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Thermally conductive polymers are of fundamental interest and can also be exploited in thermal management applications. Recent studies have shown stretched polymers can achieve high thermal conductivity. However, the transport mechanisms of…

We present a fast and simple way to determine the erosion rate and absorption coefficient of hydrogenated amorphous carbon films exposed to a hydrogen atomic source based on ex-situ Raman micro-spectroscopy. Results are compared to…

Materials Science · Physics 2013-08-22 Cedric Pardanaud , E. Aréou , C. Martin , R. Ruffe , T. Angot , P. Roubin , C. Hopf , T. Schwarz-Selinger , W. Jacob

The ability to control electronic properties of a material by externally applied voltage is at the heart of modern electronics. In many cases, it is the so-called electric field effect that allows one to vary the carrier concentration in a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 K. S. Novoselov , A. K. Geim , S. V. Morozov , S. V. Dubonos , Y. Zhang , D. Jiang

Promising applications in photonics are driven by the ability to fabricate crystal-quality metal thin films of controlled thickness down to a few nanometers. In particular, these materials exhibit a highly nonlinear response to optical…

Mesoscale and Nanoscale Physics · Physics 2023-08-21 A. Rodríguez Echarri , F. Iyikanat , S. Boroviks , N. Asger Mortensen , Joel D. Cox , F. Javier García de Abajo

We introduce a direct (Seebeck) and inverse (Peltier) thermoelectric effect induced by electron tunneling between closely separated conducting films. When a transverse temperature gradient is applied along one of two films, a bias voltage…

Mesoscale and Nanoscale Physics · Physics 2024-09-10 Mauricio Gómez Viloria , Riccardo Messina , Philippe Ben-Abdallah

The progress of semiconductor electronics toward ever-smaller length scales and associated higher power densities brings a need for new high-resolution thermal microscopy techniques. Traditional thermal microscopy is performed by detecting…

Materials Science · Physics 2015-05-13 Todd Brintlinger , Yi Qi , Kamal H. Baloch , David Goldhaber-Gordon , John Cumings

Decoherence is a major obstacle to any practical implementation of quantum information processing. One of the leading strategies to reduce decoherence is dynamical decoupling --- the use of an external field to average out the effect of the…

Quantum Physics · Physics 2011-07-26 Ido Almog , Yoav Sagi , Goren Gordon , Guy Bensky , Gershon Kurizki , Nir Davidson

The current development of digital image correlation, whose displacement uncertainty is well below the pixel value, enables one to better characterise the behaviour of materials and the response of structures to external loads. A general…

Classical Physics · Physics 2016-08-16 François Hild , Stéphane Roux

Using the plasma model for the metal dielectric function we have calculated the electromagnetic fluctuation induced forces on a free standing metallic film in vacuum as a function of the film size and the plasma frequency. The force for…

Quantum Physics · Physics 2009-11-13 Andrea Benassi , Carlo Calandra

The material eroded from the surface of plasma facing components is redeposited partly close to high heat flux areas. At these locations, the deposit is heated by the plasma and the deposition pattern evolves depending on the operation…

Instrumentation and Detectors · Physics 2020-10-14 R Mitteau , J Spruytte , S Vallet , J Travère , D Guilhem , C Brosset

Detecting electronic hot spots is important for understanding the heat dissipation and thermal management of electronic and semiconductor devices. Optical thermoreflective imaging is being used to perform precise temporal and spatial…

Due to critical environmental issues there is a pressing need to switch from current refrigeration methods based on compression of greenhouse gases to novel solid-state cooling technologies. Solid-state cooling capitalizes on the thermal…

Materials Science · Physics 2022-08-11 Claudio Cazorla

We summarized the room-temperature optical properties for infrared-transparent materials, defining transparency windows for two different applications: thin-film coatings (absorption coefficient $\alpha < 10 cm^{-1}$) and windows ($\alpha <…

Optics · Physics 2026-05-29 Jin-Woo Cho , Tanuj Kumar , Hongyan Mei , Mikhail A. Kats

In order to find a highly efficient, environment-friendly magnetic refrigerant, direct measurements of the adiabatic temperature change $\Delta T_{adb}$ is required. Here, in this work, a simple setup for the $\Delta T_{adb}$ measurement is…

Materials Science · Physics 2023-07-04 Sagar Ghorai , Daniel Hedlund , Martin Kapuscinski , Peter Svedlindh

This study focuses on experimentally measuring temperature-dependent diffuse reflectance in the near- and mid-infrared spectra for ceramic particles with applications as heat-transfer and thermal-storage media in concentrated solar power…

Materials Science · Physics 2024-01-23 J. Michael Mayer , James A. Abraham , Bryan Kinzer , Rohini Bala Chandran

Infrared (IR) imaging has become a viable tool for visualizing various chemical bonds in a specimen. The performance, however, is limited in terms of spatial resolution and imaging speed. Here, instead of measuring the loss of the IR beam,…

Optics · Physics 2018-11-20 Yeran Bai , Delong Zhang , Lu Lan , Yimin Huang , Kerry Maize , Ali Shakouri , Ji-Xin Cheng

The photo-thermal transfer function from absorbed power incident on a dielectric mirror to the effective mirror position is calculated using the coating design as input. The effect is found to change in amplitude and sign for frequencies…

Optics · Physics 2015-06-23 Stefan W. Ballmer

Hand hygiene has long been promoted as the most effective way to prevent the transmission of infection. However, due to the low compliance and quality of hand hygiene reported in previous studies, constant monitoring of healthcare workers'…

Human-Computer Interaction · Computer Science 2023-02-07 Chaofan Wang , Weiwei Jiang , Kangning Yang , Zhanna Sarsenbayeva , Benjamin Tag , Tilman Dingler , Jorge Goncalves , Vassilis Kostakos

Based on the digitized electron micrographs, we investigate a temperature evolution of Co/C film. The simple in usage quantitative characterization of the spatial disorder for systems of point objects has been employed. We show that a…

Materials Science · Physics 2007-05-23 Z. Garncarek , T. Majcherczyk , D. Potoczna-Petru , R. Piasecki

Despite being regarded as a well-established field, temperature measurement continues to pose significant challenges for many professionals in the metrology industry. Thermal imagers enable fast, non-contact and a full field measurement,…

Instrumentation and Detectors · Physics 2023-02-13 Jamie Luke McMillan