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We investigate the thermodynamic properties of a two-dimensional d-wave superconductor in the vortex state using a semiclassical approach, and argue that such an approach is valid for the analysis of the experimental data on…

Superconductivity · Physics 2009-10-31 I. Vekhter , P. J. Hirschfeld , E. J. Nicol

Nanomagnetic hyperthermia (NMH) is intensively studied with the prospect of cancer therapy. A major challenge is to determine the dissipated power during in vivo conditions and conventional methods are either invasive or inaccurate. We…

Medical Physics · Physics 2018-08-27 I. Gresits , Gy. Thuróczy , O. Sági , B. Gyüre-Garami , B. G. Márkus , F. Simon

Micromagnetic simulation results on dynamic hysteresis loops of clusters of iron oxide nanoparticles (NPs) with internal structure composed of nanorods are compared with the widely used macrospin approximation. Such calculations allowing…

Materials Science · Physics 2022-09-02 Razyeh Behbahani , Martin L. Plumer , Ivan Saika-Voivod

The appeal of lasers can be attributed to both their ubiquitous applications and their role as model systems for elucidating nonequilibrium and cooperative phenomena. Introducing novel concepts in lasers thus has a potential for both…

Mesoscale and Nanoscale Physics · Physics 2019-04-15 Markus Lindemann , Gaofeng Xu , Tobias Pusch , Rainer Michalzik , Martin R. Hofmann , Igor Žutić , Nils C. Gerhardt

We have investigated the spatial distribution of the electron temperature generated in a two-dimensional electron system (2DES) subjected to a perpendicular magnetic field. We measure thermoelectric voltages between Ohmic contacts located…

Mesoscale and Nanoscale Physics · Physics 2019-05-09 Akira Endo , Kazuhiro Fujita , Shingo Katsumoto , Yasuhiro Iye

Magnetic nanoparticles offer unique potential for various technological, biomedical, or environmental applications thanks to the size-, shape- and material-dependent tunability of their magnetic properties. To optimize particles for a…

Which sizes of nanoparticles embedded in a crystalline solid yield the lowest thermal conductivity? Nanoparticles have long been demonstrated to reduce the thermal conductivity of crystals by scattering phonons, but most previous works…

Materials Science · Physics 2015-02-17 Hang Zhang , Austin J. Minnich

In this work, we present two types of microfluidic chips involving magnetic nanoparticles dispersed in cyclohexane with oleic acid. In the first case, the hydrophobically coated nanoparticles are self-assembled with an amphiphilic diblock…

We consider a model of a nanocomposite based on non-interacting spherical single-domain ferroelectric nanoparticles of various sizes embedded in a dielectric matrix. The size distribution function of these nanoparticles is selected as a…

Mesoscale and Nanoscale Physics · Physics 2020-04-24 Hanna V. Shevliakova , Anna N. Morozovska , Nicholas V. Morozosky , George S. Svechnikov , Vladimir V. Shvartsman

Heat transfer from irradiated metallic nanoparticles is relevant to a broad array of applications ranging from water desalination to photoacoustics. The efficacy of such processes relies on the ability of these nanoparticles to absorb the…

Materials Science · Physics 2020-03-18 Ali Alkurdi , Julien Lombard , Francois Detcheverry , Samy Merabia

(abridged) We present a new determination of the local temperature function of X-ray clusters. We use a new sample comprising fifty clusters for which temperature information is now available, making it the largest complete sample of its…

Astrophysics · Physics 2007-05-23 A. Blanchard , R. Sadat , J. G. Bartlett , M. Le Dour

We demonstrate plasma discharges with extremely high temperature of bulk electrons at the large axially symmetric magnetic mirror device GDT (Budker Institute, Novosibirsk). According to Thomson scattering measurements, the on-axis electron…

Non-polar magnetic nanoparticles agglomerate upon cooling. This process is followed by in-situ small angle X-ray scattering to assess structural properties of the emerging agglomerates. On the length scale of a few particle diameters, no…

Soft Condensed Matter · Physics 2020-11-30 Christian Appel , Björn Kuttich , Tobias Kraus , Bernd Stühn

We investigate the radiative heat transfer and spatial distributions of stationary temperatures in periodic many-body systems composed of alternating slabs of two different materials. We show that temperature distributions exhibit an…

Optics · Physics 2023-06-27 Ming-Jian He , Xue Guo , Hong Qi , Ivan Latella , He-Ping Tan

The purpose of this paper is to study the thermodynamic equilibrium properties of a collection of non-interacting three-dimensional (3D) magnetically anisotropic nanoparticles in the light of classical statistical physics. Pertaining to the…

Statistical Mechanics · Physics 2011-12-20 Malay Bandyopadhyay

Almost regular hexagonal arrays of a few micrometers tall and wide micropyramids consisting of soot nano-particles are formed on the surface of graphitized hollow filaments, which are resistively heated to ~1800$^\circ$C-2400$^\circ$C in an…

Magnetocaloric materials are typically limited by a trade-off between magnetic entropy and field responsiveness. Here we show that magnetic polarons provide an intermediate regime that mitigates this constraint and enables an exceptional…

Materials Science · Physics 2026-04-22 Joshua Ancheta , Caeli Benyacko , Fanghao Zhang , Stephen D. Wilson , Bolin Liao

The role of particle size distribution inherently present in magnetic nanoparticles (NPs) is examined in considerable detail in relation to the measured magnetic properties of oleic acid-coated maghemite ({\gamma}-Fe$_2$O$_3$) NPs.…

Materials Science · Physics 2015-10-29 Kelly L. Pisane , Emily C. Despeaux , Mohindar S. Seehra

Current thermometry techniques lack the spatial resolution required to see the temperature gradients in typical, highly-scaled modern transistors. As a step toward addressing this problem, we have measured the temperature dependence of the…

Mesoscale and Nanoscale Physics · Physics 2018-01-17 Matthew Mecklenburg , Brian Zutter , B. C. Regan

Systematically magnetic and magnetothermal measurements at temperatures down to 2 K and magnetic fields up to 13.5 Tesla for Gd(OH)3 Single Crystal Nanowires - Quasi-1D Large Spin (S = -7/2) Chain Antiferromagnet have been conducted. We…

Materials Science · Physics 2012-07-16 R. Zeng , C. F. Zhang , J. C. Debnath , P. Shamba , J. L. Wang , Z. X. Chen , Z. P. Guo , S. X. Dou