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Silicon photonic ring resonator thermometers have been shown to provide temperature measurements with a 10 mK accuracy. In this work we identify and quantify the intrinsic on-chip impairments that may limit further improvement in…

We have extended the range of the high-pressure optical spectroscopy to the far-infrared region keeping the accuracy of ambient-pressure experiments. The newly-developed method offers a powerful tool for the study of pressure-induced phase…

Strongly Correlated Electrons · Physics 2014-01-15 I. Kezsmarki , R. Gaal , C. C. Homes , B. Sipos , H. Berger , S. Bordacs , G. Mihaly , L. Forro

The paper describes a method for measuring the thermal diffusivity of materials having a high thermal conductivity. The apparatus is rather simple and low-cost, being therefore suitable in a laboratory for undergraduate students of…

Physics Education · Physics 2014-01-15 Amelia Carolina Sparavigna

We report a detailed scaling analysis of resistivity \rho(T,n) measured for several high-mobility 2D electron systems in the vicinity of the 2D metal-insulator transition. We analyzed the data using the two parameter scaling approach and…

Strongly Correlated Electrons · Physics 2013-03-08 D. A. Knyazev , O. E. Omel'yanovskii , V. M. Pudalov , I. S. Burmistrov

We present microwave frequency measurements of the dynamic admittance of a quantum dot tunnel coupled to a two-dimensional electron gas. The measurements are made via a high-quality 6.75 GHz on-chip resonator capacitively coupled to the…

Mesoscale and Nanoscale Physics · Physics 2012-10-04 T. Frey , P. J. Leek , M. Beck , J. Faist , A. Wallraff , K. Ensslin , T. Ihn , M. Büttiker

Quantum sensing using local defects in solid-state systems has gained significant attention over the past several years, with impressive results demonstrated both in Academia and in Industry. Specifically, employing large volume and high…

Quantum Physics · Physics 2023-09-21 Yachel Ben-Shalom , Amir Hen , Nir Bar-Gill

Neutron resonance spectrometry (NRS) has been used to measure the temperature inside Mo samples during shock loading. The temperatures obtained were significantly higher than predicted assuming ideal hydrodynamic loading. The effect of…

Other Condensed Matter · Physics 2008-03-06 Damian C. Swift , Achim Seifter , David B. Holtkamp , Vincent W. Yuan , David Bowman , David A. Clark

The recently discovered ferroelectric nematic liquid crystals have been reported to exhibit very large dielectric permittivity values. Here, we report a systematic investigation of the dielectric behavior of a prototypical ferroelectric…

Soft Condensed Matter · Physics 2024-02-05 Aitor Erkoreka , Josu Martinez-Perdiguero , Richard J. Mandle , Alenka Mertelj , Nerea Sebastián

Micro-mechanical resonator performance is fundamentally limited by the coupling to a thermal environment. The magnitude of this thermodynamical effect is typically considered in accordance with a physical temperature, assumed to be uniform…

Mesoscale and Nanoscale Physics · Physics 2023-05-10 Ravid Shaniv , Chris Reetz , Cindy A. Regal

The precision of compact inertial sensing schemes using trapped- and guided-atom interferometers has been limited by uncontrolled phase errors caused by trapping potentials and interactions. Here, we propose an acoustic interferometer that…

Quantum Gases · Physics 2015-01-27 G. Edward Marti , Ryan Olf , Dan M. Stamper-Kurn

Studying thermal transport at the nanoscale poses formidable experimental challenges due both to the physics of the measurement process and to the issues of accuracy and reproducibility. The laser-induced transient thermal grating (TTG)…

High permittivity SrTiO3 for the realization of all-dielectric metamaterials operating at terahertz frequencies was fabricated. A comparison of different processing routes evidences that Spark Plasma Sintering is the most effective…

A new type of quartz resonance device for measurements of oscillations of the contact potential difference induced by modulated light is described. Special attention is devoted to the compensation of the constructive capacitance of the…

Instrumentation and Detectors · Physics 2015-02-26 Vasil G. Yordanov , Todor M. Mishonov

We measure the thermal time constants of suspended single layer molybdenum disulfide drums by their thermomechanical response to a high-frequency modulated laser. From this measurement the thermal diffusivity of single layer MoS$_2$ is…

Mesoscale and Nanoscale Physics · Physics 2018-12-05 Robin J. Dolleman , David Lloyd , J. Scott Bunch , Herre S. J. van der Zant , Peter G. Steeneken

In this paper, an electromagnetic sensor which can operate simultaneously in capacitive and inductive modalities with sensitivities to permittivity, conductivity, and permeability is developed, and a novel measurement strategy is proposed…

Signal Processing · Electrical Eng. & Systems 2019-05-30 Jorge R. Salas Avila , Kin Yau How , Mingyang Lu , Wuliang Yin

Controlling the temperature distribution inside catalytic fixed bed reactors is crucial for yield optimization and process stability. Yet, in situ temperature measurements with spatial and temporal resolution are still challenging. In this…

The remarkable properties of toroidal metasurfaces, featuring ultrahigh-Q bound states in the continuum (BIC) resonances and nonradiating anapole modes, have garnered significant attention. The active manipulation of quasi-BIC resonance…

Limited sensitivity and sensing range are arguably the greatest challenges in microwave sensor design. Recent attempts to improve these properties have relied on metamaterial- (MTM-) inspired open-loop resonators (OLRs) coupled to…

Applied Physics · Physics 2018-10-01 Mohammad Abdolrazzaghi , Mojgan Daneshmand , Ashwin K. Iyer

We studied noise properties of microwave signals transmitted through the cryogenic resonator. The experiments were performed with the 11.342 GHz sapphire loaded cavity resonator cooled to 6.2 K. Based on the measured transmission…

Instrumentation and Detectors · Physics 2021-02-23 Eugene Ivanov , Michael Tobar

Noble gas permeabilities and diffusivities of Kapton, butyl, nylon, and "Silver Shield" are measured at temperatures between 22C and 115C. The breakthrough times and solubilities at 22C are also determined. The relationship of the room…

Instrumentation and Detectors · Physics 2015-05-14 Steven J. Schowalter , Colin B. Connolly , John M. Doyle
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