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A conduction-cooled superconducting magnet producing a transverse field of 4 Tesla has been designed for the new generation multi-field coupling measurement system, which was used to study the mechanical behavior of superconducting samples…

仪器与探测器 · 物理学 2016-01-20 Yuquan Chen , Lizhen Ma , Wei Wu , Mingzhi Guan , Beimin Wu , Enming Mei , Canjie Xin

Coupled double quantum dots (c-2QD) connected to leads have been widely adopted as prototype model systems to verify interference effects on quantum transport at the nanoscale. We provide here an analytic study of the thermoelectric…

介观与纳米尺度物理 · 物理学 2018-05-25 Guido Menichetti , Giuseppe Grosso , Giuseppe Pastori Parravicini

The thermoelectric performance at a given output power of a voltage-probe heat engine, exposed to an external magnetic field, is investigated in linear irreversible thermodynamics. For the model, asymmetric parameter, general figures of…

量子物理 · 物理学 2024-01-25 Zahra Sartipi , Javad Vahedi

Using Dynamical Mean Field Theory (DMFT) and Monte Carlo (MC) simulations, we study the ferromagnetic transition temperature Tc of a two-band model for Diluted Magnetic Semiconductors (DMS), varying coupling constants, hopping parameters,…

材料科学 · 物理学 2009-11-11 F. Popescu , Y. Yildirim , G. Alvarez , A. Moreo , E. Dagotto

Thermoelectric generators are particularly suitable to investigate the irreversible processes which govern the coupled transport of matter and heat in solid-state systems. We study the efficiency at maximum power in the strong coupling…

统计力学 · 物理学 2012-03-16 Y. Apertet , H. Ouerdane , C. Goupil , Ph. Lecoeur

We report synthesis, structure/micro-structure, resistivity under magnetic field [R(T)H], Raman spectra, thermoelectric power S(T), thermal conductivity K(T), and magnetization of ambient pressure argon annealed polycrystalline bulk samples…

超导电性 · 物理学 2015-05-13 V. P. S. Awana , Arpita Vajpaye , Monika Mudgel , H. Kishan , V. Ganesan , A. M. Awasthi , G. L. Bhalla

A new calorimeter for measurements of the AC heat capacity and magnetocaloric effect of small samples in pulsed magnetic fields is discussed for the exploration of thermal and thermodynamic properties at temperatures down to 2 K. We tested…

材料科学 · 物理学 2010-10-20 Yoshimitsu Kohama , Christophe Marcenat , Thierry Klein , Marcelo Jaime

Magnetic properties of the 1D mixed spin-1/2 and spin-S (S >1/2) transverse Ising model in the presence of an external longitudinal magnetic field are calculated exactly by the use of the generalised decoration-iteration mapping…

统计力学 · 物理学 2007-05-23 Jozef Strecka , Hana Cencarikova , Michal Jascur

The amazing possibility of magnetoelectric crystals to cross couple electric and magnetic properties without the need of time-dependent Maxwell's equations has attracted a lot of interest in material science. This enthusiasm has re-emerged…

材料科学 · 物理学 2016-06-08 Fabio Ricci , Eric Bousquet

The multi-terminal generalization of the steady-state density functional theory for the description of electronic and thermal transport (iq-DFT) is presented. The linear response regime of the framework is developed leading to exact…

介观与纳米尺度物理 · 物理学 2023-05-11 Nahual Sobrino , Roberto D'Agosta , Stefan Kurth

The primary impediment to continued improvement of charge-based electronics is the excessive energy dissipation incurred in switching a bit of information. With suitable choice of materials, devices made of multiferroic composites, i.e.,…

介观与纳米尺度物理 · 物理学 2017-10-03 Kuntal Roy

Wireless monitoring sensor gradually replaces wired equipment for data support in petrochemical industry production. And wireless monitoring sensor with continuous energy supply is necessary and still faces great challenges. Thermoelectric…

信号处理 · 电气工程与系统科学 2023-04-11 Bo Li , Xiao-Liang Guo , Yu-Tao Li

Simultaneously guiding electromagnetic waves and heat flow at any incidence angle to smoothly bypass some electromagnetic/thermal sensitive elements is a key factor to ensure efficient communication and thermal protection for an on-chip…

应用物理 · 物理学 2024-06-26 Yichao Liu , Hanchuan Chen , Gang Zhao , Fei Sun

This study investigates the giant magneto-thermal resistance (GMTR) effect in a fully-bcc epitaxial Co50Fe50/Cu multilayer through both experimental and theoretical approaches. The applied magnetic field results in a giant change of the…

We analyze the power output of a quantum dot machine coupled to two electronic reservoirs via thermoelectric contacts, and to two thermal reservoirs - one hot and one cold. This machine is a nanoscale analogue of a conventional thermocouple…

介观与纳米尺度物理 · 物理学 2016-11-11 Robert. S. Whitney , Rafael Sánchez , Federica Haupt , Janine Splettstoesser

The Weyl semimetal NbP exhibits an extremely large magnetoresistance (MR) and an ultra-high mobility. The large MR originates from a combination of the nearly perfect compensation between electron- and hole-type charge carriers and the high…

Multiferroics, where two or more ferroic order parameters coexist, is one of the hottest fields in condensed matter physics and materials science[1-9]. However, the coexistence of magnetism and conventional ferroelectricity is physically…

材料科学 · 物理学 2016-03-11 Xiangang Wan , Hang-Chen Ding , Sergey Y. Savrasov , Chun-Gang Duan

We study magnetic state and electron transport properties of composite multiferroic system consisting of a granular ferromagnetic thin film placed above the ferroelectric substrate. Ferroelectricity and magnetism in this case are coupled by…

无序系统与神经网络 · 物理学 2015-06-19 O. G. Udalov , N. M. Chtchelkatchev , I. S. Beloborodov

During recent years, microelectronics helped to develop complex and varied technologies. It appears that many of these technologies can be applied successfully to realize Seebeck micro generators: photolithography and deposition methods…

其他计算机科学 · 计算机科学 2007-11-29 Guillaume Savelli , Marc Plissonnier , Jacqueline Bablet , C. Salvi , J. M. Fournier

We predict a huge anisotropic thermal magnetoresistance (ATMR) in the near-field radiative heat transfer between magneto-optical particles when the direction of an external magnetic field is changed with respect to the heat current…

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