy, angle-resolved photoemission and Raman spectroscopy measurements were performed on BaFe1.9Pt0.1As2 single crystals obtained from the same synthesis batch in order to investigate the…