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When a magnetic field is applied, the mixed state of a conventional Type II superconductor gets destroyed at the upper critical field Hc2, where the normal vortex cores overlap with each other. Here, we show that in the presence weak and…

Superconductivity · Physics 2017-08-16 Rini Ganguly , Indranil Roy , Anurag Banerjee , Harkirat Singh , Amit Ghosal , Pratap Raychaudhuri

Silicon-based dielectric is crucial for many superconducting devices, including high-frequency transmission lines, filters, and resonators. Defects and contaminants in the amorphous dielectric and at the interfaces between the dielectric…

Instrumentation and Methods for Astrophysics · Physics 2023-08-09 M. Lisovenko , Z. Pan , P. S. Barry , T. Cecil , C. L. Chang , R. Gualtieri , J. Li , V. Novosad , G. Wang , V. Yefremenko

Remanent magnetization in geological samples may record the past intensity and direction of planetary magnetic fields. Traditionally, this magnetization is analyzed through measurements of the net magnetic moment of bulk millimeter to…

Many spintronic, magnetic-memory, and neuromorphic devices rely on spatially varying magnetic fields. Quantitatively imaging these fields with full vector information over extended areas remains a major challenge. Existing probes either…

Different peak trends of tiny grains carbon film have been observed under the investigations of Raman spectroscopy and energy loss spectroscopy. Carbon films known in nanocrystalline and ultra-nanocrystalline diamond films are synthesized…

Materials Science · Physics 2019-10-31 Mubarak Ali , I-Nan Lin

High-throughput X-ray magnetic circular dichroism (XMCD) spectroscopy was conducted on Fe-Co-Ni compositionally graded films to systematically analyze the variation of magnetic properties as a function of composition. On-the-fly XMCD…

Materials Science · Physics 2025-06-27 Y. Yamasaki , N. Sasabe , Y. Ishii , Y. Sekiguchi , A. Sumiyoshiya , Y. Tanimoto , Y. Kotani , T. Nakamura , H. Nomura

We present two fiberized vector magnetic-field sensors, based on nitrogen-vacancy (NV) centers in diamond. The sensors feature sub-nT/$\sqrt{\textrm{Hz}}$ magnetic sensitivity. We use commercially available components to construct sensors…

We present a method for extracting high-spatial resolution dielectric constant data at microwave frequencies. A scanning near field microwave microscope probes a sample and acquires data in the form of the frequency and quality factor…

Materials Science · Physics 2009-09-22 Shuogang Huang , H. M. Christen , M. E. Reeves

We created dense ensembles of negatively charged nitrogen-vacancy (NV-) centers in diamond by neutron and electron irradiation for applications in hybrid quantum systems and magnetometry. We characterize fluorescence intensity, optical and…

Biosensing with ferromagnet-based magnetoresistive devices has been dominated by electrical detection of particle-induced changes to the devices' static magnetic configuration. There are however potential advantages to be gained from using…

Voids adjacent to both cubic (ZnS-type) and hexagonal (NiAs-type) Mn-rich nanocrystals are characterized using aberration-corrected transmission electron microscopy in annealed Ga0.995Mn0.005As magnetic semiconductor specimen grown by…

Materials Science · Physics 2015-05-27 A. Kovacs , J. Sadowski , T. Kasama , J. Domagala , R. Mathieu , T. Dietl , 5 , R. E. Dunin-Borkowski

Magnetic Resonance Imaging (MRI) can characterize and discriminate among tissues using their diverse physical and biochemical properties. Unfortunately, submicrometer screening of biological specimens is presently not possible, mainly due…

Mesoscale and Nanoscale Physics · Physics 2010-11-03 C. A. Meriles , L. Jiang , G. Goldstein , J. S. Hodges , J. R. Maze , M. D. Lukin , P. Cappellaro

Antiferromagnetic CuMnAs thin films have attracted attention since the discovery of the manipulation of their magnetic structure via electrical, optical, and terahertz pulses of electric fields, enabling convenient approaches to the…

In search of two level quantum systems that implement a qubit, the nitrogen-vacancy (NV) center in diamond has been intensively studied for years. Despite favorable properties such as remarkable defect spin coherence times, the…

Mesoscale and Nanoscale Physics · Physics 2019-05-15 Clara Mühlherr , V. O. Shkolnikov , Guido Burkard

Nitrogen Vacancy diamond nanoparticles (NVNPs) are increasingly integrated with methods for optical detection of magnetic resonance (ODMR), providing new opportunities in magnetic characterization that span the visualization of magnetic…

An ensemble of nitrogen-vacancy (NV) centers in diamond is a fascinating candidate to realize a sensitive magnetic field sensor. In particular, since the axes of the NV centers are distributed along four directions, a collection of…

Quantum Physics · Physics 2019-02-20 Ken Yahata , Yuichiro Matsuzaki , Shiro Saito , Hideyuki Watanabe , Junko Ishi-Hayase

Nanostructured Pd-Fe thin films with varied Fe content were prepared by electrodeposition technique from organic electrolytes on Cu and brass substrates. The structure and the magnetic properties of the films were investigated prior to…

Many modern applications, including quantum computing and quantum sensing, use substrate-film interfaces. Particularly, thin films of chromium or titanium and their oxides are commonly used to bind various structures, such as resonators,…

Magnetic-domain structure and dynamics play an important role in understanding and controlling the magnetic properties of two-dimensional magnets, which are of interest to both fundamental studies and applications[1-5]. However, the probe…

High-quality (001)-oriented (pseudo-cubic notation) ferromagnetic YTiO$_3$ thin films were epitaxially synthesized in a layer-by-layer way by pulsed laser deposition. Structural, magnetic and electronic properties were characterized by…

Materials Science · Physics 2015-09-15 Yanwei Cao , P. Shafer , Xiaoran Liu , D. Meyers , M. Kareev , S. Middey , J. W. Freeland , E. Arenholz , J. Chakhalian