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We describe an AC method for the measurement of the longitudinal (Sxx) and transverse (Sxy, i.e. Nernst) thermopower of mm-size single crystal samples at low temperatures (T<1 K) and high magnetic fields (B>30 T). A low-frequency (33 mHz)…

Instrumentation and Detectors · Physics 2009-11-06 E. S. Choi , J. S. Brooks , J. S. Qualls , Y. S. Song

We demonstrate a method to locally control the temperature of photonic crystal devices via micron-scale electrical heaters. The method is used to control the resonant frequency of InAs quantum dots strongly coupled to GaAs photonic crystal…

Optics · Physics 2009-04-28 Andrei Faraon , Jelena Vuckovic

There is a great interest in the scientific community to perform calorimetry on samples having mass in the nanogram range. A detailed knowledge of the energy (heat) exchange in the fast growing family of micro- and nano-systems could…

Applied Physics · Physics 2021-12-02 S. Veronesi , T. Papa , Y. Murata , S. Heun

We introduce a nanocalorimetric technique based on microsecond-pulsed heating (\mu s-PHnC) that enables high-sensitivity, quasi-isothermal heat capacity measurements on nanoscale samples. Such resolution is critical for exploring…

When a charge current is applied to a junction comprising two different conductors, its temperature increases or decreases depending on the direction of the charge current. This phenomenon is called the Peltier effect, which is used in…

Mesoscale and Nanoscale Physics · Physics 2016-12-30 Shunsuke Daimon , Ryo Iguchi , Tomosato Hioki , Eiji Saitoh , Ken-ichi Uchida

A detailed description of an isoperibol calorimeter for temperatures between 0.05 and 4 K is presented. The proposed setup can provide absolute values of the heat capacity $C$ of small samples (typically 1 mg). The extremely simple design…

Instrumentation and Detectors · Physics 2012-02-13 M. Brando

In the present work we study, both theoretically and experimentally, the temperature increase in a bulk high-temperature superconductor subjected to applied AC magnetic fields of large amplitude. We calculate analytically the equilibrium…

Superconductivity · Physics 2015-05-18 P Vanderbemden , P Laurent , J-F Fagnard , M Ausloos , N Hari Babu , D A Cardwell

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

High-precision low-temperature thermometry is a challenge for experimental quantum physics and quantum sensing. Here we consider a thermometer modelled by a dynamically-controlled multilevel quantum probe in contact with a bath. Dynamical…

Quantum Physics · Physics 2019-12-17 Victor Mukherjee , Analia Zwick , Arnab Ghosh , Xi Chen , Gershon Kurizki

Active thermal control is crucial in achieving the required accuracy and throughput in many industrial applications, e.g., in the medical industry, high-power lighting industry, and semiconductor industry. Thermoelectric Modules (TEMs) can…

Systems and Control · Electrical Eng. & Systems 2020-06-19 Enzo Evers , Rens Slenders , Rob van Gils , Tom Oomen

We present a thermal rectification device concept based on far-field radiative exchange between two selective emitters. Rectification is achieved due to the fact that one of the selective emitters radiative properties are independent on…

Mesoscale and Nanoscale Physics · Physics 2014-07-14 Elyes Nefzaoui , Jérémie Drevillon , Younès Ezzahri , Karl Joulain

A novel approach to calibrate the sensitivity of a differential thermometer, consisting of several thermocouples connected in series (thermopile), has been developed. The goal of this method is to increase the accuracy of small temperature…

Instrumentation and Detectors · Physics 2020-12-24 Tim Prangemeier , Iman Nejati , Andreas Müller , Philip Endres , Mario Fratzl , Mathias Dietzel

Cooling nanoelectronic devices below 10 mK is a great challenge since thermal conductivities become very small, thus creating a pronounced sensitivity to heat leaks. Here, we overcome these difficulties by using adiabatic demagnetization of…

Mesoscale and Nanoscale Physics · Physics 2018-01-18 M. Palma , C. P. Scheller , D. Maradan , A. V. Feshchenko , M. Meschke , D. M. Zumbühl

We report highly sensitive specific heat measurement on mesoscopic superconducting loops at low temperature. These mesoscopic systems exhibit thermal properties significantly different from that of the bulk materials. The measurement is…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 O. Bourgeois , F. Ong , S. E. Skipetrov , J. Chaussy

The specific heat C of Ce_{0.8}La_{0.2}Al_{3} has been measured as a function of temperature T in magnetic fields up to 14 T. A large peak in C at 2.3 K has recently been ascribed to an anisotropic Kondo effect in this compound. A 14-T…

Strongly Correlated Electrons · Physics 2009-10-31 R. Pietri , K. Ingersent , B. Andraka

Cellular metabolic rate is a good indicator of the physiological state of cells and its changes, which can be measured by total heat flux accompanying metabolism. Chip calorimeters can provide label-free and high throughput measurements of…

Biological Physics · Physics 2019-03-13 Jihye Kim , Sumin Seo , Jonghyun Kim , Sungmin Nam , Wonhee Lee

Understanding microstructural evolution under extreme thermal conditions is essential for advancing metal additive manufacturing (AM). This work demonstrates the feasibility of employing micro-electro-mechanical system (MEMS) heating…

Materials Science · Physics 2026-01-12 C. Koenig , P. Mayr , J. R. Jinschek , A. Bastos Fanta

The coupled transport of charge and heat provide fundamental insights into the microscopic thermodynamics and kinetics of materials. We describe a sensitive ac differential resistance bridge that enables measurements of the temperature…

Materials Science · Physics 2023-12-13 Zhe Cheng , Yu-Ju Huang , Beniamin Zahiri , Patrick Kwon , Paul V. Braun , David G. Cahill

We describe a low-cost and simple setup for hyperthermia measurements on colloidal solutions of magnetic nanoparticles (ferrofluids) with a frequency-adjustable magnetic field in the range 5-500 kHz produced by an electromagnet. By…

Materials Science · Physics 2008-10-09 L. -M. Lacroix , J. Carrey , M. Respaud

A superconductor with a gap in the density of states or a quantum dot with discrete energy levels is a central building block in realizing an electronic on-chip cooler. They can work as energy filters, allowing only hot quasiparticles to…

Mesoscale and Nanoscale Physics · Physics 2012-03-26 Juha T. Muhonen , Matthias Meschke , Jukka P. Pekola