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We introduce and solve a model of a thermometric measurement on a driven glassy system in a stationary state. We show that a thermometer with a sufficiently slow response measures a temperature higher than that of the environment, but that…

Statistical Mechanics · Physics 2009-10-31 Raphael Exartier , Luca Peliti

A sensor for thermal and thermodynamic measurements of small magnetic systems have been designed and built. It is based on a 5μm-thick suspended polymer membrane, which has a very low heat capacity (≈ 10-6 J/K at nitrogen…

Mesoscale and Nanoscale Physics · Physics 2016-08-16 Olivier Bourgeois , Cristina Macovei , Emmanuel André , Jean-Luc Garden , Jacques Chaussy , Dominique Givord

The reduction of the thermal conductivity in nanostructures opens up the possibility of exploiting for thermoelectric purposes also materials such as silicon, which are cheap, available and sustainable but with a high thermal conductivity…

Mesoscale and Nanoscale Physics · Physics 2018-02-14 G. Pennelli , E. Dimaggio , M. Macucci

A three-way coupled thermo-mechanical fracture model is presented to predict the damage of brittle ceramics, in particular {\alpha}-SiC, over a wide range of temperatures (20-1400 C). Predicting damage over such a range of temperatures is…

Materials Science · Physics 2026-03-06 Jason Sun , Yu Chen , Joseph J. Marziale , Eric A. Walker , David Salac , James Chen

Noncollinear magnetic moments in antiferromagnets (AFM) lead to a complex behavior of electrical transport, even to a decreasing resistivity due to an increasing temperature. Proper treatment of such phenomena is required for understanding…

Materials Science · Physics 2020-06-19 David Wagenknecht , Karel Výborný , Karel Carva , Ilja Turek

The gain of silicon photomultipliers (SiPMs) increases with bias voltage and decreases with temperature. To operate SiPMs at stable gain, the bias voltage can be readjusted to compensate for temperature changes. We have tested this concept…

Instrumentation and Detectors · Physics 2019-05-22 G. Eigen , J. Cvach , J. Kvasnicka , I. Polak , A. Træet , J. Zalieckas

Dynamic magnetic properties and ageing phenomena of the re-entrant ferromagnet (Fe0.20Ni0.80)75P16B6Al3 are investigated by time dependent zero field cooled magnetic relaxation, m (t), measurements. The influence of a temperature cycling…

Disordered Systems and Neural Networks · Physics 2009-10-31 Kristian Jonason , Per Nordblad

We calculate the transition temperature in ultranarrow superconducting wires as a function of wire width, resistance and applied magnetic field. We compare the results of first-order perturbation theory and the non-perturbative resummation…

Superconductivity · Physics 2009-10-31 Robert A Smith , Beccy S Handy , Vinay Ambegaokar

Molecular conduction channels between two ferromagnetic electrodes can produce strong exchange coupling and dramatic effect on the spin transport, thus enabling the realization of novel logic and memory devices. However, fabrication of…

Mesoscale and Nanoscale Physics · Physics 2019-12-04 Pawan Tyagi

We add relaxation mechanisms that mimic the effect of temperature and non-equilibrium driving to the recently-proposed spiral model which jams at a critical density rho_c < 1. This enables us to explore unjamming by temperature or driving…

Soft Condensed Matter · Physics 2010-05-20 Yair Shokef , Andrea J. Liu

We propose a model of carrier-mediated ferromagnetism in semiconductors that accounts for the temperature dependence of the carriers. The model permits analysis of the thermodynamic stability of competing magnetic states, opening the door…

Materials Science · Physics 2010-11-09 A. G. Petukhov , Igor Zutic , Steven C. Erwin

This paper presents an analysis of the conceptual design of a novel silicon suspension for the cryogenic test-mass mirrors of the low-frequency detector of the Einstein Telescope gravitational-wave observatory. In traditional suspensions,…

Microelectromechanical systems (MEMS) can offer a competitive alternative for conventional technology in electrical precision measurements. This article summarises recent work in development of MEMS solutions for electrical metrology.…

Instrumentation and Detectors · Physics 2007-07-05 Antti Manninen , Anu Karkkainen , Nadine Pesonen , Aarne Oja , Heikki Seppa

Inspired by some recent experiments and numerical works related to nanoresonators, we perform classical molecular dynamics simulations to investigate the thermal expansion and the ability of the device to act as a strain sensor assisted by…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 Agustín Mancardo Viotti , Alejandro G. Monastra , Mariano F. Moreno , M. Florencia Carusela

In this paper, CFD approach is used to simulate the thermal behavior in a sensitive high-Q gyroscope. The electromagnetically driving wires, in which AC current flows, are treated as Joule heat sources in the model. We found that the…

Other Computer Science · Computer Science 2007-11-29 Fei Duan , J. Jiao , Y. Wang

Using a one-dimensional tight-binding Anderson model, we study a disordered nanowire in the presence of an external gate which can be used for depleting its carrier density (field effect transistor device configuration). In this first…

Mesoscale and Nanoscale Physics · Physics 2014-05-01 Riccardo Bosisio , Geneviève Fleury , Jean-Louis Pichard

We study the nonequilibrium dynamics of a mesoscopic metallic ring threaded by a time-dependent magnetic field and coupled to an electronic reservoir. We analyze the relation between the (non-stationary) real-time Keldysh and retarded Green…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Liliana Arrachea , Leticia F. Cugliandolo

The stability of magnetic skyrmions has been investigated in the past, but mostly in the absence of thermal fluctuations. However, thermal spin fluctuations modify the magnetic properties (exchange stiffness, Dzyaloshinskii-Moriya…

Materials Science · Physics 2023-10-06 Ioannis Charalampidis , Joseph Barker

We apply the muffin-tin effective medium approximation to calculate the temperature dependence of the resistivity and of the thermopower of amorphous and liquid metals. The results show unambiguously that a large resistivity is accompanied…

Condensed Matter · Physics 2009-10-28 Ulrich Werner , Raymond Fresard

The effect of the electron temperature on both the light absorption and the scattering by metal nanoparticles (MNs) with excitation of the surface plasmon electron vibrations is studied in the framework of the kinetic theory. The formulae…

Mesoscale and Nanoscale Physics · Physics 2013-11-25 N. I. Grigorchuk
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