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We report electron-spin resonance measurements in polycrystalline samples of (Gd_{1-x}Y_{x})_2PdSi_{3}. We observe the onset of a broadening of the linewidth and of a decrease of the resonance field at approximately twice the Neel…

Strongly Correlated Electrons · Physics 2009-11-07 J. Deisenhofer , H. -A. Krug von Nidda , A. Loidl , E. V. Sampathkumaran

Using ferromagnetic-resonance spectroscopy (FMR), we investigate the anisotropic properties of epitaxial 3 nmPt/2 nmAg/10 nmFe/10 nmAg/GaAs(001) films in fully saturated meta-stable states at temperatures ranging from 70 K to 280 K. By…

We study a model for the observed phenomenon of electron spin resonance (ESR) at the Zeeman frequency as seen by a scanning tunneling microscope (STM) via its current noise. The model for this ESR-STM phenomenon allows the STM current to…

Mesoscale and Nanoscale Physics · Physics 2013-09-25 Anatoly Golub , Baruch Horovitz

We analyze the temperature dependence of the electron spin resonance linewidth above the critical region in exchange-coupled magnetic insulators. The focus is on separating the contributions to the linewidth from spin-spin interactions,…

Materials Science · Physics 2017-06-27 M. Acikgoz , D. L. Huber

We propose and implement an optical technique to access the local temperature of an erbium doped crystal by probing the electron spin population under magnetic field. We reliably extract the sample temperature in the range 2-7 K. We…

Instrumentation and Detectors · Physics 2024-11-19 Marek Zeman , Philippe Camus , Thierry Chanelière

Configuration transitions of individual molecules and atoms on surfaces are traditionally described with energy barriers and attempt rates using an Arrhenius law. This approach yields consistent energy barrier values, but also attempt rates…

Mesoscale and Nanoscale Physics · Physics 2017-03-03 Jeffrey C. Gehrig , Marcos Penedo , Manfred Parschau , Johannes Schwenk , Miguel A. Marioni , Eric W. Hudson , Hans J. Hug

Resistively detected nuclear magnetic resonance is used to measure the Knight shift of the As nuclei and determine the electron spin polarization of the fractional quantum Hall states of the second Landau level. We show that the 5/2 state…

Strongly Correlated Electrons · Physics 2015-06-03 M. Stern , B. A. Piot , Y. Vardi , V. Umansky , P. Plochocka , D. K. Maude , I. Bar-Joseph

Non-invasive measurement of absolute temperature is important for proper characterization of various pathologies and for evaluation of thermal dose during interventional procedures. The proton magnetic resonance (MR) frequency shift method…

Medical Physics · Physics 2019-05-31 Emilia Silletta , Alexej Jerschow , Guillaume Madelin , Leeor Alon

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…

On-chip Electron Spin Resonance (ESR) of magnetic molecules requires the ability to precisely position nanosized samples in antinodes of the electro-magnetic field for maximal magnetic interaction. A method is developed to entrap…

Mesoscale and Nanoscale Physics · Physics 2009-08-28 N. Groll , S. Bertaina , M. Pati , N. S. Dalal , I. Chiorescu

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,…

We present a thermometry scheme to extract the temperature of a 2DEG by monitoring the charge occupation of a weakly tunnel-coupled 'thermometer' quantum dot using a quantum point contact detector. Electronic temperatures between 97 mK and…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 A. Mavalankar , S. J. Chorley , J. Griffiths , G. A. C. Jones , I. Farrer , D. A. Ritchie , C. G. Smith

A new method for measuring the electron temperature of the plasma in GOL-NB facility is proposed. The proposed method is based on measuring the ratio of intensities of spectral lines emitted by fast atoms injected into the plasma. The beams…

Plasma Physics · Physics 2023-07-31 S. Polosatkin

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

This work describes the formalism for estimating thermonuclear reaction rates for astrophysical applications, emphasizing modern statistical approaches such as Monte-Carlo sampling and Bayesian models. We discuss related topics including…

Solar and Stellar Astrophysics · Physics 2026-03-11 Christian Iliadis , Richard Longland , Kiana Setoodehnia , Caleb Marshall , Peter Mohr , Athanasios Psaltis

A fundamental result of quantum mechanics is that the fluctuations of a bosonic field are given by its temperature $T$. An electromagnetic mode with frequency $\omega$ in the microwave band has a significant thermal photon occupation at…

We present a scanning probe microscopy technique for spatially resolving transport in cold atomic gases, in close analogy with scanning gate microscopy in semiconductor physics. The conductance of a quantum point contact connected to two…

We discuss the application of techniques of quantum estimation theory and quantum metrology to thermometry. The ultimate limit to the precision at which the temperature of a system at thermal equilibrium can be determined is related to the…

Quantum Physics · Physics 2019-05-01 Antonella De Pasquale , Thomas M. Stace

We study whether a direct measurement of the absolute temperature of a Magnetic Tunnel Junction (MTJ) can be performed using the high frequency electrical noise that it delivers under a finite voltage bias. Our method includes quasi-static…

Materials Science · Physics 2016-08-03 Adrien Le Goff , Vladimir Nikitin , Thibaut Devolder

The progress of semiconductor electronics toward ever-smaller length scales and associated higher power densities brings a need for new high-resolution thermal microscopy techniques. Traditional thermal microscopy is performed by detecting…

Materials Science · Physics 2015-05-13 Todd Brintlinger , Yi Qi , Kamal H. Baloch , David Goldhaber-Gordon , John Cumings