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Temperature sensors with micro- and nanoscale spatial resolution have long been explored for their potential to investigate the details of physical systems at an unprecedented scale. In particular, the rapid miniaturization of transistor…

Thermal transport in nanostructures plays a critical role in modern technologies. As devices shrink, techniques that can measure thermal properties at nanometer and nanosecond scales are increasingly needed to capture transient,…

The ability to probe nanoscale heat flow in a material is often limited by lack of spatial resolution. Here, we use a diamond-nanocrystal-hosted nitrogen-vacancy centre attached to the apex of a silicon thermal tip as a local temperature…

Mesoscale and Nanoscale Physics · Physics 2015-11-24 Abdelghani Laraoui , Halley Aycock-Rizzo , Yang Gao , Xi Lu , Elisa Riedo , Carlos A. Meriles

The transition of materials and devices to nanometer, atomic, and quantum scales makes thermal characterization increasingly challenging, driving the need for advanced nanoscale thermometry. Fluorescence nanothermometry has emerged as a…

Advances in scanning tunneling spectroscopy reveal the presence of superconducting nanoregions well past the bulk thermal transition in strongly disordered superconductors. We use a Monte Carlo tool to capture the spatially differentiated…

Strongly Correlated Electrons · Physics 2014-06-23 Sabyasachi Tarat , Pinaki Majumdar

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…

Understanding heat transport is relevant to develop efficient strategies for thermal management in microelectronics for instance, as well as for fundamental science purposes. However, measuring temperatures in nanostructured environments…

We use simultaneous electronic transport and optical characterization measurements to reveal new information about electronic and optical processes in nanoscale junctions fabricated by electromigration. Comparing electronic tunneling and…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Douglas Natelson , Daniel R. Ward , Falco Hüser , Fabian Pauly , Juan Carlos Cuevas , David A. Corley , James M. Tour

Quantifying the temperature of microdevices is critical for probing nanoscale energy transport.Such quantification is often accomplished by integrating resistance thermometers into microdevices. However, such thermometers frequently become…

Mesoscale and Nanoscale Physics · Physics 2021-05-05 Amin Reihani , Shen Yan , Yuxuan Luan , Rohith Mittapally , Edgar Meyhofer , Pramod Reddy

Temperature is a fundamental parameter in the study of physical phenomena. At the nanoscale, local temperature differences can be harnessed to design novel thermal nanoelectronic devices or test quantum thermodynamical concepts. Determining…

Mesoscale and Nanoscale Physics · Physics 2021-05-26 Imtiaz Ahmed , Anasua Chatterjee , Sylvain Barraud , John J. L. Morton , James A. Haigh , M. Fernando Gonzalez-Zalba

The accurate determination of electronic temperatures in metallic nanostructures is essential for many technological applications, like plasmon-enhanced catalysis or lithographic nanofabrication procedures. In this Letter we demonstrate…

Motivated by the recent development of fast and ultra-sensitive thermometry in nanoscale systems, we investigate quantum calorimetric detection of individual heat pulses in the sub-meV energy range. We propose a hybrid superconducting…

Mesoscale and Nanoscale Physics · Physics 2018-11-28 F. Brange , P. Samuelsson , B. Karimi , J. P. Pekola

Scanning thermal microscopy (SThM) - a type of scanning probe microscopy that allows mapping thermal transport and temperatures in nanoscale devices, is becoming a key approach that may help to resolve heat dissipation problems in modern…

Mesoscale and Nanoscale Physics · Physics 2013-09-10 Maria Timofeeva , Alexey Bolshakov , Peter D. Tovee , Dagou A. Zeze , Vladimir G. Dubrovskii , Oleg V. Kolosov

The microelectronics industry is pushing the fundamental limit on the physical size of individual elements to produce faster and more powerful integrated chips. These chips have nanoscale features that dissipate power resulting in nanoscale…

Applied Physics · Physics 2020-11-23 Qilong Cheng , Sukumar Rajauria , Erhard Schreck , Robert Smith , Na Wang , Jim Reiner , Qing Dai , David Bogy

Controlling the temperature in architectures involving nanoparticles and substrates is a key issue for applications involving micro and nanoscale heat transfer. We study the thermal behavior of a single nanoparticle interacting with a flat…

Optics · Physics 2017-03-03 Houssem Kallel , Rémi Carminati , Karl Joulain

Nanoscale engineering and novel materials have created interesting effects in thermal transport. Thermal conductivity can now be different due to physical and heating sizes. Also, highly anisotropic thermal conductivity can result from…

Materials Science · Physics 2019-03-08 Ding Ding , Kedar Hippalgaonkar

Sensitive probing of temperature variations on nanometer scales represents an outstanding challenge in many areas of modern science and technology. In particular, a thermometer capable of sub-degree temperature resolution as well as…

Quantum Physics · Physics 2013-08-06 G. Kucsko , P. C. Maurer , N. Y. Yao , M. Kubo , H. J. Noh , P. K. Lo , H. Park , M. D. Lukin

Recent progress in the synthesis and processing of nano-structured materials and systems calls for an improved understanding of thermal properties on small length scales. In this context, the question whether thermodynamics and, in…

Materials Science · Physics 2007-05-23 M. Hartmann , G. Mahler , O. Hess

The measurement of temperature with nanoscale spatial resolution is an emerging new technology and it has important impact in various fields. An ideal nanothermometer should not only be accurate, but also applicable over a wide temperature…

Mesoscale and Nanoscale Physics · Physics 2018-11-14 Liselotte Jauffred

In the last two decades, a nanostructuring paradigm has been successfully applied in a wide range of thermoelectric materials, resulting in significant reduction in thermal conductivity and superior thermoelectric performance. These…

Materials Science · Physics 2017-09-20 Ehsan Nasr Esfahani , Feiyue Ma , Shanyu Wang , Yun Ou , Jihui Yang , Jiangyu Li
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