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We have developed a new micro-fabricated platform for the measurement of the specific heat of low heat capacity mg-sized metallic samples, such as superconductors, down to temperatures of as low as $10\,\mathrm{mK}$. It addresses…

Instrumentation and Detectors · Physics 2020-03-24 Andreas Reifenberger , Andreas Reiser , Sebastian Kempf , Andreas Fleischmann , Christian Enss

A simple and low cost apparatus has been designed and built to measure the electrical resistivity, ($\rho$), of metal and semiconductors in 300-620 K temperature range. The present design is suitable to do measurement on rectangular bar…

General Physics · Physics 2017-04-14 Saurabh Singh , Sudhir K. Pandey

X-ray calorimetric sample platforms combining specific heat and synchrotron x-ray measurements provide a powerful means to investigate fundamental material properties. Calorimeter cell designs featuring a compact heater and thermometer…

Instrumentation and Detectors · Physics 2026-02-02 U. Patel , H. Zheng , J. L. McChesney , U. Welp , Z. Islam , A. Miceli

A differential, membrane-based nanocalorimeter for general specific heat studies of very small samples, ranging from 0.5 mg to sub-{\mu}g in mass, is described. The calorimeter operates over the temperature range from above room temperature…

Instrumentation and Detectors · Physics 2012-08-20 S. Tagliati , V. M. Krasnov , A. Rydh

A simple apparatus for the measurement of Seebeck coefficient ($\alpha$) in the temperature range 300-620 K has been fabricated. Our design is appropriate for the characterization of samples with different geometries like disk and rod…

Instrumentation and Detectors · Physics 2017-04-25 Saurabh Singh , Sudhir K. Pandey

We describe a compact calorimeter that opens ultra-low temperature heat capacity studies of small metal crystals in moderate magnetic fields. The performance is demonstrated on the canonical heavy Fermion metal YbRh2Si2. Thermometry is…

Instrumentation and Detectors · Physics 2024-07-02 Jan Knapp , Lev V. Levitin , Ján Nyéki , Manuel Brando , John Saunders

We describe the design, construction, calibration, and operation of a relatively simple differential capacitive dilatometer suitable for measurements of thermal expansion and magnetostriction from 300 K to below 1 K with a low-temperature…

This is the report on new development of an automated precision load-based measurement setup for thermoelectric power of different types of samples in the temperature range 5 - 330 K. The problems in the old spring-based setup have been…

Applied Physics · Physics 2019-03-12 Tarachand , Monika Saxena , Bodhoday Mukherjee , Gunadhor S. Okram

Recent developments of the AC-calorimetric technique adapted for the needs of high pressure experiments are discussed. A semi-quantitative measurement of the specific heat with a Bridgman-type of pressure cell as well as a diamond anvil…

Strongly Correlated Electrons · Physics 2015-06-24 Heribert Wilhelm

This paper deals with an analytical modeling of heat transfers simulating a new radiation calorimeter operating in a temperature range from -50 {\deg}C to 150 {\deg}C. The aim of this modeling is the evaluation of the feasibility and…

Instrumentation and Detectors · Physics 2016-01-11 Elysée Obame Ndong , Olivier Gallot-Lavallée , Frédéric Aitken

In this work, we report the fabrication of fully automated experimental setup for high temperature Seebeck coefficient ({\alpha}) measurement. The K-type thermocouples are used to measure the average temperature of the sample and Seebeck…

Instrumentation and Detectors · Physics 2017-04-28 Ashutosh Patel , Sudhir K. Pandey

A commercially available calorimeter has been used to investigate the specific heat of a high-quality \kn\ single crystal. The addenda heat capacity of the calorimeter is determined in the temperature range $0.02 \, \mathrm{K} \leq T \leq…

In this work, we report the fabrication of a high temperature measurement setup to measure Figure of merit (ZT). This setup facilitates the simultaneous measurement of Seebeck coefficient ({\alpha}), thermal conductivity (\kappa), and…

Instrumentation and Detectors · Physics 2018-01-09 Ashutosh Patel , Sudhir K. Pandey

A specific heat measuring instrument, with the capacity for the application of magnetic fields up to 9 Tesla, resorting to microcalorimetry chips from the company Xensor Integration, has been successfully assembled and its functioning…

Instrumentation and Detectors · Physics 2013-03-20 J. V. Leitao , P. van Dommelen , F. Naastepad , E. Brück

We report experimental demonstration of the feasibility of reaching temperatures below 1 mK using cryogen-free technology. Our prototype system comprises an adiabatic nuclear demagnetisation stage, based on hyperfine-enhanced nuclear…

Instrumentation and Detectors · Physics 2015-06-16 Graham Batey , Andrew Casey , Michael Cuthbert , Anthony Matthews , John Saunders , Aya Shibahara

A cryogenic quantum dot thermometer is calibrated and operated using only a single non-galvanic gate connection. The thermometer is probed with radio-frequency reflectometry and calibrated by fitting a physical model to the phase of the…

Mesoscale and Nanoscale Physics · Physics 2021-03-24 J. M. A. Chawner , S. Barraud , M. F. Gonzalez-Zalba , S. Holt , E. A. Laird , Yu. A. Pashkin , J. R. Prance

Heat capacity measurements under high pressure places high demands on the calorimeter. Here we describe the development of a miniaturized nanocalorimeter for high-pressure heat capacity measurements at low temperature. The device,…

Instrumentation and Detectors · Physics 2025-01-30 Neha Kondedan , Andreas Rydh

In the described device, the thermal emissivity or absorptivity of the sample is measured by substitution of the radiative heat flow between two parallel surfaces by thermal output of a heater. Fast measurements of the mutual emissivity for…

Instrumentation and Detectors · Physics 2016-10-05 Tomas Kralik , Pavel Hanzelka , Vera Musilova , Ales Srnka

Broadband seismometers are widely used in global observation networks deployed for geophysics research. Recently, the calibration of their sensitivity has become an important factor for ensuring observation accuracy. One of the limiting…

Geophysics · Physics 2026-03-03 Tomofumi Shimoda , Wataru Kokuyama , Hideaki Nozato

Reflection measurements give access to the complex impedance of a material on a wide frequency range. This is of interest to study the dynamical properties of various materials, for instance disordered superconductors. However reflection…

Instrumentation and Detectors · Physics 2015-06-17 P. Diener , F. Couëdo , C. Marrache-Kikuchi , M. Aprili , J. Gabelli
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