English
Related papers

Related papers: Non-calorimetric determination of absorbed power d…

200 papers

Absorbed power of nanoparticles during magnetic hyperthermia can be well determined from changes in the quality factor ($Q$ factor) of a resonator, in which the radiofrequency (RF) absorbent is placed. We present an order of magnitude…

Applied Physics · Physics 2019-07-17 I. Gresits , Gy. Thuróczy , O. Sági , I. Homolya , G. Bagaméry , D. Gajári , M. Babos , P. Major , B. G. Márkus , F. Simon

Low-loss nanophotonic resonators have been widely used in fundamental science and applications thanks to their ability to concentrate optical energy. Key for resonator engineering, the total intrinsic loss is easily determined by…

Optics · Physics 2021-02-23 Mingkang Wang , Diego J. Perez-Morelo , Vladimir Aksyuk

Magnetic nanoparticle based hyperthermia emerged as a potential tool for treating malignant tumours. The efficiency of the method relies on the knowledge of magnetic properties of the samples; in particular, knowledge of the frequency…

In this paper, the calorimetric power measurement method for electron cyclotron resonance heating system on EAST are presented. This method requires measurement of the water flow through the cooling circuits and the input and output water…

Plasma Physics · Physics 2017-08-22 Weiye Xu , Handong Xu , Fukun Liu , Jian Wang , Xiaojie Wang , Yongzhong Hou

We present two variants of a magnetic microcalorimeter with paramagnetic temperature sensors and integrated dc-SQUID readout for high-resolution X-ray emission spectroscopy. Each variant employs two overhanging gold absorbers with a…

Instrumentation and Detectors · Physics 2024-01-24 Matthäus Krantz , Francesco Toschi , Benedikt Maier , Greta Heine , Christian Enss , Sebastian Kempf

In the 21st century, new and alternative non-radioactive methods for cancer treatment have been developed. One of this is magnetic hyperthermia (MH), which is based on the ability of magnetic nanoparticles (MNP) to transduce electromagnetic…

Medical Physics · Physics 2020-07-28 Christian Calvache , Jenny Mera-Córdoba , Diego F. Coral

The averaged absorbed power density (APD) and temperature rise in body models with nonplanar surfaces were computed for electromagnetic exposure above 6 GHz. Different calculation schemes for the averaged APD were investigated.…

Computational Physics · Physics 2020-12-30 Yinliang Diao , Essam A. Rashed , Akimasa Hirata

Energy harvesting is a modern concept which makes dissipated heat useful by transferring thermal energy to other excitations. Most of the existing principles for energy harvesting are realized in systems which are heated continuously, for…

We investigate the magnetic nanoparticles (fluid) hyperthermia in non-adiabatic conditions through the calorimetric method. Specifically, we propose a theoretical approach to magnetic hyperthermia from a thermodynamic point of view. To test…

In nanomechanical photothermal absorption spectroscopy and microscopy, the measured substance becomes a part of the detection system itself, inducing a nanomechanical resonance frequency shift upon thermal relaxation. Suspended,…

Instrumentation and Detectors · Physics 2023-06-30 Robert G. West , Kostas Kanellopulos , Silvan Schmid

Specific heat is a powerful probe offering insights into the entropy and excitation spectrum of the studied material. While it is well established, a key challenge remains the measurements of microcrystals or thin films especially in the…

Strongly Correlated Electrons · Physics 2025-07-16 Mari C. Cole , Maximilian T. Pelly , Craig V. Topping , Thomas Reindl , Ulrike Waizmann , Jürgan Weis , Andreas W. Rost

Energy dissipation is a fundamental process governing the dynamics of physical, chemical, and biological systems. It is also one of the main characteristics distinguishing quantum and classical phenomena. In condensed matter physics, in…

Nanomechanical resonators made from van der Waals materials (vdW NMRs) provide a new tool for sensing absorbed laser power. The photothermal response of vdW NMRs, quantified from the resonant frequency shifts induced by optical absorption,…

Uncooled InfraRed (IR) detectors have enabled the rapid growth of thermal imaging applications. These detectors are predominantly bolometers, where the heating of pixel from incoming IR radiation is read out as a resistance change. Another…

Instrumentation and Detectors · Physics 2019-10-23 Ulas Adiyan , Tom Larsen , Juan Jose Zarate , Luis Guillermo Villanueva , Herbert Shea

The design, fabrication and performance of an apparatus for the measurement of direct rf power absorption in colossal magnetoresistive (CMR) and superconducting samples are described. The system consists of a self-resonant LC tank circuit…

Superconductivity · Physics 2015-06-25 S. Sarangi , S. V. Bhat

This paper presents a novel method to estimate the power consumption of distinct active components on an electronic carrier board by using thermal imaging. The components and the board can be made of heterogeneous material such as plastic,…

Image and Video Processing · Electrical Eng. & Systems 2023-07-19 Christian Herglotz , Simon Grosche , Akarsh Bharadwaj , André Kaup

An interferometric technique is proposed for determining the spatial forms of the individual degrees of freedom through which a many body system can absorb energy from its environment. The method separates out the coherent excitations…

Quantum Physics · Physics 2017-08-30 S. Withington , C. N. Thomas , D. J. Goldie

In order to investigate the anomalous heat effect (AHE) in NiCu multilayer thin film, photon radiation calorimetry has been developed. Three types of photon detectors are employed to cover a wide range of wavelengths from 0.3 um to 5.5 um,…

Instrumentation and Detectors · Physics 2024-10-01 J. Kasagi , T. Itoh , Y. Shibasaki , T. Takahashi , S. Yamauchi , Y. Iwamura

This paper introduces a thermal infrared detector utilizing a nano-optomechanical silicon nitride (SiN) resonator, equipped with a free-space impedance-matched (FSIM) absorber composed of a platinum (Pt) thin film, offering a broadband…

Instrumentation and Detectors · Physics 2025-05-12 Paolo Martini , Stefan Emminger , Kostas Kanellopulos , Niklas Luhmann , Markus Piller , Robert Greyson West , Silvan Schmid

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…

‹ Prev 1 2 3 10 Next ›